1.

There is a tremendous variety of products, from single-chip microcomputers costing a

few dollars to supercomputers costing tens of millions of dollars that can rightly claim
the name "computer".
a. True
b. False

2. The variety of computer products is exhibited only in cost. (Exhibited: trưng bày)
a. True
b. False

3. Computer organization refers to attributes of a system visible to the programmer.

(Attributes: thuộc tính)
a. True
b. False

4. Changes in computer technology are finally slowing down.

a. True
b. False

5. The textbook for this course is about the structure and function of computers.
a. True
b. False

6. The number of bits used to represent various data types is an example of an

architectural attribute.
a. True
b. False
7. Interfaces between the computer and peripherals is an example of an organizational
attribute. (Interfaces: Giao diện) (Peripherals: thiết bị ngoại vi)
a. True
b. False

8. Historically the distinction between architecture and organization has not been an
important one. (Distinction: phân biệt)
a. True
b. False

9. A particular architecture may span many years and encompass a number of different
computer models, its organization changing with changing technology. (Span: kéo dài)
(Encompass: bao gồm)
a. True
b. False

10. A microcomputer architecture and organization relationship is not very close.

a. True
b. False

11. Changes in technology not only influence organization but also result in the
introduction of more powerful and more complex architectures.
a. True
b. False

12. The hierarchical nature of complex systems is essential to both their design and
their description. (Hierarchical nature: bản chất thứ bậc/ phân cấp)
a. True
b. False

13. Both the structure and functioning of a computer are, in essence, simple.
(Essence: bản chất)
a. True
b. False
14. A computer must be able to process, store, move, and control data.
a. True
b. False
15. When data are moved over longer distances, to or from a remote device, the
process is known as data transport. (Transport: vận chuyển)
a. True
b. False
16. Computer technology is changing at a __________ pace. (Pace: nhịp độ)
a. slow
b. slow to medium
c. rapid
d. non-existent
17. Computer _________ refers to those attributes that have a direct impact on the
logical execution of a program.
a. organization
b. specifics
c. design
d. architecture
18. Architectural attributes include __________ .
a. I/O mechanisms
b. control signals
c. interfaces
d. memory technology used
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19. _________ attributes include hardware details transparent to the programmer.
(Transparent: minh bạch, rõ ràng)
a. Interface
b. Organizational
c. Memory
d. Architectural
architectural
20. It is a(n) _________ design issue whether a computer will have a multiply
instruction. (whether: cho dù)
a. architectural
b. memory
c. elementary
d. organizational
21. It is a(n) _________ issue whether the multiply instruction will be implemented by a
special multiply unit or by a mechanism that makes repeated use of the add unit of the
system. (Implemented: thực hiện)
a. architectural
b. memory
c. mechanical
d. organizational
22. A __________ system is a set of interrelated subsystems. (interrelated: liên quan)
a. secondary
b. hierarchical
c. complex
d. functional
23. An I/O device is referred to as a __________. (refrerred: được gọi là/ xem như là)
a. CPU
b. control device
c. peripheral
d. register
24. When data are moved over longer distances, to or from a remote device, the
process is known as __________.
a. data communications
b. registering
c. structuring
d. data transport
25. The _________ stores data.
a. system bus
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b. I/O
c. main memory
d. control unit
26. The __________ moves data between the computer and its external environment.
a. data transport
b. I/O
c. register
d. CPU interconnection
27. A common example of system interconnection is by means of a __________.
(Common: phổ biến) (Interconnection: kết nối)
a. register
b. system bus
c. data transport
d. control device
28. A _________ is a mechanism that provides for communication among CPU, main
memory, and I/O. (Among: giữa)
a. system interconnection
b. CPU interconnection
c. peripheral
d. processor
29. _________ provide storage internal to the CPU.
a. Control units
b. ALUs
c. Main memory
d. Registers
30. The __________ performs the computer's data processing functions.
a. Register
b. CPU interconnection
c. ALU
d. system bus
31. The world's first general-purpose electronic digital computer was designed and
constructed at The Ohio State University. (Construct: thiết kế, xây dựng) - University of
Pennsylvania
a. True
b. False
32. John Mauchly and John Eckert designed the ENIAC.
a. True
b. False
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33. The major drawback of the EDVAC was that it had to be programmed manually by
setting switches and plugging and unplugging cables. (Drawback: hạn chế) (Manually:
thủ công)
a. True
b. False
34. The IAS is the prototype of all subsequent general-purpose computers.
(Prototype: mẫu) (Subsequent: tiếp theo)
a. True
b. False
35. The IAS operates by repetitively performing an instruction cycle.
(Intrusction cycle: chu kỳ lệnh)
a. True
b. False
36. Backward compatible means that the programs written for the older machines can
be executed on the new machine. (Backward compatible: tương thích ngược)
a. True
b. False
37. A vacuum tube is a solid-state device made from silicon. (Solid-state: chất rắn)
a. True
b. False
38. Computers are classified into generations based on the fundamental hardware
technology employed. (Fundamental: cơ bản) (Employed: được sử dụng)
a. True
b. False
39. System software was introduced in the third generation of computers.
a. True
b. False
40. A wafer is made of silicon and is broken up into chips which consists of many gates
and/or memory cells plus a number of input and output attachment points.
(Attachment: đính kèm)
a. True
b. False
41. IBM's System/360 was the industry's first planned family of computers.
a. True
b. False
42. Intel's 4004 was the first chip to contain all of the components of a CPU on a single
chip.
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a. True
b. False
43. Designers wrestle with the challenge of balancing processor performance with that
of main memory and other computer components. (Wrestle: vật lộn)
a. True
b. False
44. The Intel x86 evolved from RISC design principles and is used in embedded
systems.
(Evolved: phát triển) (Principle: nguyên tắc) (Embedded: nhúng)
a. True
b. False
45. A common measure of performance for a processor is the rate at which instructions
are executed, expressed as billions of instructions per seconds (BIPS).
(Measure: thước đo) (Expressed: biểu thị)
a. True
b. False
46. The _________ was the world's first general-purpose electronic digital computer.
a. UNIVAC
b. MARK IV
c. ENIAC
d. Hollerith's Counting Machine
47. The Electronic Numerical Integrator and Computer project was a response to U.S.
needs during _________.
a. the Civil War
b. the French-American War
c. World War I
d. World War II
48. The ENIAC used __________.
a. vacuum tubes (Bóng đèn điện tử)
b. integrated circuits (Mạch tích hợp)
c. IAS
49. The ENIAC is an example of a _________ generation computer.
a. first
b. second
c. third
d. fourth
50. The __________ interprets the instructions in memory and causes them to be
executed. (Interprets: diễn giải)
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a. main memory
b. control unit
c. I/O
d. arithmetic and logic unit
51. The memory of the IAS consists of 1000 storage locations called __________.
a. opcodes
b. wafers
c. VLSIs
d. words
52. The __________ contains the 8-bit opcode instruction being executed.
a. memory buffer register
b. instruction buffer register
c. instruction register
d. memory address register
53. During the _________ the opcode of the next instruction is loaded into the IR and
the address portion is loaded into the MAR. (Portion: phần)
a. execute cycle
b. fetch cycle (Tìm nạp)
c. instruction cycle
d. clock cycle
54. Second generation computers used __________.
a. integrated circuits
b. Transistors
c. vacuum tubes
d. large-scale integration
integrated circuit
55. The __________ defines the third generation of computers.
a. integrated circuit
b. vacuum tube
c. transistor
d. VLSI
56. The use of multiple processors on the same chip is referred to as __________ and
provides the potential to increase performance without increasing the clock rate.
(Potential: tiềm năng)
a. multicore
b. GPU
c. data channels
d. MPC
57. With the __________, Intel introduced the use of superscalar techniques that allow
multiple instructions to execute in parallel.
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a. Core
b. 8080
c. 80486
d. Pentium
58. The __________ measures the ability of a computer to complete a single task.
a. clock speed
b. speed metric (số liệu tốc độ)
c. execute cycle (chu kỳ thực hiện)
d. cycle time (chu kỳ thời gian)
59. ARM processors are designed to meet the needs of _________.
(Meet the needs: đáp ứng nhu cầu)
a. embedded real-time systems (nhúng thời gian thực)
b. application platforms (nền tảng ứng dụng)
c. secure applications (nền tảng an toàn)
d. all of the above
60. One increment, or pulse, of the system clock is referred to as a _________.
(Increment: gia số - tăng) (Pulse: xung)
a. clock tick
b. cycle time
c. clock rate
d. cycle speed
61. At a top level, a computer consists of CPU, memory, and I/O components.
a. True
b. False
62. The basic function of a computer is to execute programs.
a. True
b. False
63. Program execution consists of repeating the process of instruction fetch and
instruction execution.
a. True
b. False
64. Interrupts do not improve processing efficiency. (Interrupt: ngắt)
a. True
b. False
65. An I/O module cannot exchange data directly with the processor.
a. True
b. False
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66. A key characteristic of a bus is that it is not a shared transmission medium.
a. True
b. False
67. Computer systems contain a number of different buses that provide pathways
between components at various levels of the computer system hierarchy.
a. True
b. False
68. In general, the more devices attached to the bus, the greater the bus length and
hence the greater the propagation delay.
(Hence: từ đây) (Propagtion: lan truyền) (Attach: gắn)
a. True
b. False
69. It is not possible to connect I/O controllers directly onto the system bus.
a. True
b. False
70. The method of using the same lines for multiple purposes is known as time
multiplexing.
a. True
b. False
71. Timing refers to the way in which events are coordinated on the bus.
(Refer: đề cập đến) (Coordinated: phối hợp / điều phối)
a. True
b. False
72. With asynchronous timing the occurrence of events on the bus is determined by a
clock. (Asynchronous: không đồng bộ) (Occurrence: tần suất) (Determine: xác định)
a. True
b. False
73. Because all devices on a synchronous bus are tied to a fixed clock rate, the system
cannot take advantage of advances in device performance. (Fixed: cố định / bất biến)
a. True
b. False
74. The unit of transfer at the link layer is a phit and the unit transfer at the physical
layer is a flit.
a. True
b. False
75. A key requirement for PCIe is high capacity to support the needs of higher data rate
I/O devices such as Gigabit Ethernet. (Capacity: dung lượng)
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a. True
b. False
76. Virtually all contemporary computer designs are based on concepts developed by
__________ at the Institute for Advanced Studies, Princeton.
(Virtually: hầu như) (Contemporary: đương đại/ hiện đại)
A. John Maulchy
B. John von Neumann
C. Herman Hollerith
D. John Eckert
77. The von Neumann architecture is based on which concept?
(Occurs: diễn ra / xảy ra) (Sequential: tuần tự) (Fashion: kiểu)
A. Data and instructions are stored in a single read-write memory
B. The contents of this memory are addressable by location
C. Execution occurs in a sequential fashion
D. All of the above
78. A sequence of codes or instructions is called __________.
A. Software
B. Memory
C. An interconnect
D. A register
79. The processing required for a single instruction is called a(n) __________ cycle.
A. Execute
B. Fetch
C. Instruction
D. Packet
80. A(n) _________ is generated by a failure such as power failure or memory parity
error. (Generated: được tạo ra) (Parity: chẵn lẻ)
A. I/O interrupt
B. Hardware failure interrupt
C. Timer interrupt
D. Program interrupt
81. A(n) _________ is generated by some condition that occurs as a result of an
instruction execution. (Condition: điều kiện/ tình trạng)
A. Timer interrupt
B. I/O interrupt
C. Program interrupt
D. Hardware failure interrupt
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82. The interconnection structure must support which transfer?
A. Memory to processor
B. Processor to memory
C. I/O to or from memory
D. All of the above
83. A bus that connects major computer components (processor, memory, I/O) is called
a __________.
A. System bus
B. Address bus
C. Data bus
D. Control bus
84. The __________ are used to designate the source or destination of the data on the
data bus. (Designate: chỉ định) (Destination: đích)
A. System lines
B. Data lines
C. Control lines
D. Address lines
85. The data lines provide a path for moving data among system modules and are
collectively called the _________.
A. Control bus
B. Address bus
C. Data bus
D. System bus
86. A __________ is the high-level set of rules for exchanging packets of data between
devices.
A. Bus
B. Protocol
C. Packet
D. QPI
87. Each data path consists of a pair of wires (referred to as a __________) that
transmits data one bit at a time.
A. Lane (làn)
B. Path (đường)
C. Line (hàng)
D. Bus
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88. The _________ receives read and write requests from the software above the TL
and creates request packets for transmission to a destination via the link layer.
(Above: bên trên) (Via: qua)
A. Transaction layer (lớp giao dịch)
B. Root layer (lớp gốc)
C. Configuration layer (lớp cấu hình)
D. Transport layer (lớp vận chuyển)
89. The TL supports which of the following address spaces?
A. Memory
B. I/O
C. Message
D. All of the above
90. The QPI _________ layer is used to determine the course that a packet will traverse
across the available system interconnects.
(Course: quá trình) (Traverse: đi qua) (Across: ngang qua)
A. Link
B. Protocol
C. Routing (định tuyến)
D. Physical
Chap 4:
1. No single technology is optimal in satisfying the memory requirements for a computer
system. (Optimal: tối ưu) (Satisfying: đáp ứng/ thỏa mãn)
a. True
b. False
2. A typical computer system is equipped with a hierarchy of memory subsystems, some
internal to the system and some external. (Typical: đặc trưng/ điển hình)
a. True
b. False
3. External memory is often equated with main memory. (Equated: ngang nhau)
a. True
b. False
4. The processor requires its own local memory.
a. True
b. False
5. Cache is not a form of internal memory.
a. True
b. False
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6. The unit of transfer must equal a word or an addressable unit. (Equal: bằng)
a. True
b. False
7. Both sequential access and direct access involve a shared read-write mechanism.
(Involve: liên quan)
a. True
b. False
8. In a volatile memory, information decays naturally or is lost when electrical power is
switched off. (Volatile: bay hơi) (decays: sự phân rã)
a. True
b. False
9. To achieve greatest performance the memory must be able to keep up with the
processor. (Keep up: theo kịp)
a. True
b. False
10. Secondary memory is used to store program and data files and is usually visible to
the programmer only in terms of individual bytes or words.
a. True
b. False
11. The L1 cache is slower than the L3 cache.
a. True
b. False
12. With write back updates are made only in the cache.
a. True
b. False
13. It has become possible to have a cache on the same chip as the processor.
a. True
b. False
14. All of the Pentium processors include two on-chip L1 caches, one for data and one
for instructions.
a. True
b. False
15. Cache design for HPC is the same as that for other hardware platforms and
applications.
a. True
b. False
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16. __________ refers to whether memory is internal or external to the computer.
A. Location
B. Access
C. Hierarchy
D. Tag
17. Internal memory capacity is typically expressed in terms of _________.
A. Hertz
B. Nanos
C. Bytes
D. LOR
18. For internal memory, the __________ is equal to the number of electrical lines into
and out of the memory module.
A. Access time
B. Unit of transfer
C. Capacity
D. Memory ratio
19. "Memory is organized into records and access must be made in a specific linear
sequence" is a description of __________.
A. Sequential access
B. Direct access
C. Random access
D. Associative
20. individual blocks or records have a unique address based on physical location with
__________.
A. Associative
B. Physical access
C. Direct access
D. Sequential access
21. For random-access memory, __________ is the time from the instant that an
address is presented to the memory to the instant that data have been stored or made
available for use.
A. Memory cycle time
B. Direct access
C. Transfer rate
D. Access time
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22. The ________ consists of the access time plus any additional time required before a
second access can commence.
A. Latency
B. Memory cycle time
C. Direct access
D. Transfer rate
23. A portion of main memory used as a buffer to hold data temporarily that is to be read
out to disk is referred to as a _________.(1 phần bộ nhớ chính)
A. Disk cache
B. Latency
C. Virtual address
D. Miss
24. A line includes a _________ that identifies which particular block is currently being
stored.
A. Cache
B. Hit
C. Tag
D. Locality
25. __________ is the simplest mapping technique and maps each block of main
memory into only one possible cache line.
A. Direct mapping
B. Associative mapping
C. Set associative mapping
D. None of the above
26. When using the __________ technique all write operations made to main memory
are made to the cache as well.
a. write back
b. LRU
c. write through
d. unified cache
27. The key advantage of the __________ design is that it eliminates contention for the
cache between the instruction fetch/decode unit and the execution unit.
(loại bỏ sự tranh giành)
a. logical cache
b. split cache
c. unified cache
d. physical cache
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28. The Pentium 4 _________ component executes micro-operations, fetching the
required data from the L1 data cache and temporarily storing results in registers.
a. fetch/decode unit
b. out-of-order execution logic
c. execution unit
d. memory subsystem
29. In reference to access time to a two-level memory, a _________ occurs if an
accessed word is not found in the faster memory.
a. miss
b. hit
c. line
d. tag
30. A logical cache stores data using __________.
a. physical addresses
b. virtual addresses
c. random addresses
d. none of the above
Chap 5:
1. The basic element of a semiconductor memory is the memory cell.
a. True
b. False
2. A characteristic of ROM is that it is volatile.
a. True
b. False
3. RAM must be provided with a constant power supply. (Constant: liên tục)
a. True
b. False
4. The two traditional forms of RAM used in computers are DRAM and SRAM.
a. True
b. False
5. A static RAM will hold its data as long as power is supplied to it.
a. True
b. False
6. Nonvolatile means that power must be continuously supplied to the memory to
preserve the bit values. (Preserve: bảo toàn)
a. True
b. False
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7. The advantage of RAM is that the data or program is permanently in main memory
and need never be loaded from a secondary storage device. (Permanetly: vĩnh viễn)
a. True
b. False
8. Semiconductor memory comes in packaged chips.
a. True
b. False
9. All DRAMs require a refresh operation.
a. True
b. False
10. A number of chips can be grouped together to form a memory bank.
a. True
b. False
11. An error-correcting code enhances the reliability of the memory at the cost of added
complexity. (Nâng cao độ tin cậy của bộ nhớ - tăng chi phí độ phức tạp)
a. True
b. False
12. DRAM is much costlier than SRAM. (Đắt hơn)
a. True
b. False
13. RDRAM is limited by the fact that it can only send data to the processor once per
bus clock cycle.
a. True
b. False
14. The prefetch buffer is a memory cache located on the RAM chip.
a. True
b. False
15. The SRAM on the CDRAM cannot be used as a buffer to support the serial access
of a block of data.
a. True
b. False
16. Which properties do all semiconductor memory cells share?
a. they exhibit two stable states which can be used to represent binary 1 and 0
b. they are capable of being written into to set the state
c. they are capable of being read to sense the state
d. all of the above
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17. One distinguishing characteristic of memory that is designated as _________ is that
it is possible to both to read data from the memory and to write new data into the
memory easily and rapidly.
a. RAM
b. ROM
c. EPROM
d. EEPROM
18. Which of the following memory types are nonvolatile?
a. erasable PROM
b. programmable ROM
c. flash memory
d. all of the above
19. In a _________, binary values are stored using traditional flip-flop logic-gate
configurations.
a. ROM
b. SRAM
c. DRAM
d. RAM
20. A __________ contains a permanent pattern of data that cannot be changed, is
nonvolatile, and cannot have new data written into it.
a. RAM
b. SRAM
c. ROM
d. flash memory
21. With _________ the microchip is organized so that a section of memory cells are
erased in a single action. (tích tắc)
a. flash memory
b. SDRAM
c. DRAM
d. EEPROM
22. __________ can be caused by harsh environmental abuse, manufacturing defects,
and wear.
a. SEC errors
b. Hard errors
c. Syndrome errors
d. Soft errors
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23. _________ can be caused by power supply problems or alpha particles.
a. Soft errors
b. AGT errors
c. Hard errors
d. SEC errors
24. The _________ exchanges data with the processor synchronized to an external
clock signal and running at the full speed of the processor/memory bus without
imposing wait states.
a. DDR-DRAM
b. SDRAM
c. CDRAM
d. none of the above
25. ________ can send data to the processor twice per clock cycle.
a. CDRAM
b. SDRAM
c. DDR-DRAM
d. RDRAM
26. __________ increases the data transfer rate by increasing the operational
frequency of the RAM chip and by increasing the prefetch buffer from 2 bits to 4 bits per
chip. (tầng số hoạt động và từ 2 lên 4 bits)
a. DDR2
b. RDRAM
c. CDRAM
d. DDR3
27. ________ increases the prefetch buffer size to 8 bits.
a. CDRAM
b. RDRAM
c. DDR3
d. all of the above
28. Theoretically, a DDR module can transfer data at a clock rate in the range of
__________ MHz.
a. 200 to 600
b. 400 to 1066
c. 600 to 1400
d. 800 to 1600
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X * 2 to 200 + (200 – DDR2) + (400 – DDR3) + (600 – DDR4)
29. A DDR3 module transfers data at a clock rate of __________ MHz.
a. 600 to 1200
b. 800 to 1600
c. 1000 to 2000
d. 1500 to 3000
30. The ________ enables the RAM chip to preposition bits to be placed on the data
bus as rapidly as possible.
a. flash memory
b. Hamming code
c. RamBus
d. buffer
Chap 6:
1. Magnetic disks are the foundation of external memory on virtually all computer
systems.
a. True
b. False
2. During a read or write operation, the head rotates while the platter beneath it stays
stationary. (đứng yên)
a. True
b. False
3. The width of a track is double that of the head.
a. True
b. False
4. There are typically hundreds of sectors per track and they may be either fixed or
variable lengths.
a. True
b. False
5. A bit near the center of a rotating disk travels past a fixed point slower than a bit on
the outside.
a. True
b. False
6. The disadvantage of using CAV is that individual blocks of data can only be directly
addressed by track and sector.
a. True
b. False
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7. A removable disk can be removed and replaced with another disk.
a. True
b. False
8. The head must generate or sense an electromagnetic field of sufficient magnitude to
write and read properly.
a. True
b. False
9. The transfer time to or from the disk does not depend on the rotation speed of the
disk.
a. True
b. False
10. RAID is a set of physical disk drives viewed by the operating system as a single
logical drive.
a. True
b. False
11. RAID level 0 is not a true member of the RAID family because it does not include
redundancy to improve performance.
a. True
b. False
12. Because data are striped in very small strips, RAID 3 cannot achieve very high data
transfer rates.
a. True
b. False
13. The SSDs now on the market use a type of semiconductor memory referred to as
flash memory.
a. True
b. False
14. SSD performance has a tendency to speed up as the device is used.
a. True
b. False
15. Flash memory becomes unusable after a certain number of writes.
a. True
b. False
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16. Greater ability to withstand shock and damage, improvement in the uniformity of the
magnet film surface to increase disk reliability, and a significant reduction in overall
surface defects to help reduce read-write errors, are all benefits of ___________.
a. magnetic read and write mechanisms
b. platters
c. the glass substrate
d. a solid state drive
17. Adjacent tracks are separated by _________. (đường tuyến kết nối với nhau bằng)
a. sectors
b. gaps
c. pits
d. heads
18. Data are transferred to and from the disk in __________.
a. tracks
b. gaps
c. sectors
d. pits
19. In most contemporary systems fixed-length sectors are used, with _________ bytes
being the nearly universal sector size.
a. 64
b. 128
c. 256
d. 512
20. Scanning information at the same rate by rotating the disk at a fixed speed is known
as the _________.
a. constant angular velocity
b. magnetoresistive
c. rotational delay
d. constant linear velocity
21. The disadvantage of _________ is that the amount of data that can be stored on the
long outer tracks is only the same as what can be stored on the short inner tracks.
a. SSD
b. CAV
c. ROM
d. CLV
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22. A __________ disk is permanently mounted in the disk drive, such as the hard disk
in a personal computer.
a. nonremovable
b. movable-head
c. double sided
d. removable
23. When the magnetizable coating is applied to both sides of the platter the disk is then
referred to as _________.
a. multiple sided
b. substrate
c. double sided
d. all of the above
24. The set of all the tracks in the same relative position on the platter is referred to as a
_________.
a. floppy disk
b. single-sided disk
c. sector
d. cylinder
25. The sum of the seek time and the rotational delay equals the _________, which is
the time it takes to get into position to read or write.
a. access time
b. gap time
c. transfer time
d. constant angular velocity
26. __________ is the standardized scheme for multiple-disk database design.
a. RAID
b. CAV
c. CLV
d. SSD
27. RAID level ________ has the highest disk overhead of all RAID types.
a. 0
b. 1
c. 3
d. 5
28. A _________ is a high-definition video disk that can store 25 Gbytes on a single
layer on a single side.
a. DVD
b. DVD-R
c. DVD-RW
d. Blu-ray DVD
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29. ________ is when the disk rotates more slowly for accesses near the outer edge
than for those near the center.
a. Constant angular velocity (CAV)
b. Magnetoresistive
c. Constant linear velocity (CLV)
d. Seek time
30. The areas between pits are called _________.
a. lands
b. sectors
c. cylinders
d. strips
Chap 7:
1. A set of I/O modules is a key element of a computer system.
a. True
b. False
2. An I/O module must recognize one unique address for each peripheral it controls.
a. True
b. False
3. I/O channels are commonly seen on microcomputers, whereas I/O controllers are
used on mainframes.
a. True
b. False
4. It is the responsibility of the processor to periodically check the status of the I/O
module until it finds that the operation is complete.
a. True
b. False
5. With isolated I/O there is a single address space for memory locations and I/O
devices.
a. True
b. False
6. A disadvantage of memory-mapped I/O is that valuable memory address space is
used up.
a. True
b. False
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7. The disadvantage of the software poll is that it is time consuming.
a. True
b. False
8. With a daisy chain the processor just picks the interrupt line with the highest priority.
a. True
b. False
9. Bus arbitration makes use of vectored interrupts.
a. True
b. False
10. The rotating interrupt mode allows the processor to inhibit interrupts from certain
devices.
a. True
b. False
11. Because the 82C55A is programmable via the control register, it can be used to
control a variety of simple peripheral devices.
a. True
b. False
12. When large volumes of data are to be moved, a more efficient technique is direct
memory access (DMA).
a. True
b. False
13. An I/O channel has the ability to execute I/O instructions, which gives it complete
control over I/O operations.
a. True
b. False
14. A multipoint external interface provides a dedicated line between the I/O module and
the external device.
a. True
b. False
15. A Thunderbolt compatible peripheral interface is no more complex than that of a
simple USB device.
a. True
b. False
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16. The _________ contains logic for performing a communication function between the
peripheral and the bus.
a. I/O channel
b. I/O module
c. I/O processor
d. I/O command
17. The most common means of computer/user interaction is a __________.
a. keyboard/monitor
b. mouse/printer
c. modem/printer
d. monitor/printer
18. The I/O function includes a _________ requirement to coordinate the flow of traffic
between internal resources and external devices. (điều phối)
a. cycle
b. status reporting
c. control and timing
d. data
19. An I/O module that takes on most of the detailed processing burden, presenting a
high-level interface to the processor, is usually referred to as an _________.
a. I/O channel
b. I/O command
c. I/O controller
d. device controller
20. An I/O module that is quite primitive and requires detailed control is usually referred
to as an _________.
a. I/O command
b. I/O controller
c. I/O channel
d. I/O processor
21. The _________ command causes the I/O module to take an item of data from the
data bus and subsequently transmit that data item to the peripheral.
a. control
b. test
c. read
d. write
22. The ________ command is used to activate a peripheral and tell it what to do.
a. control
b. test
c. read
d. write
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23. ________ is when the DMA module must force the processor to suspend operation
temporarily.
a. Interrupt
b. Thunderbolt
c. Cycle stealing
d. Lock down
24. The 8237 DMA is known as a _________ DMA controller.
a. command
b. cycle stealing
c. interrupt
d. fly-by
25. ________ is a digital display interface standard now widely adopted for computer
monitors, laptop displays, and other graphics and video interfaces.
a. DisplayPort
b. PCI Express
c. Thunderbolt
d. InfiniBand
26. The ________ layer is the key to the operation of Thunderbolt and what makes it
attractive as a high-speed peripheral I/O technology.
a. cable
b. application
c. common transport
d. physical
27. The Thunderbolt protocol _________ layer is responsible for link maintenance
including hot-plug detection and data encoding to provide highly efficient data transfer.
a. cable
b. application
c. common transport
d. physical
28. The ________ contains I/O protocols that are mapped on to the transport layer.
a. cable
b. application
c. common transport
d. physical
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29. A ________ is used to connect storage systems, routers, and other peripheral
devices to an InfiniBand switch.
a. target channel adapter
b. InfiniBand switch
c. host channel adapter
d. subnet
30. A ________ connects InfiniBand subnets, or connects an InfiniBand switch to a
network such as a local area network, wide area network, or storage area network.
a. memory controller
b. TCA
c. HCA
d. router
Chap 8:
1. Scheduling and memory management are the two OS functions that are most
relevant to the study of computer organization and architecture.
a. True
b. False
2. The end user is concerned mainly with the computer's architecture.
a. True
b. False
3. The most important system program is the OS.
a. True
b. False
4. The ABI is the boundary between hardware and software.
a. True
b. False
5. The OS must determine how much processor time is to be devoted to the execution
of a particular user program.
a. True
b. False
6. With a batch operating system the user does not have direct access to the processor.
a. True
b. False
7. Privileged instructions are certain instructions that are designated special and can be
executed only by the monitor. (hướng dẫn đặc quyền)
a. True
b. False
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8. Uniprogramming is the central theme of modern operating systems.
a. True
b. False
9. Both batch multiprogramming and time sharing use multiprogramming.
a. True
b. False
10. An interrupt is a hardware-generated signal to the processor.
a. True
b. False
11. Swapping is an I/O operation.
a. True
b. False
12. With demand paging it is necessary to load an entire process into main memory.
a. True
b. False
13. The Pentium II includes hardware for both segmentation and paging.
a. True
b. False
14. ARM provides a versatile virtual memory system architecture that can be tailored to
the needs of the embedded system designer.
a. True
b. False
15. Managers are users of domains that must observe the access permissions of the
individual sections and/or pages that make up that domain. (quan sát)
a. True
b. False
16. The __________ is a program that controls the execution of application programs
and acts as an interface between applications and the computer hardware.
a. job control language
b. operating system
c. batch system
d. nucleus
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17. Facilities and services provided by the OS that assist the programmer in creating
programs are in the form of _________ programs that are not actually part of the OS
but are accessible through the OS.
a. utility
b. multitasking
c. JCL
d. logical address
18. The _________ defines the repertoire of machine language instructions that a
computer can follow.
a. ABI
b. API
c. HLL
d. ISA
19. The _________ defines the system call interface to the operating system and the
hardware resources and services available in a system through the user instruction set
architecture.
a. HLL
b. API
c. ABI
d. ISA
20. The ________ gives a program access to the hardware resources and services
available in a system through the user instruction set architecture supplemented with
high-level language library calls.
a. JCL
b. ISA
c. ABI
d. API
21. A _________ system works only one program at a time.
a. batch
b. uniprogramming
c. kernel
d. privileged instruction
22. A _________ is a special type of programming language used to provide
instructions to the monitor.
a. job control language
b. multiprogram
c. kernel
d. utility
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23. The _________ scheduler determines which programs are admitted to the system
for processing.
a. long-term
b. medium-term
c. short-term
d. I/O
24. The ________ scheduler is also known as the dispatcher. (người điều phối)
a. long-term
b. medium-term
c. short-term
d. I/O
25. A _________ is an actual location in main memory. (thực tế)
a. logical address
b. partition address
c. base address
d. physical address
26. ________ is when the processor spends most of its time swapping pages rather
than executing instructions.
a. Swapping
b. Thrashing
c. Paging
d. Multitasking
27. Virtual memory schemes make use of a special cache called a ________ for page
table entries.
a. TLB
b. HLL
c. VMC
d. SPB
28. With _________ the virtual address is the same as the physical address. (unun)
a. unsegmented unpaged memory
b. unsegmented paged memory
c. segmented unpaged memory
d. segmented paged memory
29. A _________ is a collection of memory regions.
a. APX
b. nucleus
c. domain
d. page table
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30. The OS maintains a __________ for each process that shows the frame location for
each page of the process.
a. kernel
b. page table
c. TLB
d. logical address
Chap 9:
1. Our primary counting system is based on binary digits to represent numbers.
a. True
b. False
2. The decimal system has a radix of 100.
a. True
b. False
3. Negative powers of 10 are used to represent the positions of the numbers for decimal
fractions. (mũ âm)
a. True
b. False
4. A number with both an integer and fractional part has digits raised to both positive
and negative powers of 10.
a. True
b. False
5. In any number, the rightmost digit is referred to as the most significant digit. (ngoài
cùng bên phải – có nghĩa nhất)
a. True
b. False
6. There are 50 tens in the number 509.
a. True
b. False
7. The decimal system is a special case of a positional number system with radix 10
and with digits in the range 0 through 9. (radix: cơ số)
a. True
b. False
8. A number cannot be converted from binary notation to decimal notation.
a. True
b. False
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9. Although convenient for computers, the binary system is exceedingly cumbersome for
human beings. (cồng kềnh)
a. True
b. False
10. A nibble is a grouping of four decimal digits.
a. True
b. False
11. Hexadecimal notation is only used for representing integers.
a. True
b. False
12. It is extremely easy to convert between binary and hexadecimal notation.
a. True
b. False
13. Hexadecimal notation is more compact than binary notation. (nhỏ gọn)
a. True
b. False
14. A sequence of hexadecimal digits can be thought of as representing an integer in
base 10.
a. True
b. False
15. Because of the inherent binary nature of digital computer components, all forms of
data within computers are represented by various binary codes. (bản chất – máy tính
hiểu bằng mã nhị phân)
a. True
b. False
16. The decimal system has a base of _________.
a. 0
b. 10
c. 100
d. 1000
17. Which digit represents "hundreds" in the number 8732?
a. 8
b. 7
c. 3
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18. Which of the following is correct?
a. 25 = (2 x 102) + (5 x 101)
b. 289 = (2 x 103) + (8 x 101) + (9 x 100)
c. 7523 = (7 x 10^3) + (5 x 10^2) + (2 x 10^1) + (3 x 10^0)
d. 0.628 = (6 x 10-3) + (2 x 10-2) + (8 x 10-1)
19. In the number 3109, the 3 is referred to as the _________.
a. most significant digit
b. least significant digit
c. radix
d. base
20. In the number 3109, the 9 is referred to as the _________.
a. most significant digit
b. least significant digit
c. radix
d. base
21. Numbers in the binary system are represented to the _________.
a. base 0
b. base 1
c. base 2
d. base 10
22. Hexadecimal has a base of _________.
a. 2
b. 8
c. 10
d. 16
23. The binary string 110111100001 is equivalent to __________.
a. DE1 16
b. C78 16
c. FF64 16
d. B8F 16
24. The _________ system uses only the numbers 0 and 1.
a. positional
b. binary
c. hexadecimal
d. decimal
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25. Decimal "10" is __________ in binary.
a. 1000
b. 0010
c. 1010
d. 0001
26. Decimal "10" is _________ in hexadecimal.
a. 1
b. A
c. 0
d. FF
27. Four bits is called a _________.
a. radix point
b. byte
c. nibble
d. binary digit
28. Another term for "base" is __________.
a. radix
b. integer
c. position
d. digit
29. In the number 472.156 the 2 is the _________.
a. most significant digit
b. radix point
c. least significant digit
d. none of the above
30. Binary 0101 is hexadecimal _________.
a. 0
b. 5
c. A
d. 10
Chap 10:
1. The operation of the digital computer is based on the storage and processing of
binary data.
a. True
b. False
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2. Claude Shannon, a research assistant in the Electrical Engineering Department at
M.I.T., proposed the basic principles of Boolean algebra. (đề xuất)
a. True
b. False
3. In the absence of parentheses, the AND operation takes precedence over the OR
operation. (không có dấu ngoặc – ưu tiên hơn)
a. True
b. False
4. Logical functions are implemented by the interconnection of decoders. (bộ giải mã)
a. True
b. False
5. The delay by the propagation time of signals through the gate is known as the gate
delay.
a. True
b. False
6. A combinational circuit consists of n binary inputs and m binary outputs.
a. True
b. False
7. Any Boolean function can be implemented in electronic form as a network of gates.
a. True
b. False
8. A Boolean function can be realized in the sum of products (SOP) form but not in the
product of sums (POS) form.
a. True
b. False
9. "Don't care" conditions are when certain combinations of values of variables never
occur, and therefore the corresponding output never occurs.
a. True
b. False
10. The value to be loaded into the program counter can come from a binary counter,
the instruction register, or the output of the ALU.
a. True
b. False
11. In general, a decoder has n inputs and 2n outputs.
a. True
b. False
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12. Combinational circuits are often referred to as "memoryless" circuits because their
output depends only on their current input and no history of prior inputs is retained.
a. True
b. False
13. Binary addition is exactly the same as Boolean algebra.
a. True
b. False
14. Events in the digital computer are synchronized to a clock pulse so that changes
occur only when a clock pulse occurs.
a. True
15. A register is a digital circuit used within the CPU to store one or more bits of data.
a. True
b. False
16. The operand ________ yields true if and only if both of its operands are true.
a. XOR
b. OR
c. AND
d. NOT
17. The operation _________ yields true if either or both of its operands are true.
a. NOT
b. AND
c. NAND
d. OR
18. The unary operation _________ inverts the value of its operand. (đảo ngược)
a. OR
b. NOT
c. NAND
d. XOR
19. A _______ is an electronic circuit that produces an output signal that is a simple
Boolean operation on its input signals.
a. gate
b. decoder
c. counter
d. flip-flop
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20. Which of the following is a functionally complete set?
a. AND, NOT
b. NOR
c. AND, OR, NOT
d. all of the above
21. For more than four variables an alternative approach is a tabular technique referred
to as the _________ method.
a. DeMorgan
b. Quine-McCluskey
c. Karnaugh map
d. Boole-Shannon
22. ________ are used in digital circuits to control signal and data routing.
a. Multiplexers
b. Program counters
c. Flip-flops
d. Gates
23. ________ is implemented with combinational circuits.
a. Nano memory
b. Random access memory
c. Read only memory
d. No memory
24. The ________ exists in one of two states and, in the absence of input, remains in
that state. (không có đầu vào – vẫn ở trạng thái đó)
a. assert
b. complex PLD
c. decoder
d. flip-flop
25. The ________ flip-flop has two inputs and all possible combinations of input values
are valid.
a. J-K
b. D
c. S-R
d. clocked S-R
26. A _________ accepts and/or transfers information serially.
a. S-R latch
b. shift register
c. FPGA
d. parallel register
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27. Counters can be designated as _________.
a. asynchronous
b. synchronous
c. both asynchronous and synchronous
d. neither asynchronous or synchronous
28. CPUs make use of _________ counters, in which all of the flip-flops of the counter
change at the same time.
a. synchronous
b. asynchronous
c. clocked S-R
d. timed ripple
29. The _________ table provides the value of the next output when the inputs and the
present output are known, which is exactly the information needed to design the counter
or any sequential circuit.
a. excitation
b. Kenough
c. J-K flip-flop
d. FPGA
30. A _________ is a PLD featuring a general structure that allows very high logic
capacity and offers more narrow logic resources and a higher ration of flip-flops to logic
resources than do CPLDs.
a. SPLD
b. FPGA
c. PAL
d. PLA
Chap 10:
1. One boundary where the computer designer and the computer programmer can view
the same machine is the machine instruction set.
a. True
b. False
2. The operation to be performed is specified by a binary code known as the operation
code.
a. True
b. False
3. The address of the next instruction to be fetched must be a real address, not a virtual
address.
a. True
b. False
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4. It has become common practice to use a symbolic representation of machine
instructions. (ký hiệu )
a. True
b. False
5. A high-level language expresses operations in a basic form involving the movement
of data to or from registers.
a. True
b. False
6. One of the traditional ways of describing processor architecture is in terms of the
number of addresses contained in each instruction.
a. True
b. False
7. Memory references are faster than register references.
a. True
b. False
8. The instruction set is the programmer's means of controlling the processor.
a. True
b. False
9. Addresses are a form of data.
a. True
b. False
10. Not all machine languages include numeric data types.
a. True
b. False
11. ARM processors support data types of 8 (byte), 16 (halfword), and 32 (word) bits in
length.
a. True
b. False
12. Most machines provide the basic arithmetic operations of add, subtract, multiply,
and divide.
a. True
b. False
13. A branch can be either forward or backward. (nhánh)
a. True
b. False
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14. Procedures do not allow programming tasks to be subdivided into smaller units.
a. True
b. False
15. The focus of MMX technology is multimedia programming.
a. True
b. False
16. The ________ specifies the operation to be performed.
a. source operand reference
b. opcode
c. next instruction reference
d. processor register
17. A(n) _________ expresses operations in a concise algebraic form using variables.
(diễn đạt phép toán dưới dạng đại số ngắn gọn)
a. opcode
b. high-level language
c. machine language
d. register
18. There must be ________ instructions for moving data between memory and the
registers.
a. branch
b. logic
c. memory
d. I/O
19. ________ instructions operate on the bits of a word as bits rather than as numbers,
providing capabilities for processing any other type of data the user may wish to employ.
a. Logic
b. Arithmetic
c. Memory
d. Test
20. _________ instructions provide computational capabilities for processing number
data. (khả năng tính toán)
a. Boolean
b. Logic
c. Memory
d. Arithmetic
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21. _______ instructions are needed to transfer programs and data into memory and
the results of computations back out to the user.
a. I/O
b. Transfer
c. Control
d. Branch
22. The x86 data type that is a signed binary value contained in a byte, word, or
doubleword, using twos complement representation is _________.
a. general
b. ordinal
c. integer
d. packed BCD
23. The most fundamental type of machine instruction is the _________ instruction.
a. conversion
b. data transfer
c. arithmetic
d. logical
24. The _________ instruction includes an implied address. (địa chỉ ngầm định)
a. skip
b. rotate
c. stack
d. push
25. Which of the following is a true statement?
a. a procedure can be called from more than one location
b. a procedure call can appear in a procedure
c. each procedure call is matched by a return in the called program
d. all of the above
26. The entire set of parameters, including return address, which is stored for a
procedure invocation is referred to as a _________. (thủ tục gọi)
a. branch
b. stack frame
c. pop
d. push
27. Which ARM operation category includes logical instructions (AND, OR, XOR), add
and subtract instructions, and test and compare instructions?
a. data-processing instructions
b. branch instructions
c. load and store instructions
d. extend instructions
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28. In the ARM architecture only _________ instructions access memory locations.
a. data processing
b. status register access
c. load and store
d. branch
29. Which data type is defined in MMX?
a. packed byte
b. packed word
c. packed doubleword
d. all of the above
30. A branch instruction in which the branch is always taken is _________.
a. conditional branch
b. unconditional branch
c. jump
d. bi-endian
Chap 11:
1. The value of the mode field determines which addressing mode is to be used. (xác
định địa chỉ sử dụng)
a. True
b. False
2. In a system without virtual memory, the effective address is a virtual address or a
register.
a. True
b. False
3. The disadvantage of immediate addressing is that the size of the number is restricted
to the size of the address field. (định đia chỉ - kích thước bị giới hạn)
a. True
b. False
4. With direct addressing, the length of the address field is usually less than the word
length, thus limiting the address range.
a. True
b. False
5. Register addressing is similar to direct addressing with the only difference being that
the address field refers to a register rather than a main memory address.
a. True
b. False
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6. Register indirect addressing uses the same number of memory references as indirect
addressing. (địa chỉ thanh ghi gián tiếp – cùng số - địa chị gián tiếp)
a. True
b. False
7. Three of the most common uses of stack addressing are relative addressing, baseregister
addressing, and indexing.
a. True
b. False
8. The method of calculating the EA is the same for both base-register addressing and
indexing.
a. True
b. False
9. Typically an instruction set will include both preindexing and postindexing.
a. True
b. False
10. The x86 is equipped with a variety of addressing modes intended to allow the
efficient execution of high-level languages.
a. True
b. False
11. The base with index and displacement mode sums the contents of the base register,
the index register, and a displacement to form the effective address. (dịch chuyển thành
địa chỉ hiệu quả)
a. True
b. False
12. The memory transfer rate has not kept up with increases in processor speed.
a. True
b. False
13. For addresses that reference memory the range of addresses that can be
referenced is not related to the number of address bits. (địa chỉ tham chiếu ko liên quan
bits địa chỉ)
a. True
b. False
14. The principal price to pay for variable-length instructions is an increase in the
complexity of the processor.
a. True
b. False
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15. One advantage of linking the addressing mode to the operand rather than the
opcode is that any addressing mode can be used with any opcode.
a. True
b. False
16. The advantage of __________ is that no memory reference other than the
instruction fetch is required to obtain the operand. (không tham chiếu bộ nhớ nào)
a. direct addressing (trực tiếp)
b. immediate addressing (ngay lập tức)
c. register addressing
d. stack addressing
17. The principal advantage of ___________ addressing is that it is a very simple form
of addressing.
a. displacement
b. register
c. stack
d. direct
18. __________ has the advantage of large address space, however it has the
disadvantage of multiple memory references.
a. Indirect addressing
b. Direct addressing
c. Immediate addressing
d. Stack addressing
19. The advantages of _________ addressing are that only a small address field is
needed in the instruction and no time-consuming memory references are required.
a. direct
b. indirect
c. register
d. displacement
20. __________ has the advantage of flexibility, but the disadvantage of complexity.
a. Stack addressing
b. Displacement addressing
c. Direct addressing
d. Register addressing
21. For _________, the address field references a main memory address and the
referenced register contains a positive displacement from that address. (khoảng cách
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địa chỉ)
a. indexing
b. base-register addressing
c. relative addressing
d. all of the above
22. Indexing performed after the indirection is __________. (lập chỉ mục thực hiện sau
chuyển hướng)
a. relative addressing
b. autoindexing
c. postindexing
d. preindexing
23. For the _________ mode, the operand is included in the instruction. (toán hạng
trong lệnh)
a. immediate
b. base
c. register
d. displacement
24. The only form of addressing for branch instructions is _________ addressing. (lệnh
rẽ nhánh)
a. register
b. relative
c. base
d. immediate
25. Which of the following interrelated factors go into determining the use of the
addressing bits? (liên quan sử dụng bits địa chỉ)
a. number of operands
b. number of register sets
c. address range
d. all of the above
26. _________ is a principle by which two variables are independent of each other.
a. Opcode
b. Orthogonality (trực giao)
c. Completeness (hoàn chỉnh)
d. Autoindexing (tự động)
27. The _________ was designed to provide a powerful and flexible instruction set
within the constraints of a 16-bit minicomputer.
a. PDP-1
b. PDP-8
c. PDP-11
d. PDP-10
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28. The __________ byte consists of three fields: the Scale field, the Index field and the
Base field.
a. SIB
b. VAX
c. PDP-11
d. ModR/M
29. All instructions in the ARM architecture are __________ bits long and follow a
regular format.
a. 8
b. 16
c. 32
d. 64
30. __________ is a design principle employed in designing the PDP-10 instruction set.
a. Orthogonality
b. Completeness
c. Direct addressing
d. All of the above

1. The processor needs to store instructions and data temporarily while an instruction is
being executed.
a. True
b. False

2. The control unit (CU) does the actual computation or processing of data.
a. True
b. False

3. Within the processor there is a set of registers that function as a level of memory
above main memory and cache in the hierarchy.
a. True
b. False

4. Condition codes facilitate multiway branches. (tạo điều kiện)

a. True
b. False

5. The allocation of control information between registers and memory are not
considered to be a key design issue. (không quan trọng)
a. True
b. False

6. Instruction pipelining is a powerful technique for enhancing performance but requires

careful design to achieve optimum results with reasonable complexity.
a. True
b. False

7. The cycle time of an instruction pipeline is the time needed to advance a set of
instructions one stage through the pipeline. (cần thiết)
a. True
b. False

8. A control hazard occurs when two or more instructions that are already in the pipeline
need the same resource.
a. True
b. False

9. One of the major problems in designing an instruction pipeline is assuring a steady

flow of instructions to the initial stages of the pipeline.(đảm bảo ổn định – giai đoạn đầu)
a. True
b. False

10. The predict-never-taken approach is the most popular of all the branch prediction
methods.
a. True
b. False

11. It is possible to improve pipeline performance by automatically rearranging

instructions within a program so that branch instructions occur later than actually
desired. (kiểm soát lệnh rẽ nhánh – muộn hơn so với thực tế)
a. True
b. False

12. Interrupt processing allows an application program to be suspended in order that a

variety of interrupt conditions can be serviced and later resumed. (dừng ctr – hoạt động
lại sau)
a. True
b. False
13. An interrupt is generated from software and it is provoked by the execution of an
instruction.
a. True
b. False

14. While the processor is in user mode the program being executed is unable to
access protected system resources or to change mode, other than by causing an
exception to occur. (chế độ người dùng – ko truy cập tài nguyên – trừ ngoại lệ)
a. True
b. False

15. The exception modes have full access to system resources and can change modes
freely. (chế độ ngoại lệ)
a. True
b. False

16. __________ are a set of storage locations.

A. Processors
B. PSWs
C. Registers
D. Control units

17. The ________ controls the movement of data and instructions into and out of the
processor.
A. control unit
B. ALU
C. shifter
D. branch

18. ________ registers may be used only to hold data and cannot be employed in the
calculation of an operand address.
A. General purpose
B. Data
C. Address
D. Condition code

19. __________ are bits set by the processor hardware as the result of operations.
(kết quả của hoạt động)
A. MIPS
B. Condition codes
C. Stacks
D. PSWs

20. The _________ contains the address of an instruction to be fetched.

(chứa địa chỉ của lệnh sẽ được tìm nạp)
A. instruction register
B. memory address register
C. memory buffer register
D. program counter

21. The _________ contains a word of data to be written to memory or the word most
recently read. (chứa được ghi vào bộ nhớ - đọc gần nhất)
A. MAR
B. PC
C. MBR
D. IR

22. The ________ determines the opcode and the operand specifiers. (giải)
A. decode instruction
B. fetch operands
C. calculate operands
D. execute instruction

23. _________ is a pipeline hazard.

A. Control
B. Resource
C. Data
D. All of the above

24. A ________ hazard occurs when there is a conflict in the access of an operand
location. (rủi ro xung đột khi truy cập toán hạng)
A. resource
B. data
C. structural
D. control

25. A _________ is a small, very-high-speed memory maintained by the instruction

fetch stage of the pipeline and containing the n most recently fetched instructions in
sequence.
A. loop buffer
B. delayed branch
C. multiple stream
D. branch prediction
26. The _________ is a small cache memory associated with the instruction fetch stage
of the pipeline. (liên kết tìm nạp lệnh)
A. dynamic branch
B. loop table
C. branch history table
D. flag

27. The _________ stage includes ALU operations, cache access, and register update.
A. decode
B. execute
C. fetch
D. write back

28. ________ is used for debugging.

A. Direction flag
B. Alignment check
C. Trap flag
D. Identification flag
29. The ARM architecture supports _______ execution modes.
A. 2
B. 8
C. 11
D. 7

30. The OS usually runs in ________.

A. supervisor mode
B. abort mode
C. undefined mode
D. fast interrupt mode

1. Microprogramming eases the task of designing and implementing the control unit and
provides support for the family concept.
a. True
b. False

2. Pipelining is a means of introducing parallelism into the essentially sequential nature

of a machine-instruction program. (cơ chế song song vào bản chất tuần tự)
a. True
b. False

3. The major cost in the life cycle of a system is hardware.

a. True
b. False

4. It is common for programs, both system and application, to continue to exhibit new
bugs after years of operation. (thường xuất hiện lỗi mới sau nhiều năm hoạt động)
a. True
b. False

5. Procedure calls and returns are not important aspects of HLL programs.
a. True
b. False

6. The register file is on the same chip as the ALU and control unit.
a. True
b. False

7. The register file employs much shorter addresses than addresses for cache and
memory.
a. True
b. False

8. To handle any possible pattern of calls and returns the number of register windows
would have to be unbounded. (Gọi thủ tục – cửa sổ đkí phải ko bị giới hạn)
a. True
b. False

9. Cache memory is a much faster memory than the register file.

a. True
b. False

10. The cache is capable of handling global as well as local variables.

(capable: khả năng)
a. True
b. False

11. When using graph coloring, nodes that share the same color cannot be assigned to
the same register.
a. True
b. False

12. With simple, one cycle instructions, there is little or no need for microcode.
a. True
b. False
13. Almost all RISC instructions use simple register addressing.
a. True
b. False

14. RISC processors are more responsive to interrupts because interrupts are checked
between rather elementary operations.
(phản ứng ngắt nhanh – ngắt kiểm tra giữa hoạt động cơ bản)
a. True
b. False

15. Unrolling can improve performance by increasing instruction parallelism by

improving pipeline performance. (byby)
a. True
b. False

16. _________ determines the control and pipeline organization.

a. Calculation
b. Execution sequencing
c. Operations performed
d. Operands used

17. The Patterson study examined the dynamic behavior of _________ programs,
independent of the underlying architecture. (hành vi động ctr – độc lập ktrúc cơ bản)
a. HLL
b. RISC
c. CISC
d. all of the above

18. _________ is the fastest available storage device.

a. Main memory
b. Cache
c. Register storage
d. HLL

19. The first commercial RISC product was _________. (thương mại đầu tiên)
a. SPARC
b. CISC
c. VAX
d. the Pyramid

20. _________ instructions are used to position quantities in registers temporarily for
computational operations. (định vị đại lượng – cho việc tính toán)
a. Load-and-store
b. Window
c. Complex
d. Branch

21. Which stage is required for load and store operations?

a. I
b. E
c. D
d. all of the above
22. A ________ instruction can be used to account for data and branch delays.
(dữ liệu và điều kiện delays)
a. SUB
b. NOOP
c. JUMP
d. all of the above

23. The instruction location immediately following the delayed branch is referred to as
the ________. (vị trí)
a. delay load
b. delay file
c. delay slot
d. delay register

24. A tactic similar to the delayed branch is the _________, which can be used on
LOAD instructions.
a. delayed load
b. delayed program
c. delayed slot
d. delayed register

25. The MIPS R4000 uses ________ bits for all internal and external data paths and for
addresses, registers, and the ALU.
a. 16
b. 32
c. 64
d. 128

26. All MIPS R series processor instructions are encoded in a single ________ word
format.
a. 4-bit
b. 8-bit
c. 16-bit
d. 32-bit

27. A _________ architecture is one that makes use of more, and more fine-grained
pipeline stages. (sử dụng nhiều hơn – nhiều giai đoạn pipeline hơn)
a. parallel
b. superpipelined
c. superscalar
d. hybrid
28. The R4000 can have as many as _______ instructions in the pipeline at the same
time.
a. 8
b. 10
c. 5
d. 3

29. SPARC refers to an architecture defined by ________.

a. Microsoft
b. Apple
c. Sun Microsystems
d. IBM
30. The R4000 pipeline stage where the instruction result is written back to the register
file is the __________ stage.
a. write back
b. tag check
c. data cache
d. instruction execute