NEES HUSSAIN NED COMPUTER 2025
RECREATION SESSION FOR ROUND 2
ECAT CS / NED ROUND 2
1. Which of the following is best for DBMS?
a. is collection of instruction
b. set of instructions
c. used to arrange and sort data according to the requirement of user.
2. Which of the following are storage devices?
a. Ram
b. Usb
c. SSD
d. both b and c
3. DBMS stand for:
a. database management system
b. database manipulation system
c. database manage system
d. database master system
4. Which of the following are escape sequences?
a. \n
b. \r
c. \b
d. all of these
5. Which of the following are language translator?
a. assembler
b. interpreter
c. compiler
d. all of these
6. In Hexa decimal digit 9 is equivalent to ;
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a. H9
b. G9
c. E9
d. F9
7. Bits can be represented in :
a. 1
b. 0
c. 1s or 0s
d. none
8, Memory unit is one part of:
a. Ram
b. Rom
c. CPU
d. all of these
9. CU is a part of:
a. keyboard
b. Rom
c. CPU
d. hard disk
10. What does ‘bit rate’ refers to:
a. number of signals transmitters
b. number of bits processed per unit of time
c. number of data transmit in second.
d. none of above
11. In Ms Access which tool is used for data presentation:
a. form
b. query
c. report
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d. table
12. Following is based on read only:
a. Ram
b. hard disk
c. CD ROM
d. all of these
13. Data type used to store name:
a. int
b. float
c. char
d. all of these
14. A group of 8bits called:
a. nibble
b. word
c. byte
d. character
15. The software commonly used for editing and creating document is:
a. Ms excel
b. Ms word
c. Ms access
d. all of these
16. The full form of PC;
a. Personal computer
b. Personnel computer
c. Prospective computer
d. Parity computer
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17. What type of computers use the 8 bit code called EBCIDIC?
a. micro
b. mini
c. mainframe
d. super
18. Which statement is used to exit from an switch statement in c/C++?
a. continue
b. break
c. exit
d. close
19. Bar code is which type of device?
a. input
b. scanning
c. output
d. dual
20. What does resolution refer to in digital imaging ?
a. the size of image
b. the total size of file
c. the number of pixel in the image
d. all of these
21. What is the pictorial representation?
a. chart
b. graph
c. flowchart
d. diagram
22. BIOS stand for :
a. Basic input output system
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b. Basic input output serial
c. Basic input over system
d. Basic import output system
23. Which of the following types of topology has multi connections?
a. ring
b star
c. mesh
d. bus
24. Which logical operation returns true if and only if the two inputs are identical?
a. AND
B. OR
C. XOR
D. XNOR
A B XOR XNOR OR AND
0 0 0 1 0 0
0 1 1 0 1 0
1 0 1 0 1 0
1 1 0 1 1 1
25. Which logical operation returns true if and only if the two inputs are different ?
a. AND
B. NOR
C. XOR
D. XNOR
A B XOR XNOR NOR AND
0 0 0 1 1 0
0 1 1 0 0 0
1 0 1 0 0 0
1 1 0 1 0 1
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26 Functions that call itself:
a. Exit function
b. reverse function
c. recursive function
d. none
27. Which is a volatile memory:
a. RAM
B. CAHCE
C. ROM
D. both a and b
28. Which of the following component associated to 2 nd generation?
a. vacuum tube
b. transistors
c. IC
d. resistors
29. Which of the following symbol required for formula in Ms Excel:
a. ()
b. $
c. *
d=
30. The data transmission operation in two ways but not at the same time called:
a. serial
b. parallel
c. simplex
d. half duplex
31. Detecting , locating, correcting logical errors the following task are done in:
a. bug testing
b. desk checking
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c. translating
d. all of these
32. How many truth table entries are required for 4 operations:
a. 4
b. 8
c. 16
d. 12
33. Components of the computer communicate through:
a. monitor
b. buses
c. memory
d. operating system
34. Memory is a unit of:
a. input device
b. output device
c. CPU
d. monitor
35. Function in Ms Excel start with which symbol:
a. @
b. *
c. #
d. none of these
36. It is directly accessible by CPU:
a. cache memory
b. primary memory
c. virtual memory
d. none of above
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37. It interacts with not only web but also with computer’s operating system and with other
programs.
a. networking
b. web browsing
c. windows
d. none of above
38. It interacts with not only web but also with computer’s operating system and with other
programs.
a. networking
b. user interface
c. windows
d. none of above
39. Start button on desktop is place at the bottom or at the right side of window screen.
a. task bar
b. menu bar
c. tool bar
d. window bar
40. A bar appears at the bottom or at the right side of window screen is called:
a. task bar
b. scroll bar
c. tool bar
d. menu bar
41. Which of the following storage device does not require to defrag data?
a. tape media
b. magnetic disk media
c. chip memory
d. all of above
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41. Which of the following storage device require to defrag data?
a. tape media
b. magnetic disk media
c. chip memory
d. all of above
42. Which of the following is considered as the first search engine?
a. google
b. yahoo
c. Hotmail
d. Archie
43. Which logic gate produces a high output only when all inputs are low?
a. AND
b. NOR
c. NAND
d. XOR
44. Which logic gate is known as a universal gate?
a. AND
b. OR
c. XOR
d. NAND
45. The output of a NOR gate is 1 only when:
a. all inputs are 1
b. all inputs are 0
c. any one input is 1
d. inputs are different
46. Which of the following is not a valid data type in Ms Access?
a. text
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b. number
c. picture
d. currency
47. What is the default extension for an Ms Access database file.
a. .mdb
b. .accdb
c. .dbf
d. .xlsx
48.In Ms Access a relationship is established between:
a. fields
b. queries
c. tables
d. records
49. Which of the following is the major object of Ms Access/DBMS?
a. query
b. macro
c. table
d. forms
50. What is the maximum number of characters allowed in a short text field in Access?
a. 50
b. 100
c. 255
d. unlimited
51. How many elements are there in the 3D array?
Int arr[2][3][4]
a. 13
b. 39
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c. 24
d. 22
52. What will be the output of the following ?
int a[2][3]={2,3,4,5,6,7};
printf(“%d”,a[1][2]);
a. 6
b. 7
c. 8
d. 5
53. Which of the following is a valid hexadecimal number?
a. 2F3A
b. G456
c. 123H
d. 17.9H
54. What is the decimal equivalent of hexadecimal number 1A?
a. 16
b. 18
c. 30
d. 26
55. Which function in C can be used to print hexadecimal values?
a. %b
b. %d
c. %x
d. %hex
56. What comes after the hexadecimal number 9?
a. 10
b. A
c. 11
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d. B
57. Which memory has the fastest access time?
a. hard disk
b. RAM
c. cache
d. CD ROM
58. Which memory has the fastest access time?
a. hard disk
b. RAM
c. Register
d. cache
59. ROM is used to store:
a. temporary files
b. operating system only
c. permanent programs like BIOS
d. user files
60. Which memory is located closest to the CPU?
a. hard disk
b. RAM
c. cache
d. CD ROM
61. In which topology every device is connected to every other device?
a. star
b. mesh
c. bus
d. ring
62. Which network topology is the easiest to install and require less cable?
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a. mesh
b. star
c. ring
d. bus
63. Which topology combines characteristics of bus and star topologies?
a. ring
b. tree
c. mesh
d. grid
64. Which of the following is the most expensive toplogy?
a. star
b. mesh
c. hybrid
d. ring
65. Which of these is not a type of binary coding?
a. BCD
b ASCII
c. GRAY CODE
d. None of above
66. The input resolution of an image is measured by:
a. points per inch
b. pixels per inch
c. dots per inch
d. all of above
67. A standard business language is:
a. PL/1
b. Basic
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c. Cobol
d. Fortran
68. A stack is served on the principle of:
a. FIFO
b. LIFO
c. LILO
d. FILO
69. The special storage area built in the microprocessor is known as:
a. flash memory
b. register
c. RAM
d. cache memory
70. Which of the following computer is paved a way for modern computers?
a. UNIVAC
b. MARK 1
c. EDVAC
d. ENIAC
