IBDP G11
Practice Questions
Unit 1 Computer Fundamentals
1. Describe two applications of GPUs other than graphics rendering. [3 marks]
2. Describe how GPUs contribute to enhancing video game experiences. [3 marks]
3. Describe the roles and characteristics of registers and cache memory within a
computer system. [4 marks]
4. a. Outline the role of ROM in a computer system. [2 marks]
b. Compare ROM with volatile memory types, referring to data preservation and
access during power cycles. [3 marks]
5. Describe the primary functions of the data bus during the execute phase. [3
marks]
6. Describe how the control bus facilitates the interaction between the CPU and
memory
7. during a read operation from memory. [3 marks]
8. Evaluate the impact of bus architecture (address, data and control) on the
performance of CPU operations. [4 marks]
9. Explain how data is stored and accessed on an optical disc. [6 marks]
10.Describe the advantages of using NAS in a multi-device environment. [3 marks]
11.Describe the differences between internal HDDs and eMMCs in terms of
performance and use. [3 marks]
12.Evaluate the use of external SSDs for data backup compared to using flash
drives. [5 marks]
13.Evaluate the impact of the physical limitations of NAND flash memory on the
14.performance and longevity of storage devices like SSDs and eMMCs. [5 marks]
15.Write each hexadecimal number as a decimal number.
● 2A
● 1B4
● 1M
16.Change FFF,; to a decimal number.
17.Change each decimal to a hexadecimal number.
● 26
● 398
18.Write 204010 as a hexadecimal number.
19.A security system activates an alarm if both a motion sensor and a door sensor
are activated simultaneously. Draw a suitable truth table for this system.
20.Construct a truth table for this logic statement:
21.(AAND B) ORNOTC.
22.
23.An automatic watering system for plants that should only activate under two
conditions: it is daytime and either the soil moisture is low or the temperature is
high. Create a logic diagram based on this problem.
