1. Describe the significance of ‘binary arithmetic’ towards the evolution of modern computer systems. [15 Marks]

2. Describe in detail TWO of the following computing related concepts. [30 Marks]

a. Encryption

b. Problem-solving

c. Multiprocessing

d. Storage

e. Integrated circuit

f. Multiprogramming

g. Bus interconnection

3. Describe the main functional units of a computer’s CPU, support your answer with appropri- ate illustrations. [10 Marks]

4. What is computer architecture design? [10 Marks]

a. Give an example of one architecture and outline its key features

5. Illustrate and describe each layer of the memory hierarchy [20 Marks] nd Operation

6. Describe the differences between an assembly language and a programming language [5 Marks]

7. Briefly illustrate and describe the CPU cycle [10 Marks]