The Fetch Decode Execute Cycle

Lesson PowerPoint

Lesson Activity 

Exam Practice

1. What do the initials CPU stand for? ( 1 mark)

2. List three components of the CPU (3 marks) 

3. In relation to computer architecture, what are buses? (3 marks) 

4. Describe the function of the following in the fetch-execute cycle. (1 mark each)

(a) Program counter

(b) The address bus

(c) The data bus

(d) The decoder

(e) The Arithmetic and Logic unit

5. Describe the stages of the fetch-execute cycle, stating the components involved and their functions in the cycle. (6 marks)