Answer all the questions below. Support your answers with diagrams if possible.

a) Investigate the components of a microprocessor. Explain their functions. (10 marks)

b) Produces fewer error during transmission and permits higher transmission rate are both advantages of the digital signal. Analyze the reason for these advantages and compare these factors in analog transmission. (10 marks)

c) Describe the cache hierarchies and how does each level influence the performance of the computer system. (10 marks)