Question 1

a) For each of the following cases, state whether SRAMs or DRAMs would be more appropriate building blocks for the memory system, and state why. Assume that there is only one level of internal memory. [2 marks]

a. A memory system where performance is the most important goal.

b. A memory system where cost is the most important factor.

2) Some processors use memory mapped I/O where I/O devices are in the same address space as main memory. Others have separate I/O address space and separate instructions. Give TWO(2) advantages and TWO(2) disadvantages of each. [4 marks]

3) Define Parallel Processing. Describe TWO(2) main difficulties in Parallel Processing. [4 marks]