c

Question 4 (a) Consider the following 16-bit binary number: 1111 0101 1001 0001 What is this number in hexidecimal assuming a big-endian architecture? What is this number in hexidecimal assuming a little-endian architecture? [6 marks] (b) Solid state drives (SSDs) are increasingly being used to replace more tradi- tional Magnetic Hardrives. Briefly outline some advantages that SSDs have over magnetic drives. What are some disadvantages ? [4 marks] (C) When describing storage, what is meant by the terms: volatile and non- volatile? Give an example of each type of storage. [5 marks] (d) In the context of a computer's memory system, describe what a cache is, the principle of its operation, and how it can speed up memory access. [5 marks]