1. How far do you agree with the following statements? Justify your answer by being as concise as possible: a. A superscalar processor must necessarily have a Harvard architecture. [5 marks] b. Cache would not have improved computer performance drastically if computer programs did not use iteration or arrays. [5 marks] 2. Calculate the apparent speed of memory for a hypothetical system, if local memory has a 15-microsecond delay and a cache memory with a delay of 10-nanosecond with 15% miss rate? [10 marks] 3. Assume you have to do the laundry, which consists of three steps: washing which takes 35 minutes per load, drying takes 45 minutes per load and ironing takes 20 minutes per load. If you had 10 loads and had a 3-stage pipeline: a. Calculate the time to complete all 10 loads? (8 marks] b. Determine the overall throughput? [4 marks]