2) You are running a program that needs to access a 64KB array stored in memory, where each element is of size 4B. Your direct-mapped cache size is 64KB, with 211 lines. You access your array from the first element to the last in a loop. Initially, your cache is empty. a) What is the miss rate? b) Assume you double your cache size. What will happen to the miss rate? Increase Decrease Unchanged c) What will happen to the miss rate if you double your array size? . Increase . Decrease Unchanged