1) In a hypothetical system with 1024 bytes of main memory, 128 bytes of cache, blocks of 32-byte size, with direct-map (S = 1) placement policy and LRU replacement policy, answer each of the following questions: e) Determine the hit ratio in running each of the following program segments (each instruction occupies a word): (briefly show your work) i) (10 pts) a sequence of 100 consecutive instructions starting from address x148 with each instruction executed once in order ii) (10 pts) a loop of 32 consecutive instructions starting at location x148 and is iterated 20 times iii) (10 pts) a loop of 64 consecutive instructions starting at location x148 and is iterated 20 times