Answer to Question #22878 in Engineering for Sujata Roy

Question

A Computer main memory can store 2^64 words where each word is 2 bytes long. Cache memory in computer can have storage of 128 words in one block and cache memory is 2^28, for memory mapping 4-way set associative technique is used. Computer generates 48 bit logical address. The number of bits for TAG, SET, OFFSET will be:
(a) 15,26,7
(b) 20,19,7
(c) 18,23,7
(d) None of these