Memory Hierarchy Q.66

0. What is the minimum size of ROM required to store the complete truth table of an 8-bit × 8 bit multiplier?

Answer
Comment
Array

Option : B
Explanation : Input to ROM – 2 lines, 8 bit each.
Possible combinations in ROM – (2^8)*(2^8)
Size of truth table = (2^8)*(2^8)
= 2^16 = 64 KB
Maximum output size = 16 bit

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