Question

How many comparators present in the direct mapping cache?

(a) 3

(b) 2

(c) 1

(d) 4

I had been asked this question by my college director while I was bunking the class.

This intriguing question originated from Size of Cache topic in portion Memory Systems of Embedded Systems

Answer 1

The correct answer is (c) 1

For explanation: The direct mapping cache have only one comparator so that only one location possibly have all the data irrespective of the cache size.