Question

For a cache look up to be a Hit, which of the following must be true?

(a)Tag==Block Number and Valid Bit = 0
(b)Tag==Block Number and Valid Bit = 1
(c)Tag==Block Offset and Valid Bit = 0
(d)Tag==Block Offset and Valid Bit = 1

Answer 1

Answer Tag==Block Number and Valid Bit = 1