Question $5(6$ points$)$

With respect to cache memory answer the following three questions:

A$.$

True$/$False

Cache memory is smaller, cost less, and is faster than main memory.

B$.$

In one sentence each, define:

Cache hit: $\backslash (\backslash$square $\backslash )$

Cache miss:

C$.$

True $/$ False

The main idea of memory hierarchy is that storage at one level serves as a cache for storage to the next lower level.