question have multiple answer

the caches are useful because

A.CPU can faster access it than main memory.

B.Can provide faster data transfer between 2 components.

C.cache is large so we can store a full program there which allows us to execute it fast.

D.cache is smaller and faster than registers because it is part of the main memory.

Disadvantages of the cache are:

A.Too big

B.Inconsistent

C.Expensive.

D.It is a part of the main memory so overlap can occur

E.Too small

F.No disadvantages