Computer Science for IGCSE & O level - Hardware (Section 1 - No. 2)
What is a common disadvantage of using cache memory?
It is always faster than main memory.
It is more expensive than main memory for the same amount of storage.
It is larger than main memory.
It is less reliable than main memory.
Shpjegimi
Cache memory, while faster, is more expensive than main memory (RAM).