2.1.3 - Explain the use of cache memory.

Question 1

What is cache memory?

Answer 1

Cache memory, also called cache, is a memory system that temporarily stores frequently used instructions and data for quicker processing by the CPU.

Question 2

Why is cache memory used?

Answer 2

Cache memory is used to store the information from RAM that is most actively used and accessed frequently, making the computer system run faster by reducing the need to access the slower main memory.

Question 3

What are the differences between cache memory and RAM?

Answer 3

Cache memory is nearer to the CPU than RAM, much faster than RAM, and more expensive than RAM.

Question 4

How is cache memory organized?

Answer 4

Cache memory is separated into L1 and L2 caches.