2.1.2 - Describe primary memory.

Question 1

What is primary memory?

Answer 1

Primary memory is the only storage that is directly accessible by the CPU. It holds both data and instructions that are currently running on the computer system.

Question 2

What are the two types of primary memory?

Answer 2

The two types of primary memory are RAM (Random Access Memory) and ROM (Read Only Memory).

Question 3

What are four similarities between RAM and ROM?

Answer 3

Both are types of main memory, directly accessible by the CPU, store instructions for the CPU to execute, and are faster to access than secondary storage.

Question 4

What are three differences between RAM and ROM?

Answer 4

ROM is read-only while RAM is read and write, RAM stores instructions and data for the CPU to access and execute while ROM stores permanent instructions for booting up, and RAM is volatile while ROM is non-volatile.