data storage definitions

Question 1

Boot process

Answer 1

A set of instructions that is executed once the computer is switched ON.

Question 2

Cache

Answer 2

A small memory part located closer to the CPU compared to RAM, to temporarily hold data and instructions that the CPU is likely to use frequently.

Question 3

Central processing unit (CPU)

Answer 3

A CPU consists of a control unit, ALU, and cache memory. It is responsible for the processing of the instructions given to a computer.

Question 4

Latency

Answer 4

The time taken by components to respond to a request.

Question 5

Memory

Answer 5

The part of the CPU where data and programs are stored.

Question 6

Non-volatile memory

Answer 6

A type of memory that keeps its contents safe even when the power is switched off.

Question 7

Primary memory

Answer 7

A type of memory that is accessed directly by the CPU.

Question 8

RAM

Answer 8

Random Access Memory. A temporary memory which stores data, files and parts of the operating system that are currently in use.

Question 9

Register

Answer 9

High-speed data storage areas in the computer.

Question 10

ROM

Answer 10

Read Only Memory. A permanent memory that is used to store the instructions that are executed once the computer is switched ON.

Question 11

Volatile memory

Answer 11

A type of memory whose contents are erased when the power is switched off.