GCSE J277 - Computer Systems and The CPU Keyword Quiz

The physical part of a computer system, e.g. keyboard, CPU, etc.

The programs that a computer system runs, e.g. operating system, games, web browser, etc.

Computers built into other devices, usually as control systems. E.g. they could control dishwashers, microwaves, sat navs.

A component where a computer processes all data and instructions

A component which controls the flow of data in and out of the CPU. Manages the fetching, decoding and execution of instructions

A component which does all calculations, including addition, subtraction, multiplication and division. It also performs binary shifts and logic operations

A component which stores regularly used data for quick access.  It is low capacity and expensive.

A component which temporarily holds small amounts of data. They're extremely fast to read/write to

Allows more fetch-decode-execute cycles to be carried out per second

The number of instructions a single processor core can carry out per second