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Flashcards in CPU Deck (8)
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1
Q

Role of the CPU

A

The CPU processes data by fetching instructions from the memory, decoding the instructions and executing the instructions. It also controls all the component parts of a computer. E.g hard disk.

2
Q

Where is it located

A

Motherboard

3
Q

The main parts of a CPU

A
  • Control Unit
  • Arithmetic Logic Unit(ALU)
  • Registers
4
Q

Control Unit

A

It co-ordinates the sequence of data movements.
It controls data flow in the CPU.
It tells the memory and ALU how to respond to the instructions.

5
Q

Arithmetic Logic Unit

A

A unit in a computer which carries out arithmetic and logical functions.
The arithmetic part does mathematical operations.
The logic part deals with logic and comparisons.

6
Q

Registers

A

A fast and small, special type of memory in the CPU. They are used to temporarily store data, while a software program is running.

7
Q

Cache

A

It is an extremely fast type of ram in the CPU.

8
Q

CPU clock

A

A tiny crystal quartz inside the CPU that ticks while the CPU processes instructions. It is measured in Gigahertz (GHz).