Common CPU Components

Question 1

What is the Control Unit (CU)

Answer 1

Has Several Functions: Does the FDE Cycle, Issues control signals that control hardware in the CPU and transfers data and instructions around the system

Question 2

What is the Arithmetic Logic Unit (ALU)

Answer 2

The ALU has two main functions: Performs the arithmetic and logic calculations and acts as a gateway between primary and secondary storage

Question 3

What is Cache?

Answer 3

It is a small amount of high speed RAM/Random Access Memory, built directly within the processor

Question 4

What is Clock?

Answer 4

It is what coordinates everything in the computer. It sends out electrical impulses to do this

Question 5

What is the frequency of Clock Speed?

Answer 5

It is measured in Hertz (Hz), Today computers tend to be around 3-5 GigaHertz (GHz)

Question 6

What are Buses?

Answer 6

High speed internal connection, used to send control signals between the processor and other components

Question 7

What is the Address Bus?

Answer 7

Carries the address from the processor to other components

Question 8

What is the Data Bus?

Answer 8

Carries the data between the processor and other components

Question 9

What is the Control Bus?

Answer 9

Carries control signals between the processor and other components