CompSys - S2 - The CPU Quizizz

Central Processing Unit

Computer Processing Unit

Central Program Unit

Computer Program Unit

To execute instructions and calculations

To store data permanently

To display graphics

To connect to the internet

Checking emails

Printing documents

Connecting to Wi-Fi

Charging the battery

By working in cycles

By storing data

By displaying images

By connecting to networks

Decode

Fetch

Execute

Store

Fetch

Decode

Execute

Store

The instruction is brought to the CPU

The CPU works out what the instruction is

The instruction is carried out

The instruction is stored

Graphics Processing Unit

Arithmetic Logic Unit

Sound Card

Network Interface Card

To perform arithmetic operations

To store data temporarily

To manage and coordinate the activities of the CPU

To generate clock signals

The Clock

CPU Memory

Arithmetic Logic Unit

The Control Unit

It stores data

It performs logical operations

It synchronizes the operations of the CPU

It manages input and output devices

Seconds

Hertz

Meters

Watts

10 instructions per second

100 instructions per second

1 instruction per second

1000 instructions per second

300 instructions per second

3000 instructions per second

30 instructions per second

30000 instructions per second

Instructions are executed slower

Instructions are executed quicker

Instructions are executed at the same speed

Instructions stop executing

Memory Unit

Control Unit

Arithmetic Unit

Input Unit

On the motherboard

On the CPU

In the hard drive

In the power supply

Rarely used data

Frequently used data

Archived data

Deleted data

Increases data transfer speeds

Reduces data transfer speeds

Increases power consumption

Reduces processing power

It is very slow

It is very expensive

It is unreliable

It is difficult to access

2

4

6

8

2

4

6

8

Twice as many

Three times as many

Four times as many

Five times as many

More RAM

Software designed for multi-core processing

Higher clock speed

Larger storage capacity

It will run faster

It will not run at all

It will not be done any faster

It will use more power