What is the purpose of the CPU?

To process all the data and instructions.

To create PowerPoint presentations.

To provide power to the computer.

What are registers used for?

To temporarily hold bits of data needed by the CPU.

To check that students are in school.

To make sure that the CPU runs properly.

What is the main function of the boot program?

To get the computer up and running and get the operating system loaded.

To load programs that are being used.

A circuit that connect one part of CPU to other components.

What is meant by the term 'colour depth'?

Number of bits used to encode each pixel.

What does the bit rate of a sampled sound refer to?

The number of bits used for 1 second of audio

The number of bits used for every sample

The final file size of the sampled sound

The speed at which the sampled sound is played back

What is an operating system?

A program that manages the operations of the computer

A program that manages the fetch-decode-execute cycle

AQA GCSE computer science

Authored by Louise Lockwood

Computers

11th Grade

Used 347+ times

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30 questions

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MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the result of 7 MOD 5?

1.5

1.4

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the result of 10 DIV 3 ?

3.33

4.0

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

10 > 3 AND 6 < 8

TRUE

FALSE

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

5 == 6 OR 10 > 5

TRUE

FALSE

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which of these is NOT a type of compression?

Run Length Encoding

Huffman Coding

Encryption

Lossy

MULTIPLE CHOICE QUESTION

1 min • 1 pt

19 in binary is?

10000

10001

00001

10011

MULTIPLE CHOICE QUESTION

1 min • 1 pt

What is the aswer to this binary addition?
00110011 + 01000110

11001110

10000110

01111001

00011100

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