AQA Computer Science GCSE: Compression & RLE

AQA Computer Science GCSE: Compression & RLE

10th - 11th Grade

10 Qs

quiz-placeholder

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AQA Computer Science GCSE: Compression & RLE

AQA Computer Science GCSE: Compression & RLE

Assessment

Quiz

Computers

10th - 11th Grade

Medium

Created by

Sam Knott

Used 123+ times

FREE Resource

10 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

10 sec • 1 pt

Which type of compression ensures that all of the data is kept?

Lossless

Lossy

2.

MULTIPLE CHOICE QUESTION

10 sec • 1 pt

Lossy compression removes data that isn't needed...

True

False

3.

MULTIPLE CHOICE QUESTION

20 sec • 1 pt

Compression makes file sizes...

Bigger

Smaller

Keeps them the same

4.

MULTIPLE CHOICE QUESTION

20 sec • 1 pt

An advantage of lossless compression is...

All data is lost

The file size stays the same

All of the important data is kept

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

A disadvantage of lossless compression is...

There is a big reduction in file size

There is only a slight reduction in file size

There is no reduction in quality

Cannot be used on text or software files

6.

MULTIPLE CHOICE QUESTION

10 sec • 1 pt

RLE is a type of compression

True

False

7.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

Media Image

The first line of this image in RLE would be...

8W, 1Bl, 20B, 1W

10B, 4Y, 17R, 2G

2G, 10P, 17Y, 2Bl

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