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R093 - LO4 TA4 - 4.2.4 File Compression

Total questions: 19

Worksheet time: 3mins

Name
Class
Date
1.

Using this method of compression results in significant reduction in file size

a)

Lossy

b)

Lossless

2.

Using this method of compression results in the loss of some of the original information in the file

a)

Lossy

b)

Lossless

3.

Using this method of compression results in digital artefacts such as pixelation and incorrect colours

a)

Lossy

b)

Lossless

4.

Using this method of compression results in no information being lost

a)

Lossy

b)

Lossless

5.

PNG uses this method of compression

a)

Lossy

b)

Lossless

6.

SVG uses this method of compression

a)

Lossy

b)

Lossless

7.

FLAC uses this method of compression

a)

Lossy

b)

Lossless

8.

WAV uses this method of compression

a)

Lossy

b)

Lossless

9.

JPG uses this method of compression

a)

Lossy

b)

Lossless

10.

MP3 uses this method of compression

a)

Lossy

b)

Lossless

11.

MP4 uses this method of compression

a)

Lossy

b)

Lossless

12.

In an image, individually-shaded pixels of a blue sky could be replaced with a single shade. What method of compression has been used?

a)

Lossy

b)

Lossless

13.

ZIP formats are used to compress files and folders

a)

True

b)

False

14.

One a file has been compressed using lossy compression, the data can be restored

a)

True

b)

False

15.

Lossy compression is useful for smaller file sizes which can lead to faster loading times

a)

True

b)

False

16.

Using lossless compression means that file sizes will generally be larger

a)

True

b)

False

17.

You're sending a high-resolution print file via a cloud-based folder, what method of compression should be used?

a)

Lossless

b)

Lossy

18.

You're uploading videos to a streaming website, what method of compression should be used?

a)

Lossless

b)

Lossy

19.

You're adding images to an eBook, what method of compression should be used?

a)

Lossless

b)

Lossy