Memory & Storage (image, sound & compression)

Memory & Storage (image, sound & compression)

10th Grade

10 Qs

quiz-placeholder

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Memory & Storage (image, sound & compression)

Memory & Storage (image, sound & compression)

Assessment

Quiz

Computers

10th Grade

Medium

Created by

Robert Appleton

Used 18+ times

FREE Resource

10 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

James is a graphic designer. He has created an icon set of 20 icons for a project. The icons are uncompressed images of 96x96 pixels in 8-bit colour. Explain how the approximate file size can be calculated for the icon set.

96x96

96x96 * 8

96*96 * 8*20

96*96 * 8*20*10%

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

State how many different colours can be stored using 6-bit colour.

32

64

255

128

3.

MULTIPLE SELECT QUESTION

45 sec • 1 pt

MP4 compression is used to store the video clip on the hard disk of the server. State what is meant by the term “compression”. (select all that apply)

makes "stuff" smaller

makes "things" smaller

Reduces the number of bits

makes the file size smaller

4.

MULTIPLE SELECT QUESTION

45 sec • 1 pt

Describe two advantages of the streaming service using compression.

The video clip will transfer to the user more quickly

The video clip will transfer to the user more slowly

Requires less storage capacity

Requires more storage capacity

5.

MULTIPLE SELECT QUESTION

45 sec • 1 pt

State one potential disadvantage to using compression.

The resolution of the video will be affected.

The file size may be increased

The quality of the video may be reduced.

The video will not be affected.

6.

FILL IN THE BLANK QUESTION

1 min • 1 pt

This type of compression will cause no loss in quality.

7.

FILL IN THE BLANK QUESTION

1 min • 1 pt

This type of compression will cause a loss in quality.

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