Memory & Storage (image, sound & compression)

Quiz
•
Computers
•
10th Grade
•
Medium
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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