Edexcel GCSE Computer Science Topic 3 b
Authored by Pete Dring
Computers
3rd Grade
CCSS covered
Used 41+ times
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27 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Sound waves must be samples to create digital sound. A sample is...
a measure of amplitude at a point in time
the number of samples taken per second
the file size of an image
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
When recording sound, the number of samples recorded per second is called the:
sample rate
sample resolution
colour depth
File size
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
To calculate the size of a sound file:
colour depth * resolution
sample rate * sample resolution * length in seconds
number of samples * sample rate
sample resolution squared
4.
MULTIPLE SELECT QUESTION
30 sec • 1 pt
Increasing the sample rate of a recording will result in...
Higher-quality sound recording
Increased file size
Better compression
Higher colour depth
Increased amplitude
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
how many bits are in 2 kilobytes?
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
A byte is
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
In computing, a bit is
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