GCSE Computer Science Sound

GCSE Computer Science Sound

10th Grade

10 Qs

quiz-placeholder

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GCSE Computer Science Sound

GCSE Computer Science Sound

Assessment

Quiz

Computers

10th Grade

Practice Problem

Medium

Used 262+ times

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10 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

Which is true of sound waves and computers?

Sound waves are analogue but computers only understand digital signals.

Sound waves are digital but computers only understand analogue signals.

Sound waves and computers both use digital signals

Sound waves and computers both use analogue signals

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

When recording a sound, computers take measurements at regular intervals. This is called

Interval selection

Parameters

Sampling

Digital signals

3.

MULTIPLE SELECT QUESTION

45 sec • 1 pt

When sampling sound waves, computers take various measurements such as (tick all)

loudness

frequency

quality of the music

genre

height/amplitude of sound wave

4.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

An audio CD is typically sampled at

44 times per second (44.1kHz)

4,410 times per second (44.1kHz)

44,100 times per second (44.1kHz)

44,100,000 times per second (44.1kHz)

5.

MULTIPLE SELECT QUESTION

45 sec • 1 pt

A higher sample rate means (tick all that apply)

A better quality/more accurate recording

A lower quality/less accurate recording

A larger file size required to store the final recording

A small file size required to store the final recording

6.

MULTIPLE SELECT QUESTION

45 sec • 1 pt

A lower sample rate means (tick all that apply)

A better quality/more accurate recording

A lower quality/less accurate recording

A larger file size required to store the final recording

A small file size required to store the final recording

7.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

A common method of reducing the size of a sound file is

reduction

compression

shortening

squishing

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