1.2 Data Rep: Sound

1.2 Data Rep: Sound

8th - 10th Grade

17 Qs

quiz-placeholder

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1.2 Data Rep: Sound

1.2 Data Rep: Sound

Assessment

Quiz

Computers, Other

8th - 10th Grade

Hard

Used 201+ times

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17 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Is 'real' sound analogue or digital?

Analogue

Digital

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

How is sound caused?
By playing it through a hi-fi with speakers
Vibrations travelling through air, water or metal.

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

The amplitude of a sound wave is....
How high the wave is from the crest or trough
The frequency at which it is sampled
The speed at which it travels through air

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

The pitch of the wave is shown by.....?
The closeness of the wave
The height of the wave

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Define what is meant by 'sampling'

Height of the wave is measured, at intervals and stored as binary.

The number of samples taken each second

 The number of bits used per second of audio

The amount of information required to describe one second of a sound.

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Define the term 'sample rate'.

Height of the wave is measured, at intervals and stored as binary.

The number of samples taken each second

 The number of bits used per second of audio

The amount of information required to describe one second of a sound.

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Define what is meant by 'bit depth'

Height of the wave is measured, at intervals and stored as binary.

The number of samples taken each second

 The number of bits used per second of audio

The amount of information required to describe one second of a sound.

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