Coding Systems 2 (analogue & digital data, sound files, MID)

Coding Systems 2 (analogue & digital data, sound files, MID)

11th Grade

10 Qs

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Coding Systems 2 (analogue & digital data, sound files, MID)

Coding Systems 2 (analogue & digital data, sound files, MID)

Assessment

Quiz

Computers

11th Grade

Medium

Created by

Ralph Ellis

Used 4+ times

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10 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

20 sec • 1 pt

What is the primary difference between analogue and digital data?

Analogue data is continuous, while digital data is discrete.
Analogue data is discrete, while digital data is continuous.
Analogue data cannot be converted to digital.
Digital data has no noise, while analogue data is perfect.

2.

MULTIPLE CHOICE QUESTION

20 sec • 1 pt

What does an ADC (Analogue to Digital Converter) do?

Converts digital signals to analogue signals.
Converts analogue signals to digital signals.
Changes the sample rate of digital data.
Converts sound waves into MIDI data.

3.

MULTIPLE CHOICE QUESTION

20 sec • 1 pt

Which of the following is NOT a function of a DAC (Digital to Analogue Converter)?

Converting digital data into an analogue signal.
Reproducing sound from digital formats.
Converting analogue sound waves into digital data.
Generating audio signals from digital sources.

4.

MULTIPLE CHOICE QUESTION

20 sec • 1 pt

What does the term "sampling rate" refer to in the context of digital sound files?

The number of bits used to store each sample.
The number of times per second a sound is sampled.
The volume level of each sample.
The total number of samples in a file.

5.

MULTIPLE CHOICE QUESTION

20 sec • 1 pt

How does increasing the sample rate affect the quality of a digital sound file?

Increases the number of samples taken per second, improving sound quality.
Decreases the number of samples taken per second, improving sound quality.
Increases the number of bits used for each sample, improving sound quality.
Decreases the storage size required for the file.

6.

MULTIPLE CHOICE QUESTION

20 sec • 1 pt

Which of the following defines "sample resolution" in digital audio?

The total number of samples in the file.
The number of bits used to represent each sample.
The number of times the sound is sampled per second.
The duration of the audio clip.

7.

MULTIPLE CHOICE QUESTION

20 sec • 1 pt

Which of the following factors directly impacts the file size of a digital sound file?

The number of channels, sample rate, and sample resolution.
The bit depth and the loudness of the sound.
The compression ratio and sample duration.
The type of speakers used to play the sound.

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