Digital Tech - Data Representation Quiz

Digital Tech - Data Representation Quiz

11th Grade

100 Qs

quiz-placeholder

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Digital Tech - Data Representation Quiz

Digital Tech - Data Representation Quiz

Assessment

Quiz

Computers

11th Grade

Practice Problem

Hard

Created by

D Budgen

Used 2+ times

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100 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is an example of analogue data?

Binary digits

Grooves in a vinyl record

Digital sound files

Computer code

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

How do computers represent data?

As continuous vibrations

As grooves on a disk

As a combination of 1 or 0 numbers

As sound waves

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the process called that converts analogue sound to digital data?

Encoding

Sampling

Decoding

Transmitting

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which of the following is NOT an example of analogue data?

Sound waves

Grooves on vinyl records

Binary digits

Acoustic instrument sounds

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Media Image

What does the blue line represent in the graph?

Digital samples

Analogue sound wave

Sampling frequency

Compressed data

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the typical sampling frequency used on most audio CDs?

22,000 times per second

33,000 times per second

44,000 times per second

55,000 times per second

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What happens to audio files when they are compressed?

Data is added to increase the size

Data is removed to reduce the size

Sampling frequency is increased

Analogue data is converted to digital

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