Analogue data and digital data

Analogue data and digital data

2nd Grade

10 Qs

quiz-placeholder

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Analogue data and digital data

Analogue data and digital data

Assessment

Quiz

Computers

2nd Grade

Medium

Created by

Victoria Price

Used 18+ times

FREE Resource

10 questions

Show all answers

1.

MULTIPLE SELECT QUESTION

45 sec • 1 pt

Which of these are represented as analogue data?

Shade on a sun dial

Lines on a vinyl record

Sound of our voices

Sound from a acoustic instrument like a guitar

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is used to represent analogue sound as digital data?

The changing process

The sampling process

The testing process

The sound process

3.

FILL IN THE BLANK QUESTION

1 min • 1 pt

Sampling is where hardware, such as a microphone, measures the sound level several times per second and records this as __________ digits.

4.

FILL IN THE BLANK QUESTION

1 min • 1 pt

An analogue-digital (A/D) converter is an __________ circuit that converts continuous signals into discrete digital numbers

5.

FILL IN THE BLANK QUESTION

1 min • 1 pt

A digital-analogue (D/A) converter is an electronic circuit for converting a digital signal to an __________ signal (current, voltage or electrical charge)

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is digital data is a combination of?

1 and 0

1 and 2

2 and 3

3 and 4

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Black and white bitmap graphics use bit (1 or 0) to represent white (0) and black (1) dots. What are the dots are called?

Particles

Paper

Pixels

Paint

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