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Worksheets

Analogue and Digital Signals

Total questions: 15

Worksheet time: 15mins

Name
Class
Date
1.

Is this digital or analog?

a)

Digital 

b)

Analog

2.

Is this digital or analog?

a)

Digital 

b)

Analog

3.

An analogue signal can have any value

a)

True

b)

False

4.

A continuous sound signal

a)

Analogue

b)

Digital

5.

An LP is an example of devise that stores analogue signals

a)

True

b)

False

6.

Analogue signals can vary in amplitude or frequency

a)

True

b)

False

7.

Is this an example of a digital or analogue format?

a)

Digital

b)

Analogue

8.

Is this an example of a digital or analogue format?

a)

Digital

b)

Analogue

9.

Needed so the computer can understand analogue sensor readings

a)

Digital to analogue converter (DAC)

b)

Analogue to digital converter (ADC)

c)

Sensor to digital conversion (SDC)

d)

Digital compression (DC)

10.

The signal above is an example of a(n)

a)

Digital Signal

b)

Analog Signal

11.

Which of the following best describes an analogue signal?

a)

A continuous signal that varies over time

b)

A discrete signal with fixed values

c)

A signal that only has two states

d)

A signal used only in digital computers

12.

What is the primary advantage of digital signals over analogue signals?

a)

Higher accuracy in representation

b)

Ability to represent infinite values

c)

Less susceptible to noise

d)

Easier to generate

13.

In which of the following applications would you most likely use an analogue signal?

a)

Measuring temperature with a mercury thermometer

b)

Storing data on a computer

c)

Sending data over the internet

d)

Performing calculations in a digital calculator

14.

Which device is used to convert an analogue signal into a digital signal?

a)

Analogue to digital converter (ADC)

b)

Digital to analogue converter (DAC)

c)

Signal amplifier

d)

Frequency modulator

15.

How does an analogue signal differ from a digital signal in terms of data representation?

a)

Analogue signals represent data in continuous form, while digital signals represent data in discrete form

b)

Analogue signals are always more accurate than digital signals

c)

Digital signals can only represent binary data, while analogue signals can represent any data

d)

Analogue signals are used in computers, while digital signals are used in radios