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Understanding Analog and Digital Signals

Total questions: 10

Worksheet time: 5mins

Name
Class
Date
1.

A Digital Signal is:

a)

a continuous signal that varies over time

b)

a discrete signal that has specific values at specific times

c)

a signal that can only be used in analog devices

d)

a type of noise in communication systems

2.

An Analog Signal is:

a)

a continuous signal that varies over time

b)

a discrete signal with distinct levels

c)

a digital representation of data

d)

a type of noise in communication

3.

What type of signals are continuous and vary with time?

a)

A) Digital Signals

b)

B) Analog Signals

c)

C) Binary Signals

4.

What type of signals are sent as wave pulses representing zeros and ones?

a)

A) Digital Signals

b)

B) Analog Signals

c)

C) Radio Signals

5.

Fill in the blank: Digital signals carry ______ information per second than analog signals.

a)

more

b)

less

c)

equal

d)

no

6.

What are some advantages of digital signals?

a)

They are less susceptible to noise and interference.

b)

They require more bandwidth than analog signals.

c)

They are more difficult to encrypt.

d)

They have a continuous range of values.

7.

What is an example of an analog signal?

a)

A) Digital clock

b)

B) AM/FM Radio

c)

C) Binary code

d)

D) LED display

8.

Fill in the blank: Analog signals are continuous ______ that vary with time.

a)

signals

b)

waves

c)

frequencies

d)

currents

9.

What does FM stand for?

a)

Frequency Modulation

b)

Fast Mode

c)

File Manager

d)

First Move

10.

Digital signals are sent as wave pulses representing zeros and ones. What is this code called?

a)

Binary Code

b)

Morse Code

c)

ASCII Code

d)

Hexadecimal Code