wayground logo

Free Printable Worksheets

Font size

S
M
L
XL
Worksheets

Communication

Total questions: 10

Worksheet time: 5mins

Name
Class
Date
1.

A cordless telephone is an example of

a)

duplex arrangement

b)

half duplex

c)

simplex arrangement

2.

Energy content of atmospheric noise

a)

does not depend on frequency

b)

decreases as frequency increases

c)

increases as frequency increases

d)

depends on temperature

3.

AM receiver have more noise at the output than the input because

a)

the quality of receiver is good

b)

receiver does not amplify noise

c)

receiver is an ideal device

4.

The normal range of human speech is

(a)  

5.

Identify Active Components

a)

Transistor

b)

Capacitor

c)

Resistor

d)

Integrator Circuits

6.

Identify Passive Components

a)
b)
c)
d)
7.

In (a)   communication data is transmitted only in one direction

8.

belongs to which element of communication system

a)

information source

b)

destination

c)

channel

d)

noise

9.

Noise figure is used to express noise in the receiver

a)

true

b)

false

10.

(a)   is used to express noise in the receiver