wayground logo

Free Printable Worksheets

NEW

Font size

S
M
L
XL
Worksheets

Principles of Electronic Communication ; A review

Total questions: 10

Worksheet time: 4mins

Name
Class
Date
1.

A complete communication system must include

a)

a modulator, demodulator and a channel

b)

a transmitter, a receiver, and a channel

c)

a transmitter, a receiver, and a antenna

d)

a multiplexer, a demultiplexes, and a channel

2.

The process of modifying a high frequency carrier with the information to be transmitted is called the

a)

Multiplexing

b)

Detection

c)

Modulation

d)

Demodulation

3.

Continuous voice or video signals are referred to as being

a)

baseband

b)

analog

c)

digital

d)

continuous wave

4.

______ data are continuous and take discrete values

a)

digital

b)

analog or digital

c)

analog

d)

none of the choices

5.

____ signals can have an infinite number of values in a range

a)

Analog

b)

Digital

c)

analog or digital

d)

none of the choices

6.

An information that can be sent directly and unmodified over the medium or can be used to modulate a carrier for transmission over the medium is referred to as______

a)

Baseband Signal

b)

Broadband Signal

c)

Fiber Optic

d)

Fiber Optic

7.

This is referred to as collection of electronic components and circuits that accepts the transmitted message from the channel and converts it back into a form understandable by humans.

a)

Transmitter

b)

Receiver

c)

Medium

d)

Channel

8.

Many transmissions are of signals that originate in digital form but must be converted to analog form to match the transmission medium. This statement is

a)

True

b)

False

9.

It is made up of oscillators, amplifiers, tuned circuits and filters, demodulators, frequency mixers, frequency synthesizers, and other circuits that converts into form suitable by the medium

a)

Transmitter

b)

Receiver

c)

Chanel

d)

Medium

10.

The process of modifying a high frequency carrier with the information to be transmitted is called the

a)

Multiplexing

b)

Detection

c)

Modulation

d)

Demodulation