Communication Devices Quiz-1

Question 1

The frequency range of 300KHz to 3000KHz is known as

Accepted Answer

Medium frequency

Answer

Low frequency

Answer

High Frequency

Answer

Very High frequency

Question 2

Noise is added to a signal in a communication system

Accepted Answer

In the channel

Answer

At the receiving end

Answer

At transmitting end

Answer

During regeneration of the information

Question 3

A transponder is a satellite equipment which

Accepted Answer

All of these

Answer

Receives the signal from earth station and amplifies it

Answer

Changes the frequency of received signal

Answer

Retransmits the received signal

Question 4

The quality of space link is measured in terms of ........ ratio

Accepted Answer

C/N

Answer

S/N

Answer

G/T

Answer

EIRP

Question 5

CDMA rejects

Accepted Answer

Narrow band interference

Answer

Wideband interference

Answer

Both Narrow band interference and Wideband interference

Answer

None of these.

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