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Quiz No. 01 of The Course Communications Technology (ET-353)

Authored by Faisal Iqbal

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University

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Quiz No. 01 of The Course Communications Technology (ET-353)
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12 questions

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1.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Applications of L band are

Astronomy

Digital Audio Broadcasting

Satellite navigation

Mobile service

All of the Above

2.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

In a receiver, distortion can occur in ________

Mixer

Detector

IF amplifiers

Either mixer or detector or IF amplifiers

3.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

AM waves is represented by which equation?

[1 + m(t)].c(t)

[1 – m(t)].c(t)

[1 + m(t)].2c(t)

[1 + 2m(t)].c(t)

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Modulation is also called detection.

True

False

5.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

ISI stands for ________

Inter Symbol Interference

Inter Signal Interference

Inter System Interference

Inter Sound Interference

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Signal to noise ratio is calculated as signal voltage divided by noise voltage.

True

False

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

In a RADAR system the transmitter of the radar is more sensitive than the receiver.

True

False

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