Week 2

Week 2

1st Grade

10 Qs

quiz-placeholder

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Week 2

Week 2

Assessment

Quiz

Engineering

1st Grade

Hard

Created by

Omar Salih

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10 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

A full duplex communications system can communicate in both directions but only in one direction at any one time.

True

False

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

The shown system is full duplex.

True

False

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

A multiplexer changes the flow of the signal from parallel to series. True or False?

True

False

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Pulse Modulation is _______.

A method of varying the amplitude, frequency, or phase of a pulse train.

A technique used to increase the bandwidth of a signal.

A process of converting analog signals to digital signals.

A method of reducing noise in communication systems.

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

The monitored triplex redundancy system in aircrafts can survive _______.

Failure of one component

Failure of two components

Complete system failure

No failure

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

A voice signal has frequencies between 5 kHz and 20 kHz. What is the bandwidth of this signal?

15 kHz

25 kHz

10 kHz

20 kHz

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

A voice signal has frequencies between 5 kHz and 25 kHz. What is the bandwidth of the AM modulated signal of 30 MHz?

20 kHz

30 kHz

25 kHz

5 kHz

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