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review answer pt.2

Authored by lira belle

English

University

Used 1+ times

review answer pt.2
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91 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the bandwidth required to transmit at a rate of 10 Mbps in the presence of a 28-bd S/N ratio?

1.075 MHz

10 MHz

5 MHz

10.5 MHz

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

The slope of the analog signal is greater than the delta modulator can maintain

overload distortion

granular noise

slope overload

peak limiting

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

A carrier recovery is needed with

FSK

BPSK

DPSK

QAM

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Pulse – amplitude modulation signals are multiplexed by using

Subcarrier

Bandpass filters

A/D converters

FET switches

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

The biggest disadvantage of PCM is

its inability to handle analog signals

the high error rate which is quantizing noise introduces

its incompatibility with TDM

the large bandwidths that are required for it

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Mark and space refer respectively to

dot and dash

message and interval

binary 1 and binary 0

on and off

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Pulse width modulation may be generated

by differentiating pulse position modulation

with a monostable multivibrator

by integrating the signal

with a free running multivibrator

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