Menu

Question Discussion & Solution

MCQ

Q.

Which encoding method uses alternating positive and negative values for 1s?

A

NRZ-I

B

RZ

C

Manchester

D

AMI

Community Discussion

No discussions yet. Be the first to start!

You must be logged in to participate in the discussion.

Login to Discuss

Similar Questions

MCQ

1.

The _____ scheme uses data patterns of size 2 and encodes the 2-bit patterns as one signal element belonging to a four-level signal

A

4B5B

B

2B1Q

C

MLT-3

D

none of the above

Discussion

MCQ

2.

The data rate is sometimes called the ___ rate

A

baud

B

bit

C

signal

D

none of the above

Discussion

MCQ

3.

. _______ conversion is the process of changing one of the characteristics of an analog signal based on the information in the digital data.

A

Digital-to-analog

B

Analog-to-analog

C

Analog-to-digital

D

Digital-to-digital

Discussion

MCQ

4.

In ________, the amplitude of the carrier signal is varied to create signal elements. Both frequency and phase remain constant.

A

ASK

B

PSK

C

FSK

D

QAM

Discussion

MCQ

5.

In decoding a digital signal, the receiver calculates a running average of the received signal power, called the _______

A

baseline

B

base

C

line

D

none of the above

Discussion

More Data Communication and Computer Network Topics

Data Communication and Computer Network Basics

30 MCQs

Network Models

47 MCQs

Data and Signals

27 MCQs

Transmission

74 MCQs

Multiplexing

17 MCQs

Transmission Media

82 MCQs

Error Detection and Correction

27 MCQs

Data

298 MCQs

Network Addressing

76 MCQs

Network Layer Internet Protocols

19 MCQs

Nework Layer Routing

68 MCQs

Process

71 MCQs

Congestion Control and Quality of Service

40 MCQs

Domain Name System

26 MCQs

Remote Logging, Mail and File Transfer

43 MCQs

WWW and HTTP

28 MCQs

Network Management

20 MCQs

Multimedia

30 MCQs

Network Security

85 MCQs

Mixed

10 MCQs

Introduction to Computer Networks

0 MCQs

Networks Layers and Models

0 MCQs

Network Devices

0 MCQs

Fundamentals of Mobile Communication

0 MCQs