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MCQ

A remote batch-processing operation in which data is solely input to a central computer would require a:

telegraph line

simplex lines

mixedband channel

All the above

None of the above

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Error detection at a data link level is achieved by

bit stuffing

cyclic redundancy codes

Hamming codes

equalization

None of the above

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Bandlimited signal is

transmission of signals without modulation

a signal all of whose energy is contained within a finite frequency range

simultaneous transmission of data to a number of stations

All of the above

None of the above

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Which of the following is an important characteristic of LAN?

application independent interfaces

unlimited expansion

low cost access for low bandwidth channels

parallel transmission

None of the above

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Which of the following statement is correct?

Satellite transponders use a higher frequency for reception of radiation from earth stations and lower frequency for transmission to earth stations.

Satellite transponders contain a device that echos the radiation without change from one point on earth to another

Satellite transponder contain devices that transform the message sent from one location on earth to a different code for transmission to another location

satellite transponders us lower frequency reception of radiation from earth stations and higher frequency for transmission to earth stations

None of the above

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MCQ

Which of the following digits are known as the sub-address digits (for use by the user) of the Network User Address (NUA)?

05-Jul

01-Apr

08-Dec

13-14

None of the above

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Data Communication and Networking

Miscellaneous or General

Computer Basics

Computer Softwares

History and Generations

CPU and its components

Computer Languages

Computer Hardware

Input Devices

Output Devices

Computer Memory

Digital Logic Gate

Number System

Computer Codes

Operating System

Disk Operating System (DOS)

Database Systems

Computer Security and Viruses

Mixed

Computer Awareness

Files and its types

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