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MCQ

Demodulation is a process of

converting analog to digital signals

converting digital to analog signals

multiplexing various signals into one high speed line signals

performing data description.

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MCQ

Modulation is the process of

converting analog signals to digital signals

converting digital signals to analog signals

Multiplexing various signals into high speed line signals

performing data encryption.

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MCQ

Eight stations are competing for the use of a shared channel using the 'Adaptive tree Walk Protocol'. If the stations 7 and 8 are suddenly become ready at once, how many bit slots are needed to resolve the contention?

7 slots

5 slots

10 slots

14 slots

None of the above

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MCQ

Working of the WAN generally involves

telephone lines

microwaves

satellites

All of the above

None of the above

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MCQ

RS-232-G

is an interface between two data circuit terminating equipment as examplified by a local and remote modem

is an interface standard between Data terminal Equipment and Data Circuit Terminating Equipment

specifies only the mechanical characteristics of an interface by providing a 25-pin connector

requires only 7 pin out of 25 in order to transmit digital data over public telephone lines

None of the above

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MCQ

Business meeting and conferences can be held by linking distantly located people through a computer network. Not only the participants exchange information but are able to see each other. What is it called?

Telemeeting

Telemailing

Teleconferencing

Teletalking

None of the above

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Engineering

General

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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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