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MCQ

How many class A, B, and C network IDs can exist?

2113658

16382

126

128

None of the above

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Synchronous protocols

transmit characters one at a time

allow faster transmission than asynchronous protocols do

are generally used by personal computers

are more reliable

None of the above

Discussion

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An error-detecting code inserted as a field in a block of data to be transmitted is known as

Frame check sequence

Error detecting code

Checksum

flow control

Discussion

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Sales persons and other employees of the company who spend much of their time away from their offices but keep in touch with their company's microcomputers or main frame computers over telephone lines are called

field workers

telecommuters

teleprocessors

company directors

None of the above

Discussion

MCQ

Now-a-days computers all over the world can talk to each other. Which is one of the special accessories essential for this purpose?

Keyboard

Modem

Scanner

Fax

None of the above

Discussion

MCQ

Devices on one network can communicate with devices on another network via a

file server

utility server

printer server

gateway

None of the above

Discussion

Banking

Engineering

General

Medical

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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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