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PPSC Computer Science Chapter 18 Network Online Test MCQs With Answers

Question # 1

Sending a file from your personal computer's primary memory or disk to another computer is called.

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Uploading

Down loading

Logging on

Hang on

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Question # 2

What is the minimum number of wires needed to send data over a serial communication link layer.

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Question # 3

When the computer provides the manager with multiple choice of possible answers, the prompting technique is.

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Question and answer

Form filling

Open ended question

Menu selection

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Question # 4

What is the name of the software package that allows people ot send electronic mail along a network of computers and work stations.

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Memory resident package

Protect management package.

Data communication package

Electronic mail package

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Question # 5

Which data communication method is used to transmit the data over a serial communication link.

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Simplex

Half duplex

Full duplex

None

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Question # 6

The communication mode that supports two way traffic but only one direction at a time is.

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simplex

Duplex

Half duplex

Multiplex

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Question # 7

A communication device that combines transmissions from several I/O devices into one line is a.

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Concentrator

Modifier

Multiplexer

Full duplex line

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Question # 8

Error detection at a data link level is achieved by

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Bit stuffing

Cycle redundancy codes

Hamming codes

Equalization

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Question # 9

Most data communications involving telegraph lines use.

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Simple lines

Wideband channel

Narrow band channel

Dialed service

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