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NAT I Computer Science Computer MCQs With Answers

Question # 1

Data communication requires a

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Sender

Receiver

Medium

All of the above

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Question # 2

Which of the following can be used to join similar types of networks?

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Bridges and repeater

Bridges and routers

Repeaters and gateways

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Question # 3

As compared to a command line operating system a GUI operating system is:

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More efficient

Easier to use

More reliable

All of the above

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Question # 4

The function getche () is defines in:

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Stdio.h

String.h

Math.h

Conio.h

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Question # 5

Each attribute of an entity set has a particular value The set of possible values that a given attribute can take is called its

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Range

Domain

Relationship

Association

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Question # 6

If scanf function (&) represented as

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Relational operator

Logical operator

Address operator

Precedence operator

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Question # 7

Pointing devices include

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Mouse

Trackball

Pointing stick

All of the above

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Question # 8

Which of the following toolbox is used to display a builder for the selected item or property?

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Properties

Build

Help

Code

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Question # 9

A system in which data can be received and sent simultaneously is called

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Simplex

Half duplex

Full-duplex

Multi-duplex

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Question # 10

Global variables are created in

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RAM

ROM

Hard disk

Cache

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Question # 11

In relational database a table is also called is

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Tuple

Relation

File

Schema

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