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NAT I Computer Science Computer MCQs With Answers

Question # 1

To enter the same data into current record

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Ctrl + '

Ctrl+ "

Ctrl + :

Ctrl + ;

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Question # 2

The function getche () is defines in:

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Stdio.h

String.h

Math.h

Conio.h

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Question # 3

CTRL + ALT +Del is

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An invalid key combination

Recognized by windows

Used to close the active window

Both b and c

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Question # 4

Which of the following functions is used to write a string to a file?

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Puts()

Pute()

fputs()

fgets()

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Question # 5

Retrieval of information with database is

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Slow

Normal

Faster

Both a and b

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Question # 6

Which of the following represents a collection of concepts that are used to describe the structure of a database?

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Data warehouse

Data model

Data structure

Data type

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Question # 7

A database consists of various components called the

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Tool

Properties

Entities

Object

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Question # 8

The method by way of which we can repeat a part of program is

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Using a for statement

Using a do-while statement

Using a while statement

Using a if-then-else statement

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Question # 9

Propagation of signals across a communication medium is known as

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Signaling

Transmission

Broadcasting

Dissemination

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Question # 10

CPU is an example of

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Software

Hardware

A program

An output

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Question # 11

The method of reading characters written in magnetized ink is:

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Bar-code reader

MICR

OMR

OCR

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