Question # 1

---------- is used to store program and data white these are being executed

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ROM

RAM

Hard disk

CD

The Ionc variable is initialized

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Inside the loop

Outside the loop

Either inside or outside the loop

At the end of loop

All of the following are true of the simplex mode except

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A sender can only send signals

It is the most commonly used communication mode

Receiver can only receiver signals

In business computers are used in

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Marketing

Stock exchanges

Banks

All of the above

A decision-making operator is called

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Arithmetic operator

Assignment operator

Conditional operator

Logical operator

If an entity is connected to many other entities then the relationship is called

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One to one relationship

One to many relationship

Many to many relationship

Bubble Chart

The method in which unauthorized access is prevented by providing a key,badge,token or a plastic card to authorized users is called

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What you have

What you know

What you do

What you are

How many tables are present in a database?

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1

10

100

As required

Which of the following can be passed to a function via arguments?

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Constants

Variables (with values)

Expressions

Preprocessor directives

An entity related to itself in an ERD model refers to

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Recursive relationship

One-to-many relationship

Many-to-many relationship

One-to-one relationship

If scanf function (&) represented as

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Relational operator

Logical operator

Address operator

Precedence operator

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NAT I Computer Science Computer MCQs With Answers

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