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NAT I Computer Science Computer MCQs With Answers

Question # 1

Which of the following object is used to retrieve from database and present in a formatted way?

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Report

Form

Table

Query

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Question # 2

Which of the following is the most common protocol used for E-mail?

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FTP

POP

SMTP

Jpeg

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Question # 3

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

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Question # 4

A database consists of various components called the

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Tool

Properties

Entities

Object

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Question # 5

The protocol developed by IBM for its mainframe computers is named

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De facto

SNA

X.25

De hure

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Question # 6

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

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Question # 7

In C every valid string ends with

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Null character

0 (zero)

1 (one)

String

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Question # 8

Which of the following type of file requires largest processing time?

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Sequential file

Random file

Indexed sequential file

Direct access file

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Question # 9

An input device that has a ball on its bottom that is rolled on a flat surface is called

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Trackball

Mouse

Touch pad

Digitizing/graphic table

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Question # 10

The statements following else in an if-else construction are executed when

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The conditional expression following if is false

The conditional expression following if is true

The conditional expression following else is false

The conditional expression following else is true

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Question # 11

Global variables are created in

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RAM

ROM

Hard disk

Cache

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