Question # 1

Expression (A + B ) . ( A + C ) is equal to:

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A + (B . C)

A . B + A . C

A . (B . C)

A + ( B + C)

DHCP stands for:

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Data Hosting Computer Protocol

Dynamic Host Computer Protocol

Dynamic Host Configuration Protocol

None of the above

In Boolean algebra 'AND' Operation is denoted by:

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.

*

+

/

Which table is used to show whether the statement is true or false ?

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Value table

Boolean table

Truth table

Central table

Which number system consists of 0s and 1s ?

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Decimal

Hexa

Binary

Octal

Receiver is a device that receives a message also called:

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Message

Main

Center

Sink

In this method, we have a substitution key that is combined with the plaintext to generate the ciphertext:

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Vigenere Cipher method

Simple method

Complexmethod

Roundmethod

Ceaser was a Roman politician and military general who played a critical role in the rise of the:

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Asia Empire

Roman Empire

American Empire

Pakistan Empire

1 GB = (1,024) MB or ______ bytes:

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(1,024)⁵bytes

(1,024) KB or (1,024)²

8

(1,024)³

A ________ is a computer device that accesses a service made available by a server:

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Client

Server

Device

Machine

Unordered list each item of the list generally starts with a:

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Number

Bullet

Character

Colon

Words which have special meaning in language are called:

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simple word

englishword

reservedwords

commonwords

Assigning value to variable for the first time is called:

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initiation

variable initialization

variable

string constant

Which format specifier is used for character data type ?

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%d

%i

%c

%f

Which statement is used to execute one set of instructions if a particular condition is true and another set of instructions if the condition is false ?

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if

if else

else

loop

An______ is a data structure that can hold multiple values of same data type.

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Loop

Array

For loop

Index

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a++;

a--;

both (a) and (b)

none

Which is used to convert high level programming language into machine language ?

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compiler

C language

code programming

internal programming

Which symbol is used to represent the AND operator ?

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&&

||

+

!

printf is to used print _________ type of data:

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int

float

char

all of them

Which operators require two operands to perform the operations ?

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unary

binary

ternary

all of these

These are the values without a decimal point:

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integer constants

stringconstants

characterconstants

singleconstants

The ITU was formerly known as.

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CCITI

ISO

IBM

SNA

DPI stands for.

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Decimal per inch

Digits per inch

Dot per inch

Data per inch

Which is not De Jure Standard?

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SNA

IEEE

ANSI

ISO

The physical layout of LAN is known as

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Topology

Hub

Link

None

Which of the following is related to business.

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Marketing

Stock Exchange

Bank

All of these

Which is the storage device.

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Clock

CPU

BUS

Floppy

Windows explorer is used to;

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Access the Internet

Explore the System resource

Perform maintenance on the hard disk

Navigate files and folders on the computer

Two different networks can be joined by.

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Gateway

Bridge

Cables

Network interface card

The Length of IP address.

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4- bits

16- bits

32 - bits

64- bits

Printers and monitors are common forms of:

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Input unit

Output unit

Storage unit

Processing unit

What layer of OSI model performs data compression.

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Network

Data link

Presentation

Physical

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