Question # 1

In a half-adder circuit, the carry is generated by which operation?

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XOR operation

AND Operation

OR Operation

NOT Operation

What is the primary function of an perating system.

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To createedocuments

To perform calculations

To design graphics

To manage hardwar resources and provide a user interface

What is the primary difference between signed and unsigned integers?

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Unsigned integers cannot be negative

Signed integers have a larger range

Unsigned integers are stored in floating -point format

Signed integers are used for positive numbers

What does trouleshooting help prevent by quickly identifying and resolving issues?

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Downtime and lost productivity

The need for regular maintences

The need for professional help

the need for software updates

Which of the following is an example of a hybrid system (combination of natural and artificial system)?

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Human respiratory system

A weather forecasting system

A dam controlling river water flow

A simple pendulum

What concept does thetheory of system aim to understand.

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Hardware design

System interactions and development over time.

Software applications

Net work security

What type of environment remins unchanged unless the system provides an output.

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Dynamic

Static

Deterministic

Non-deterministic

Which of the following is an imput device?

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Monitor

Printer

Keybord

Speaker

Single Precision use.....bits?

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30

31

32

None of these

The smallest amout of data to be stored in computer's memory is a 0 OR 1 is called

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Byte

Bit

GB

KB

Pixel Stands for?

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Picture Identitiy

Picture Element

Picture Digit

None of these

Which can be thought of as grammar of a programming language ?

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syntax

rules

english

programming

Which format specifier is used for float data type ?

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%d

%i

%f

%c

How many types of comments in C language are ?

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1

2

3

6

In which control all the statments are executed in the given dequence.

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Error Control Statements

Selection ctonrol statemetns

Repetition cotrol statements

Sequential Control Statements

These are the values without a decimal point:

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integer constants

stringconstants

characterconstants

singleconstants

Which of the following is header file ?

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void main()

getch()

#include<stdio.h>

none of these

The person who knows how to write a computer program correctly is known as:

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programmer

firmware

engineer

composer

____________ can be thought of as a container to store constants:

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box

jar

variable

collection

Which of the following is not a valid variable name ?

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height

9A

f_name

average

If we want to assocate more than one statements to an if statement, then they need to be enclosed inside a.

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()

{ }

*

:

Which is approach of good problem solver.

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Divide

Divide and conquer

Simple problem

Complex problem

The devices that receives data.

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Soruce

Sink

Transmitter

encoder

Which of the following is not the component of CPU

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Control Unit

Register

ALU

Primary Memory

What come after the Analysis phase in SDLC?

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Implementation

Costing

Design

Coding

Which of following type of data is used to display actions and movements

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Audio

Video

Image

Text

The component of computer that executes the instruction is called.

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CPU

RAM

Cache Unit

Mother Board

________ is an example of defector standard.

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SNA

ANSI

ISO

IEEE

OMR technology used to read the test mark of.

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SAT

GRE

MICK

Both a and b

Computer at home can be used for

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Keeping records

Making budgets

Watching movies

All

Each cell can contain a

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Label

Value

Formula

All

Add new hardware option exists in

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Main menu

Taskbar

Status bar

Control panel

_______ Character are represented by Uni code.

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45536

55536

65536

75536

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