Question # 1

Which is group of eight bits, engough space to store sibgke ASCII character?

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Byte

Bit

GB

KB

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

Which systemss involve substances and their Interactions?

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Artificial

Chemical

Psychological

Biological

In software system , modularity refers to

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Using exeternal libraries in a project

Breaking a system into smaller manageable parts

Writing reusable code

Testing indivual components separately

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

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XOR operation

AND Operation

OR Operation

NOT Operation

ALU Stands for..........

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Arithmetic and Local Unit

Arithmetic and Legal Unit

Arithmetic and Logic Unit

None of these

Which of the following is an example of ensuring data integity through troubleshooting.

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Updating the operating system regularly

Identifyng a softwre bug that causes incorrect database results.

Using a ooling apad to prevent laptop overheating

Updating the operating system regularly

What is the purpose of establishing a plan of actionis troubleshooting?

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To identify the problem

To decide on the steps needed to resolve the issue

To verify full system functionality

To deterimine the cause of the problem

Which of the following is the first step in troubleshooting a system issue?

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Replace hardware componets

Idenfify the problem

Reinstall the operting system

Run a system update

Base of Octal Number system is.

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2

8

10

16

Whcih one of the example of Digital Signal?

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Binary

Sound Wave

11

00

Each elemet of an array has an _____ that can be used with the array name as array __ name.

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Index

array

for loop

simple variable

Which of the following is a valid line of code ?

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int = 20;

grade = 'A';

line = this is a line,

none of these

How many types of control statements are available in C language ?

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3

1

2

4

The statements which help us to decide whihc statements should be executed next, on the basis of conditions, are called.

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Error Control Statements

Selection statements

Sequential Control Statements

Repetition Control Statements

To declare character type variables in C, we use the keyword:

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int

char

float

positive

Char cd () { return 'a} , in this function " char" is............

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Bodies

Return type

Array

Arguments

Which function that is used to take input from the user.

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output

Input

Scan f

Print f

Computer programs are written in languages called:

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developer

software

engineer

programming languages

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

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programmer

firmware

engineer

composer

Output of the function is called its.

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Return values

Input

Output

Reader

We include header files in our program by writing the include statements at __________ of program:

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top

middle

end

section

The popular world processor is:

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MS-word

Wordpad

Notepad

None

The keyboard format that is most commonly used is the

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Qwerty

Dvoric

Twriter

Splitter

What is the difference between hardware and software

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Hardware is tangible but software is intangible

Hardware is metal but software is plastic

Hardware is permanent but software is temporary

Hardware is reliable but software is unreliable

The extension of an executable file is;

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.xis

.doc

.ext

.exe

A word processor can

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Copy text

Insert text

Find and replace text

All

All are guided media except;

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Fiber optic

Micro wave

Coaxial

Twisted pair

Deleting a character to the left of the cursor is accomplished by pressing the

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Dell Key

Back space key

End Key

Ctrl+del keys

How many worksheet are contained is a workbook by default.

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3

4

5

6

The vertical dimension of spreed sheet is called

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Record

Column

Row

Field

Which of the following is computer virus

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Chernobal

Logic bomb

Redlof

All

The bar that contains the name of program and document is.

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Menu bar

Title bar

Tool bar

Status bar

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