Question # 1

What dos "version control" in software development refer to?

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testing software before release

Writing the intial code for a software system

Managing changes to source code over time

Monitoring system uptime and performace

Which of the following Boolean expressions represents the OR operation

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A.B

A+B

A

A-B

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

Which approach is best when troubleshooting an unknown issue on a system.

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Guess the problem and take action

Change multiple system setting at once

Apply a systematic step-by -step approach

Format the system immediately

What is an example of a simple system?

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A Human body

Computer Network

A thermostal regulating temperature

The Internet

Which of the following is a key advantage of Unicode over ASCII?

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It uses fewer bits per character

It is backward compatible with binary

It is specific to the English language

It can brepresent characters from many different lanaguage

How does the Von Neumann architecturer differ from the Harvard architecture?

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Von Neumannhas separate memery for data and instructions, while Harvard shares the same memory.

Von Neumann stores data and instuctions in the same memory

Von Neumann has no control unit while Harvard does

Von Neumann is used in modern processors, while Harvard is outdated

After implementaing a solution what is the next step in the troubleshooting process?

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Document Findings, Actions, and outcomes

Establish a plan of action to resolve the problem

Veriry full system funcionality

Test the etheory to determine the cause.

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 numbers is a valid biary number

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1101102

1101 A

110.11

11011

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

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XOR operation

AND Operation

OR Operation

NOT Operation

Using loops inside loops is called ________ loops:

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for

while

do-while

nested

Which operator checks whether right and left operands are equal or not ?

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==

=

?

+-

Which format specifier is used for integer data type ?

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%d

%i

both a and b

none of these

Which operators require two operands to perform the operations ?

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unary

binary

ternary

all of these

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

______ is the unique identifiere, used ot refer to the array.

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Data type

Array name

Array size

None

In main function everything enclosed in:

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body

included files

curly braces

file

Which library file include in header section of program, when using getch() function ?

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conio.h

stdio.h

math.h

string.h

Which of the following is a type of operator ?

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assignment operator

arithmeticoperators

logicaloperators

all of these

How many characters can be stored in a char type variable ?

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1

3

4

2

Which name must begin with a letter or an underscore, it cannot begin with a digit ?

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character

variable

constant

string

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

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Audio

Video

Image

Text

Which device connects each computer to the network.

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Router

Network interface

Gate way

Bridge

Which of the following is not a type of page margin.

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Left

Right

Center

Top

Many products are designed by using:

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ATM

Robot

CAD

CAM

A word book is a group of.

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Table

Formulas

Sheets

Functions

How many worksheet are contained is a workbook by default.

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3

4

5

6

Which is a top domain

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HTTP

URL

HTML

.Com

Computer based weather forecasting depends on accurate collection of data from;

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Television

Weather stations

Radar

Antenna

Testing all program components together is called.

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Volume testing

Group testing

System testing

Composite testing

The computer on internet that contain websites are called.

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Central computers

Site computers

Client

Web server

Transferring information from computer is internet is called.

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Downloading

Uploading

Pasting

Downsizing

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