Question # 1

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

Which protocol is used to send emails over the internet?

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POP3 (Post Office Protocol 3)

FTP (File Trnasfer Protocol)

SMTP (Simple Mail Transfer Protocol)

IMAP (Internet Message Access Protocol)

Which dterm describe software that is designed to adapt to changes in user needs?

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Portable software

Flexibel software

Robust software

Configurable software

ASCII stands for

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American Standard Code

Standard Insititute

Information code

American Standard Code for Information interchage.

What is a disadvantage of the Von Neumann architecture?

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Complex design due to separate memory spaces

Difficult to modify program stored in memory

Bottleeck due to single memory space for instructions and data

Lack of flexibility in executing instrucions

What does ADC represents?

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Analog Digital Conversation

Analog Digital Conversion

Analog Digital Convenient

All of these

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

Which of the following is an example of a Natural system.

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Banking System

Human Circulatory system

Transporation System

Computer System

Why is troubleshooting important in computing systems?

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It ensures hardware compoents are alsyws up to data

It prevents the need for data backups

It eliminates the need for software updates

It helps keep systems runnign smoothly and securely

Which protocol is responsible for assigning IP addresses to devices on a network?

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DNS (Domain Name system)

DHCP (Dynamic Host Configuration Protocol)

TCP (Transmission Control Protocol)

ARP (Address Resolution Protocol)

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

What is true about C language ?

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C is not a case sensitive language

keywords can be used as variable names

All logical operators are binary

none of them

Which format specifier is used for character data type ?

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%d

%i

%c

%f

An array is a __________ structure:

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loop

control

data

conditional

Which operator assigns the result of expression on right side to the variable on left side ?

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==

=

*

( )

Which are the values that do not change ?

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constants

variables

numeric

string

For initializing a variable, we use ________ operator:

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=

?

@

>

Which data type is used to store a real number ?

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float

negative integer

unsigned

original integer

Single-line comments start with:

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//

==

??

&&

Which is wrong return statement.

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Return x

Return (x,y)

Retrun (4,5)

Both b and c

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

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3

1

2

4

_______ structure allows repetition of a set of instructions:

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loop

conditional

control

data

Smallest unit of memory is

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A bit

A nibble

A byte

Zero byte

Which of the following coding scheme uses 4-bits code;

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ASC II

EBCDIC

BCD

Uni Code

Which of the following is not type of bus?

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Data bus

Time bus

Address bus

Control bus

Clip board in MS-Word stores.

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Entered text

Repeated text

Copied text

Deleted text

An identification location in memory where data are kept is called.

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Space

Cell

Address

Location

The capability of an operating system to load multiple programs into memory at one time is called;

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Multitasking

Multi programming

Multi processing

Multi executing

Which device connects each computer to the network.

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Router

Network interface

Gate way

Bridge

A________ is an automatic programmable machine.

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CAD

CAM

CBT

ROBOT

The cell range from A3 to G3 should be written as.

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A3-G3

A3 : G3

A3 : G3 '

A3 . G3

The device that connects multiple networks using similar or different protocols is;

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Router

Bridge

Gateway

None

Trojan Horse is a type of.

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Virus

Antivirus

Horse

Hacker

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