Question # 1

What is the primary function of a system.

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To work independently

To achieve a common goal

To create new systems

To provide entertainment

Which of the following is a example of preventive maintenance for a computer system.

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Replacing a faulty hard drive

Removing malware after infection

Restarting the sytem when it freezes

Applying software updaes regularly

Basic Arthemetic Operation like addition subtractio are performed by?

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ALU

CU

UDP

All of these

In digit system 0 epresents?

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OF

OFF

ON

All of these

Which systemss involve substances and their Interactions?

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Artificial

Chemical

Psychological

Biological

Why are operating system updates important?

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They increase screen berightness

They enhance security and fix bugs

They improve battery life

They add more fonts

Whcih of the following is an example of identifying a problem in troubleshooting.

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Testing a laptop battery by plugging in the power cord

Noticing that a laptop does not turn on when the power button is pressed

Witting down that a laptop battery was replaced

Coming up with a plan to replace a laptop battery

Whcih one of the example of Digital Signal?

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Binary

Sound Wave

11

00

Binary Arithmetic operations.use.................?

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Addition

Subtraction

Multiplication

All of these

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.

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

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XOR operation

AND Operation

OR Operation

NOT Operation

Which symbol is used to represent the NOT operator ?

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array can be initialized _______ declaration:

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at the time of

after

before

both a & b

The process of feeding or storing the instruction in the computer is known as:

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computer program

software

hardware

computer programming

How many parts C language program is divided ?

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1

3

2

4

How many types of comments in C language are ?

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1

2

3

6

Which of the following is escape sequence ?

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\n

\t

\a

all of these

How many types of selection structure.

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1

2

3

4

_______ structure allows repetition of a set of instructions:

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loop

conditional

control

data

Multi-line comments start with;

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?* and end *?

/==/

/??/

/*and end at */

___________ is a software that is responsible for the conversion of program files to machine understandable and executable code:

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compiler

editor

ide

debugger

Which operator is used to assign a value to a variable ?

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Assignmentoperator

arithmeticoperator

logicaloperator

all of these

Which type of memory is non volatile and can not be changed by the User

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DRAM

SRAM

ROM

None of these

The music and speech represent

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Image

Text

Numeric

Audio

How many pairs of computer can simultaneously communication an Ethernet Lan.

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1

2

3

Multiple

Software that is available free for a limited period is called;

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Freeware

Groupware

Shareware

Vertical

Which of the following is not an example of system software.

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Drivers

Operating system

Utility program

MS office

The bar which contains the name of active application is known as:

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Menu Bar

Title Bar

Scroll Bar

Status bar

Most applications of robotics are in which area

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Science

Manufacturing

Education

Farming

Which of the following is not type of bus?

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Data bus

Time bus

Address bus

Control bus

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

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A3-G3

A3 : G3

A3 : G3 '

A3 . G3

Which is the word processor.

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MS. EXCEL

MS . Word

Photoshop

MS- Power point

Which of the following viruses executes when starting the computer

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Macro

File infector

Boot sector

Salami shaving

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