Question # 1

Whcih of the following best descibes an artificial system?

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A system hat exists naturally without human intervention

A system that is created, designed and controlled by humans

A system that cannot be modified once created

A system that alwyas operates automatically

Which systemss involve substances and their Interactions?

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Artificial

Chemical

Psychological

Biological

Which component of the computer system is responsible for temporarily strong data and instructions while the CPU processes them?

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RAM (Random Access Memory)

ROM(Read -only Memory)

Hard Dis Drive(HDD)

Graphics Processing Unit (GPU)

In Von Neumannarchitecture, which component is responsible for controlling the flow of instructions and data?

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Arithmetic Logic Unit (ALU)

Control Unit(CU)

Cache Memory

Input/Output devices

OR operation yields 1 output when at least of........of the input is true.

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0

00

1

10

How may bytes are used to store a typical integer?

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1 byte

2 bytes

4 bytes

8 bytes

BIT Stand for?

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Binary Digit

Binary Integer

Binary Terms

Binary Value

In Binary 1s Presents.................?

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OFF

OF

ON

None of these

What role do device drivers play ina computer system.

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Enhane Graphic performance

Create presentations

Manage Files

Facilittate communication between hardware devices and the operating system

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

What is the primary goal of software design in system development?

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Testing the software

Defining the system architectures

Writing code

Minimizing system errors

Which from the following describes the types of constant that can be stored in variable ?

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character

data type

variable

constant

How many keyword (Reserve words) are ?

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28

29

32

31

Which language was developed by Dennis Ritchie ?

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Java

C

Python

COBOL

If the definition of called function appears before the definition of calling functiion, then ...... is not required.

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Function signature

Call

Read

Function

A list of words that are predefined and must not be used by the programmer to name his own variables are known:

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auto words

reservedwords

restrictedwords

predefinedwords

Statements that are ignored by the compiler and do not get executed:

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read only

comments

enclosed in braces

curly braces

Which provides us the basic platform to write and execute programs ?

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tools

programming environemtn

designer

programming languages

Which operators are used to perform arithmetic operations on data ?

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assignmentoperator

arithmeticoperator

logicaloperator

relational operators

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

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character

variable

constant

string

The operator % is used to calculate __________:

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percentage

remainder

factorial

square

getch() is used to take ________ as input form user:

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int

char

float

all of them

The extension of MS-Word file is;

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.wrd

.xis

.jpg

.doc

Security protection for personal computers include:

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Internal Components

Lock and Cables

Software

All of these

Which key removes the character to the left of cursar.

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Alt

ESC

Delete

Back Space

An IP address uses;

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4 bits

16 bits

32 bits

256 bits

Which one is harmful for computers?

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Antivirus

Virus

Free ware

Shareware

Which is harmful for computer.

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Antivirus

Virus

Free ware

Share ware

A collection of Raw facts and figures is called:

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Data

Information

Processing

None of these

The music and speech represent

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Image

Text

Numeric

Audio

Each cell in a spreadsheet has a unique;

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Row

Column

Address

Row and column

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

A bar code system is also known as.

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CPU

Straight lines

Vertical lines

Horizontal lines

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