Question # 1

Which is an example of primary memory ?

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Floppy disk

CD - ROM

Hard disk

RAM

A device which holds the data as long as it has power supply connected to it is called:

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HDD

Storage

Volatile Memory

Non Volatile

The number system we use in our daily life is the:

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Decimal number system

Binary number system

Octal number system

Numeric

The smallest amount of data to be stored in computer's memory is a 0 or 1 is called:

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Byte

Bit

KB

GB

A number system is the system for representation of ______ data:

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Value

Boolean

Truth

Numeric

Which table is used to show whether the statement is true or false ?

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Value table

Boolean table

Truth table

Central table

Temporary memory is _________ and permanent memory is _______:

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Volatile, Non - volatile

Slow, Fast

Low, High

All of these

1 MB = ____ bytes:

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(1,024)⁵ bytes

(1,024) KB or (1,024)²

3000

400

In Boolean algebra plus sign is used for _________ operation:

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OR

AND

NAND

NOT

Which number system has base 10 as it uses ten digits from 0 to 9 ?

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Decimal

Heca

Binary

Octal

In Boolean algebra 'AND' Operation is denoted by:

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.

*

+

/

To convert a decimal number to hexa decimal, we divide the number by _______ and take quotient and remainder:

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8

16

2

12

The binary value of the letter "A" is 01000001 and its decimal value is:

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67

66

69

65

ASCII stands for:

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American Standard code

American Standard Code for Information Interchange

Information code

Standard institute

1 KB = _________ bytes:

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1,024

200

300

400

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9th Class Computer Chapter 2 Fundamentals of Operating Systems English Medium KPK Boards Online Mcqs MCQs With Answers

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