Question # 1

Temporary memory is _________ and permanent memory is _______:

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Volatile, Non - volatile

Slow, Fast

Low, High

All of these

Which is a physical device capable of strong information temporarily or permanently ?

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Cell

Computer memory

Voltage

Non voltage

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

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Decimal

Heca

Binary

Octal

To convert a hexadecimal number to binary, simply covert each hexadecimal digit to _______ digits binary value:

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Four

Two

Three

Five

Which number system has base 16 ?

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Decimal

Hexa decimal

Binary

Octal

Any computing hardware that is used for strong, porting and extracting data, is called a:

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Storage device

ROM

PROM

SRAM

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

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8

2

16

12

A __________ is a sentence that can either be true or false:

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Algebra

Variable

Proposition

Constant

Number "17" is equal to ______ in binary system:

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10000

10110

10001

10100

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

1 KB = _________ bytes:

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1,024

200

300

400

Which number system has base 10 ?

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Binary

Decimal

Hexadecimal

Octal

The order of application of two separate terms is not important in:

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Associative Law

Commutative Law

Distributive Law

Identity Law

A device which can hold data even if it is not connected to any power source is called:

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Non- Volatile Memory

Volatile Memory

Both A and B

Central memory

As soon as the power supply is disconnected, all the data in _________ is cleared:

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RAM

ROM

Hard disk

Floppy disk

1 GB = (1,024) MB or ______ bytes:

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(1,024)⁵bytes

(1,024) KB or (1,024)²

8

(1,024)³

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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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