Question # 1

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

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10000

10110

10001

10100

Which is an example of primary memory ?

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Floppy disk

CD - ROM

Hard disk

RAM

(1,024) TB or (1,024)⁵ bytes is equal to:

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1 GB

1 TB

1 KB

1 PB

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

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Cell

Computer memory

Voltage

Non voltage

Hexadecimal system has total ______ numbers:

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17

16

15

18

Which number system has base 16 ?

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Decimal

Hexa decimal

Binary

Octal

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

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 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

Which is a group of eight bits, enough space to store single ASCII character?

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Byte

KB

Bit

GB

Which number system has base 2 ?

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Decimal

Hexa decimal

Binary

Octal

In Boolean algebra 'OR' operation is denoted by:

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*

/

+

.

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

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

According to _____ law there is no change in results if priority of expressions is changed:

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Associatative

Commutative

Duality

Complement

In primary and secondary storages, data is stored in the form of:

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Bytes

Bit

Nibble

GB

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

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

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

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Value

Boolean

Truth

Numeric

Hard drives, flash drives and memory cards are example of memory:

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Non-volatile

Volatile

Hard disk

Floppy disk

At least ______ byte is required to store any piece of information in a computer's memory:

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Five

Three

One

Two

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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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