Question # 1

In Boolean algebra 'AND' Operation is denoted by:

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.

*

+

/

Which language is understood by the computer ?

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Binary

Hill

High level

Middle level

Which is an example of primary memory ?

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Floppy disk

CD - ROM

Hard disk

RAM

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

All the characters on your keyboard has an associated code in binary. This code is called:

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BCD

Unicode

ASCII

EBCDIC

Hexadecimal system has total ______ numbers:

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17

16

15

18

Which number system consists of 0s and 1s ?

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Decimal

Hexa

Binary

Octal

An inverter is called a:

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AND

NAND

NOT

NOR

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

Which is used to assemble more than one propositions into one proposition ?

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Literal

Simple proposition

Proposition

Compound proposition

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

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Byte

KB

Bit

GB

Temporary memory is _________ and permanent memory is _______:

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Volatile, Non - volatile

Slow, Fast

Low, High

All of these

Digital computers store data in ________ form:

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Numeric

Decimal

Octal

Binary

Which number system has base 10 ?

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Binary

Decimal

Hexadecimal

Octal

Every proposition takes one of two value true or false, and these values are called:

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Algebra

Variable

Proposition

Truth values

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

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Associatative

Commutative

Duality

Complement

"Is it cold outside" is:

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Boolean Proposition

Categorial Propostion

Moral Proposition

None of above

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

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

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Decimal

Heca

Binary

Octal

1 MB = ____ bytes:

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(1,024)⁵ bytes

(1,024) KB or (1,024)²

3000

400

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

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Bytes

Bit

Nibble

GB

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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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