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Computer Awareness Quiz

Total questions: 212

Worksheet time: 2hrs 3mins

Name
Class
Date
1.

What are the components of a computer?

a)

Programming Languages

b)

Input/output devices

c)

Types of Operating Systems

d)

Computer Memory

e)

Central Processing Unit (CPU)

2.

How are characters, integers, and fractions represented in computers?

a)

Binary

b)

ASCII

c)

Hexadecimal

3.

What operations are involved in binary arithmetic?

a)

Addition

b)

Subtraction

c)

Division

d)

Multiplication

e)

Two's complement arithmetic

4.

What are the types and functions of operating systems?

4 lines
5.

What are the components of a computer?

a)

Central Processing Unit (CPU)

b)

Types of Operating Systems

c)

Programming Languages

d)

Computer Memory

e)

Input/output devices

6.

How are characters, integers, and fractions represented in computers?

a)

Binary

b)

ASCII

c)

Hexadecimal

7.

What operations are involved in binary arithmetic?

a)

Subtraction

b)

Addition

c)

Two's complement arithmetic

d)

Division

e)

Multiplication

8.

What are the types and functions of operating systems?

a)

Evolution of operating systems

b)

Types of operating systems

c)

Functions of an operating system

d)

Modern operating systems

9.

____________ language uses Mnemonic codes.

a)

Assembly

b)

Machine

c)

High level

10.

A/an __________ converts a high level language program into machine language,line by line.

a)

Assembler

b)

Compiler

c)

Interpreter

11.

Java language is the example of _________ languge

a)

First generation

b)

Second generation

c)

High level

12.

________________ is the process of writing specific instructions in a computer language.

a)

Linking

b)

Programming

c)

Processing

13.

__________ translate programs written in Assembly language into Machine Language.

a)

Compilers

b)

Translator

c)

Assemblers

14.

Machine Language is a -------- language.

a)

4th Generation

b)

3rd Generation

c)

1st Generation

d)

2nd Generation

15.

"High Level languages (HLL) are not machine-dependent". The statement above means:

a)

They have a sentence-like structure

b)

they are closer to natural languages

c)

they can be used on different types of computers

d)

they are easy to learn

16.

The only language understood by the digital devices is...

a)

assembly language

b)

linking language

c)

translation language

d)

machine language

17.

Microwaves, washing machine, medical equipment, cameras, toys and airplanes are some of the appliances/ machines which use ...

a)

Personal Digital Assistants

b)

Embedded Systems

c)

Micro Computers

d)

Wearable Computers

18.

Which type of computer is used for weather forecasting?

a)

Super Computers

b)

PDA

c)

Mainframe Computers

d)

Wearable Computers

19.

PARAM is an example of __________.

a)

Mini Computers

b)

Microcomputers

c)

Supercomputers

d)

Mainframe computers

20.

Which computer language does not require any translation?

a)

Machine Language

b)

Assembly Language

c)

High-Level Language

d)

Fourth-Generation Language

21.

What is full form of CPU

a)

Control Processing Unit

b)

Central Processing Unit

c)

Coral Processing Unit

d)

Cova Processing Unit

22.

1 MB is equal to

a)

1024 KB

b)

1024 Byte

c)

1024 Bits

d)

8 Bits

23.

What is Extension of MS Word

a)

.doc

b)

.xls

c)

.ppt

d)

.txt

24.

What is full form of CD

a)

COVID Disk

b)

Corona Disk

c)

Compact Disk

d)

Calculative Disk

25.

Which is not input device

a)

Printer

b)

Mic

c)

Scanner

d)

Mouse

26.

Which is not a Software

a)

Python

b)

Adobe Acrobat Reader

c)

Tally

d)

MODEM

27.

Who developed C Language

a)

Harmanpreet Singh

b)

Tony Dhawan

c)

Dennis Ritchie

d)

Sharukh Khan

28.

Which is not Operating System

a)

DOS

b)

LINUX

c)

WINDOWS

d)

ZINUX

29.

The first generation of computers primarily utilized which technology?



a)

Integrated Circuits

b)

Vacuum Tubes

c)

Transistors

d)

Microprocessors

30.

ENIAC, the first general-purpose electronic digital computer, belonged to which generation of computers?




a)

First Generation

b)

Second Generation

c)

Third Generation

d)

Fourth Generation

31.

The IBM System/360 mainframe computer series is an example of which generation of computers?




a)

First Generation

b)

Second Generation

c)

Third Generation

d)

Fourth Generation

32.

What technology distinguishes the fourth generation of computers?




a)

Vacuum Tubes

b)

Transistors

c)

Microprocessors

d)

Nanotechnology

33.

ULSI((Ultra Large Scale Integration) technology is used in

a)

Fourth Generation computers

b)

Third Generation Computers

c)

Second Generation Computers

d)

Fifth Genration computers

34.

What component of a computer is responsible for executing instructions and performing calculations?




a)

Central Processing Unit (CPU)

b)

Random Access Memory (RAM)

c)

Hard Disk Drive (HDD)

d)

Graphics Processing Unit (GPU)

35.

Which of the following is a primary storage device that temporarily stores data while the computer is running?




a)

Hard Disk Drive (HDD)

b)

Solid State Drive (SSD)

c)

Optical Drive

d)

Random Access Memory (RAM)

36.

Which part of the computer is used to permanently store data, even when the power is turned off?

a)

Random Access Memory (RAM)

b)

Central Processing Unit (CPU)

c)

Optical Drive

d)

Hard Disk Drive (HDD)

37.

The motherboard is a critical component of a computer system because it:

a)

Stores data permanently

b)

Processes instructions

c)

Connects all other components together

d)

Displays graphics

38.

Which programming language is often used for scientific computing, data analysis, and machine learning?

a)

Java

b)

Python

c)

C#

d)

Swift

39.

Which Statement is not correct for the operating system?

a)

Operates a computer

b)

Controls the overall activities of a computer

c)

it acts as an intermediary between the user and the computer

d)

it is a temoporary memory

40.

What is the role of Cache Memory in the CPU?

a)

Store frequently accessed data and instructions for faster access

b)

Perform mathematical calculations

c)

Control the flow of data within the CPU

d)

Execute input and output operations

41.

WWW stands for

a)

World Whole Web

b)

Wide World Web

c)

Web World Wide

d)

World Wide Web

42.

Which of the following are components of Central Processing Unit (CPU)

a)

Arithmetic logic unit, Mouse

b)

Arithmetic logic unit, Control unit

c)

Arithmetic logic unit, Integrated Circuits

d)

Control Unit, Monitor

43.

Full form of URL is

a)

Uniform Resource Locator

b)

Uniform Resource Link

c)

Uniform Registered Link

d)

Unified Resource Link

44.

In which of the following form, data is stored in computer

a)

Decimal

b)

Binary

c)

HexaDecimal

d)

Octal

45.

What is full form of GUI in terms of computers

a)

Graphical user Instrument

b)

Graphical unified Interface

c)

Graphical unified Instrument

d)

Graphical user Interface

46.

What is full form of ALU

a)

Arithmetic logic unit

b)

Allowed logic unit

c)

Ascii logic unit

d)

Arithmetic least unit

47.

Which is most common language used in web designing

a)

C

b)

C++

c)

PHP

d)

HTML

48.

Which among following is commonly used language in Android applications

a)

C

b)

C++

c)

JAVA

d)

PHP

49.

BIOS is used for

a)

Updating system information on network

b)

Loading operating system

c)

It helps in routing

d)

It take inputs from keywords and other devices

50.

Which type of software is an operating system

a)

Utility Software

b)

System Software

c)

Application Software

d)

Firmware Software

51.

Microsoft office is type of

a)

System software

b)

Application software

c)

Utility Software

d)

Firmware

52.

One nibble is equal to how many bits

a)

4 bits

b)

8 bits

c)

12 bits

d)

16 bits

53.

What is meaning of OMR

a)

Optical Message Reader

b)

Optical Message Render

c)

Optical Mark Reader

d)

Optical Mark Render

54.

You need a scanner to ... documents and pictures.

a)

print

b)

scan

c)

install

d)

load

55.
Convert 128 to binary
a)
10000000
b)
01111110
c)
10000001
d)
11001100
56.
Convert 00010001 to decimal
a)
17
b)
27
c)
37
d)
47
57.
If a binary number ends with a 1, it must be...
a)
An odd number
b)
An even number
c)
A prime number
d)
The number 12
58.

The number system that contains both alphabets and numbers is _________________.

a)

Octal Number System

b)

Hexadecimal Number System

c)

Binary Number Sytem

d)

Decimal Number System

59.

What kind of 'base' system is binary known as?

a)

Base 12

b)

Base 8

c)

Base 2

d)

Base 10

60.

Which number system uses the digits 0 through 9 to represent numbers?

a)

Binary Number System

b)

Decimal Number System

c)

Octal Number System

d)

Hexadecimal Number System

61.
Which of the following is not a DBMS despite having database capabilities:
a)
Microsoft Excel or similar spreadsheets
b)
Oracle
c)
MySQL
d)
Microsoft Access or similar
62.

A database management system (DBMS) is a collection of programs that enables users to

a)

create a database

b)

manipulate a database

c)

both create and manipulate a database

d)

for storing data only

63.

can a primary key be null

a)

yes

b)

no

64.

The number of rows in a relation

a)

degree

b)

tuple

c)

cardinality

d)

domain

65.

Repetition of data is called data ..............

a)

dependance

b)

redundancy

c)

inconsistency

d)

isolation

66.

A ............ is an organized collection of structured data.

a)

information

b)

file

c)

database

d)

DBMS

67.

A relational database consists of a collection of ..............

a)

tables

b)

fields

c)

records

d)

keys

68.

In relational data model, the total number of rows can be identified as ______________________ .

a)

Cardinality

b)

Degree

c)

Attribute

d)

Entity

69.
What language does the Relational Model use?
a)
Java
b)
Python
c)
SQL
d)
C++
70.
RDBMS
a)
Relational Database Basic Management System
b)
Relational Database Management System
c)
Required Database Management Setup
d)
None of these
71.

which of the following functions is referred as complementary?

a)

NAND

b)

NOR

c)

OR

d)

NOT

72.

A NAND gate is called a universal logic element because

a)

All digital computers use NAND gates

b)

All the minimisation techniques are applicable for optimum NAND gate realisation

c)

Everybody use this gate

d)

Any logic function can be realized by NAND gates alone

73.

If a input signal a=11100 is applicable to a NOT gate ,its output signal is

a)

00011

b)

01001

c)

10011

d)

1000

74.
What kind of gate is this?
a)
AND
b)
NAND
c)
OR
d)
XAND
75.
What kind of gate does this Truth Table represent?
a)
AND
b)
OR
c)
NOT
d)
NOR
76.
What is the output of an AND gate if the inputs are 1 and 0?
a)
ON
b)
2
c)
1
d)
0
77.

Which law is this an example of:

A(B+C) = (A.B)+(A.C)

A+(B.C) = (A+B).(A+C)

a)

Associative

b)

Commutative

c)

Absorption

d)

Distributive

78.

This is the OR version of which law?

A+(B+C) = (A+B)+C = A+B+C

a)

Commutative

b)

Associative

c)

Distributive

d)

De Morgans

79.

1. The Demorgan’s law (AB)' = -----------

a)

A'+B'

b)

A+B

c)

A+B'

d)

A'+B

80.

In Boolean expression A+AB simplifies ____

a)

A

b)

B

c)

A+B

d)

1

81.

___________ are small pictures that represent files, folders & programs on the desktop.

a)

Images

b)

Gadgets

c)

Icons

82.
Software is a series of ____________ that tells a computer what tasks to perform and how to perform them.
a)
data
b)
information
c)
instruction
d)
utility
83.
________________programs that control or maintain the operations of the computer and its devices.
a)
Software
b)
System Software
c)
Application software
d)
Utility program
84.
Allocating time on the processor to individual processes is known as...
a)
CPU Scheduling
b)
CPU Timing
c)
CPU Clocking
d)
CPU Sorting
85.
When the OS creates temporary RAM on the Hard Drive it is known as...
a)
Virtual Memory
b)
Cache
c)
Registering
d)
Defragmenting
86.
Processor scheduling is one of the functions managed by the OS.  Which one is a scheduling method used by the scheduler
a)
Round To It
b)
Round Table
c)

Round Robin

87.

Application software is...

a)

help the user run specific tasks like word processors, web browser, email, clients, games, etc

b)

run tasks like the operating systems, utilities, etc

c)

help the user run things down

d)

run tasks like the doing my homework, revision, etc

88.
Which of the following is not one of the most common operating systems for personal computers?
a)
Microsoft Windows
b)
IBM
c)
Linux
d)
Mac OS X
89.
_____________is a type of system software allows that allow a user to perform  maintenance-type tasks
a)
Operating system
b)
System Software
c)
Application software
d)
Utility program
90.

What types of devices use operating systems?

a)

Computers

b)

Televisions

c)

Cellphones

d)

All of the above

91.

What do device drivers do?

a)

Allows the OS to communicate with hardware

b)

Drives around the motherboard

c)

Increases the amount of storage

92.
Holding more than one process in the memory at any one time is known as multi-tasking or...
a)
Multi-programming
b)
Parallel Processing
c)
Timesharing
d)
Process Management
93.
What does ISP stand for?
a)
Internet Service Provider
b)
Internet Switch Protocol
c)
Internet Service Protocol
d)
Internet Switch Provider
94.
What does the S in HTTPS stand for?
a)
Secure
b)
Safe
c)
Standard
d)
Solus
95.

The extensions .edu is short for

a)

educational organization

b)

many US schools

c)

academic institution

d)

some schools outside the US

96.

Is this a browser or a search engine?

a)

Browser

b)

Search Engine

97.

Is this a browser or a search engine?

a)

Browser

b)

Search Engine

98.
The main circuit board, especially of a personal computer
a)
monitor
b)
motherboard
c)
RAM
d)
hardware
99.

What is included in the storage device?

a)

Portable Hard Disks

b)

Motherboard

c)

CPU

d)

ROM

100.

7 compliment of 71

a)

7

b)

6

c)

88

d)

56

101.
The decimal number -34 is expressed in the 2’s complement form as
a)
1011110
b)
10100010
c)
11011110
d)
1011101
102.
What does LAN stand for?
a)
Local Art Network
b)
Localise Aerial Network
c)
Local Area Network
d)
Local Area News
103.

A ______________ is a computer that provides services to clients or workstations.

a)

Main Computer

b)

Server/ Central Hub

c)

Service provider

104.

Which of the following is not a advantage of computer networks?

a)

Virus infection

b)

Efficiency

c)

Redundancy

d)

Preserving information

105.

The vast network of computers that connects millions of people all over the world is called

a)

Internet

b)

Hypertext

c)

LAN

d)

Web

106.

Convert the 8-bit binary number 1001 1011 to a 2-bit hexadecimal number.

a)

9B

b)

9C

c)

8F

d)

9D

107.
Which of these is the correct sequence for the place values for binary numbers?
a)
1, 2, 4, 8, 16, 32, 64, 128
b)
1, 2, 4, 6, 8, 10, 12, 14, 16
c)
1, 2, 3, 4, 5, 6, 7, 8
d)
0, 1
108.

BIOS stands for _________.

a)

Basic Input/Output System

b)

Base Input/Output System

c)

Basic Input and Output Systematic

d)

None of the above

109.

What are the components of a computer?

a)

Central Processing Unit (CPU)

b)

Types of Operating Systems

c)

Programming Languages

d)

Computer Memory

e)

Input/output devices

110.

How are characters, integers, and fractions represented in computers?

a)

Binary

b)

ASCII

c)

Hexadecimal

111.

What operations are involved in binary arithmetic?

a)

Subtraction

b)

Addition

c)

Two's complement arithmetic

d)

Division

e)

Multiplication

112.

What are the types and functions of operating systems?

a)

Evolution of operating systems

b)

Types of operating systems

c)

Functions of an operating system

d)

Modern operating systems

113.

____________ language uses Mnemonic codes.

a)

Assembly

b)

Machine

c)

High level

114.

A/an __________ converts a high level language program into machine language,line by line.

a)

Assembler

b)

Compiler

c)

Interpreter

115.

Java language is the example of _________ languge

a)

First generation

b)

Second generation

c)

High level

116.

________________ is the process of writing specific instructions in a computer language.

a)

Linking

b)

Programming

c)

Processing

117.

__________ translate programs written in Assembly language into Machine Language.

a)

Compilers

b)

Translator

c)

Assemblers

118.

Machine Language is a -------- language.

a)

4th Generation

b)

3rd Generation

c)

1st Generation

d)

2nd Generation

119.

"High Level languages (HLL) are not machine-dependent". The statement above means:

a)

They have a sentence-like structure

b)

they are closer to natural languages

c)

they can be used on different types of computers

d)

they are easy to learn

120.

The only language understood by the digital devices is...

a)

assembly language

b)

linking language

c)

translation language

d)

machine language

121.

Microwaves, washing machine, medical equipment, cameras, toys and airplanes are some of the appliances/ machines which use ...

a)

Personal Digital Assistants

b)

Embedded Systems

c)

Micro Computers

d)

Wearable Computers

122.

Which type of computer is used for weather forecasting?

a)

Super Computers

b)

PDA

c)

Mainframe Computers

d)

Wearable Computers

123.

PARAM is an example of __________.

a)

Mini Computers

b)

Microcomputers

c)

Supercomputers

d)

Mainframe computers

124.

Which computer language does not require any translation?

a)

Machine Language

b)

Assembly Language

c)

High-Level Language

d)

Fourth-Generation Language

125.

What is full form of CPU

a)

Control Processing Unit

b)

Central Processing Unit

c)

Coral Processing Unit

d)

Cova Processing Unit

126.

1 MB is equal to

a)

1024 KB

b)

1024 Byte

c)

1024 Bits

d)

8 Bits

127.

What is Extension of MS Word

a)

.doc

b)

.xls

c)

.ppt

d)

.txt

128.

What is full form of CD

a)

COVID Disk

b)

Corona Disk

c)

Compact Disk

d)

Calculative Disk

129.

Which is not input device

a)

Printer

b)

Mic

c)

Scanner

d)

Mouse

130.

Which is not a Software

a)

Python

b)

Adobe Acrobat Reader

c)

Tally

d)

MODEM

131.

Who developed C Language

a)

Harmanpreet Singh

b)

Tony Dhawan

c)

Dennis Ritchie

d)

Sharukh Khan

132.

Which is not Operating System

a)

DOS

b)

LINUX

c)

WINDOWS

d)

ZINUX

133.

The first generation of computers primarily utilized which technology?



a)

Integrated Circuits

b)

Vacuum Tubes

c)

Transistors

d)

Microprocessors

134.

ENIAC, the first general-purpose electronic digital computer, belonged to which generation of computers?




a)

First Generation

b)

Second Generation

c)

Third Generation

d)

Fourth Generation

135.

The IBM System/360 mainframe computer series is an example of which generation of computers?




a)

First Generation

b)

Second Generation

c)

Third Generation

d)

Fourth Generation

136.

What technology distinguishes the fourth generation of computers?




a)

Vacuum Tubes

b)

Transistors

c)

Microprocessors

d)

Nanotechnology

137.

ULSI((Ultra Large Scale Integration) technology is used in

a)

Fourth Generation computers

b)

Third Generation Computers

c)

Second Generation Computers

d)

Fifth Genration computers

138.

What component of a computer is responsible for executing instructions and performing calculations?




a)

Central Processing Unit (CPU)

b)

Random Access Memory (RAM)

c)

Hard Disk Drive (HDD)

d)

Graphics Processing Unit (GPU)

139.

Which of the following is a primary storage device that temporarily stores data while the computer is running?




a)

Hard Disk Drive (HDD)

b)

Solid State Drive (SSD)

c)

Optical Drive

d)

Random Access Memory (RAM)

140.

Which part of the computer is used to permanently store data, even when the power is turned off?

a)

Random Access Memory (RAM)

b)

Central Processing Unit (CPU)

c)

Optical Drive

d)

Hard Disk Drive (HDD)

141.

The motherboard is a critical component of a computer system because it:

a)

Stores data permanently

b)

Processes instructions

c)

Connects all other components together

d)

Displays graphics

142.

Which programming language is often used for scientific computing, data analysis, and machine learning?

a)

Java

b)

Python

c)

C#

d)

Swift

143.

Which Statement is not correct for the operating system?

a)

Operates a computer

b)

Controls the overall activities of a computer

c)

it acts as an intermediary between the user and the computer

d)

it is a temoporary memory

144.

What is the role of Cache Memory in the CPU?

a)

Store frequently accessed data and instructions for faster access

b)

Perform mathematical calculations

c)

Control the flow of data within the CPU

d)

Execute input and output operations

145.

WWW stands for

a)

World Whole Web

b)

Wide World Web

c)

Web World Wide

d)

World Wide Web

146.

Which of the following are components of Central Processing Unit (CPU)

a)

Arithmetic logic unit, Mouse

b)

Arithmetic logic unit, Control unit

c)

Arithmetic logic unit, Integrated Circuits

d)

Control Unit, Monitor

147.

Full form of URL is

a)

Uniform Resource Locator

b)

Uniform Resource Link

c)

Uniform Registered Link

d)

Unified Resource Link

148.

In which of the following form, data is stored in computer

a)

Decimal

b)

Binary

c)

HexaDecimal

d)

Octal

149.

What is full form of GUI in terms of computers

a)

Graphical user Instrument

b)

Graphical unified Interface

c)

Graphical unified Instrument

d)

Graphical user Interface

150.

What is full form of ALU

a)

Arithmetic logic unit

b)

Allowed logic unit

c)

Ascii logic unit

d)

Arithmetic least unit

151.

Which is most common language used in web designing

a)

C

b)

C++

c)

PHP

d)

HTML

152.

Which among following is commonly used language in Android applications

a)

C

b)

C++

c)

JAVA

d)

PHP

153.

BIOS is used for

a)

Updating system information on network

b)

Loading operating system

c)

It helps in routing

d)

It take inputs from keywords and other devices

154.

Which type of software is an operating system

a)

Utility Software

b)

System Software

c)

Application Software

d)

Firmware Software

155.

Microsoft office is type of

a)

System software

b)

Application software

c)

Utility Software

d)

Firmware

156.

One nibble is equal to how many bits

a)

4 bits

b)

8 bits

c)

12 bits

d)

16 bits

157.

What is meaning of OMR

a)

Optical Message Reader

b)

Optical Message Render

c)

Optical Mark Reader

d)

Optical Mark Render

158.

You need a scanner to ... documents and pictures.

a)

print

b)

scan

c)

install

d)

load

159.
Convert 128 to binary
a)
10000000
b)
01111110
c)
10000001
d)
11001100
160.
Convert 00010001 to decimal
a)
17
b)
27
c)
37
d)
47
161.
If a binary number ends with a 1, it must be...
a)
An odd number
b)
An even number
c)
A prime number
d)
The number 12
162.

The number system that contains both alphabets and numbers is _________________.

a)

Octal Number System

b)

Hexadecimal Number System

c)

Binary Number Sytem

d)

Decimal Number System

163.

What kind of 'base' system is binary known as?

a)

Base 12

b)

Base 8

c)

Base 2

d)

Base 10

164.

Which number system uses the digits 0 through 9 to represent numbers?

a)

Binary Number System

b)

Decimal Number System

c)

Octal Number System

d)

Hexadecimal Number System

165.
Which of the following is not a DBMS despite having database capabilities:
a)
Microsoft Excel or similar spreadsheets
b)
Oracle
c)
MySQL
d)
Microsoft Access or similar
166.

A database management system (DBMS) is a collection of programs that enables users to

a)

create a database

b)

manipulate a database

c)

both create and manipulate a database

d)

for storing data only

167.

can a primary key be null

a)

yes

b)

no

168.

The number of rows in a relation

a)

degree

b)

tuple

c)

cardinality

d)

domain

169.

Repetition of data is called data ..............

a)

dependance

b)

redundancy

c)

inconsistency

d)

isolation

170.

A ............ is an organized collection of structured data.

a)

information

b)

file

c)

database

d)

DBMS

171.

A relational database consists of a collection of ..............

a)

tables

b)

fields

c)

records

d)

keys

172.

In relational data model, the total number of rows can be identified as ______________________ .

a)

Cardinality

b)

Degree

c)

Attribute

d)

Entity

173.
What language does the Relational Model use?
a)
Java
b)
Python
c)
SQL
d)
C++
174.
RDBMS
a)
Relational Database Basic Management System
b)
Relational Database Management System
c)
Required Database Management Setup
d)
None of these
175.

which of the following functions is referred as complementary?

a)

NAND

b)

NOR

c)

OR

d)

NOT

176.

A NAND gate is called a universal logic element because

a)

All digital computers use NAND gates

b)

All the minimisation techniques are applicable for optimum NAND gate realisation

c)

Everybody use this gate

d)

Any logic function can be realized by NAND gates alone

177.

If a input signal a=11100 is applicable to a NOT gate ,its output signal is

a)

00011

b)

01001

c)

10011

d)

1000

178.
What kind of gate is this?
a)
AND
b)
NAND
c)
OR
d)
XAND
179.
What kind of gate does this Truth Table represent?
a)
AND
b)
OR
c)
NOT
d)
NOR
180.
What is the output of an AND gate if the inputs are 1 and 0?
a)
ON
b)
2
c)
1
d)
0
181.

Which law is this an example of:

A(B+C) = (A.B)+(A.C)

A+(B.C) = (A+B).(A+C)

a)

Associative

b)

Commutative

c)

Absorption

d)

Distributive

182.

This is the OR version of which law?

A+(B+C) = (A+B)+C = A+B+C

a)

Commutative

b)

Associative

c)

Distributive

d)

De Morgans

183.

1. The Demorgan’s law (AB)' = -----------

a)

A'+B'

b)

A+B

c)

A+B'

d)

A'+B

184.

In Boolean expression A+AB simplifies ____

a)

A

b)

B

c)

A+B

d)

1

185.

___________ are small pictures that represent files, folders & programs on the desktop.

a)

Images

b)

Gadgets

c)

Icons

186.
Software is a series of ____________ that tells a computer what tasks to perform and how to perform them.
a)
data
b)
information
c)
instruction
d)
utility
187.
________________programs that control or maintain the operations of the computer and its devices.
a)
Software
b)
System Software
c)
Application software
d)
Utility program
188.
Allocating time on the processor to individual processes is known as...
a)
CPU Scheduling
b)
CPU Timing
c)
CPU Clocking
d)
CPU Sorting
189.
When the OS creates temporary RAM on the Hard Drive it is known as...
a)
Virtual Memory
b)
Cache
c)
Registering
d)
Defragmenting
190.
Processor scheduling is one of the functions managed by the OS.  Which one is a scheduling method used by the scheduler
a)
Round To It
b)
Round Table
c)

Round Robin

191.

Application software is...

a)

help the user run specific tasks like word processors, web browser, email, clients, games, etc

b)

run tasks like the operating systems, utilities, etc

c)

help the user run things down

d)

run tasks like the doing my homework, revision, etc

192.
Which of the following is not one of the most common operating systems for personal computers?
a)
Microsoft Windows
b)
IBM
c)
Linux
d)
Mac OS X
193.
_____________is a type of system software allows that allow a user to perform  maintenance-type tasks
a)
Operating system
b)
System Software
c)
Application software
d)
Utility program
194.

What types of devices use operating systems?

a)

Computers

b)

Televisions

c)

Cellphones

d)

All of the above

195.

What do device drivers do?

a)

Allows the OS to communicate with hardware

b)

Drives around the motherboard

c)

Increases the amount of storage

196.
Holding more than one process in the memory at any one time is known as multi-tasking or...
a)
Multi-programming
b)
Parallel Processing
c)
Timesharing
d)
Process Management
197.
What does ISP stand for?
a)
Internet Service Provider
b)
Internet Switch Protocol
c)
Internet Service Protocol
d)
Internet Switch Provider
198.
What does the S in HTTPS stand for?
a)
Secure
b)
Safe
c)
Standard
d)
Solus
199.

The extensions .edu is short for

a)

educational organization

b)

many US schools

c)

academic institution

d)

some schools outside the US

200.

Is this a browser or a search engine?

a)

Browser

b)

Search Engine

201.

Is this a browser or a search engine?

a)

Browser

b)

Search Engine

202.
The main circuit board, especially of a personal computer
a)
monitor
b)
motherboard
c)
RAM
d)
hardware
203.

What is included in the storage device?

a)

Portable Hard Disks

b)

Motherboard

c)

CPU

d)

ROM

204.

7 compliment of 71

a)

7

b)

6

c)

88

d)

56

205.
The decimal number -34 is expressed in the 2’s complement form as
a)
1011110
b)
10100010
c)
11011110
d)
1011101
206.
What does LAN stand for?
a)
Local Art Network
b)
Localise Aerial Network
c)
Local Area Network
d)
Local Area News
207.

A ______________ is a computer that provides services to clients or workstations.

a)

Main Computer

b)

Server/ Central Hub

c)

Service provider

208.

Which of the following is not a advantage of computer networks?

a)

Virus infection

b)

Efficiency

c)

Redundancy

d)

Preserving information

209.

The vast network of computers that connects millions of people all over the world is called

a)

Internet

b)

Hypertext

c)

LAN

d)

Web

210.

Convert the 8-bit binary number 1001 1011 to a 2-bit hexadecimal number.

a)

9B

b)

9C

c)

8F

d)

9D

211.
Which of these is the correct sequence for the place values for binary numbers?
a)
1, 2, 4, 8, 16, 32, 64, 128
b)
1, 2, 4, 6, 8, 10, 12, 14, 16
c)
1, 2, 3, 4, 5, 6, 7, 8
d)
0, 1
212.

BIOS stands for _________.

a)

Basic Input/Output System

b)

Base Input/Output System

c)

Basic Input and Output Systematic

d)

None of the above

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