General Science | Computer and information technology | Computer and IT - Part-1

General Science | Computer and information technology | Computer and IT - Part-1

Jan 26, 2025 - 12:35 Updated: Jan 26, 2025 - 15:12
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1. Who invented electronic computer?

Dr. Alan M. Turing
Karl Benz
Thomas Alva Edison
Edward Teller

2. The digital computer was developed in

Russia
Britain
U.S.A.
Japan

3. The first Computer was made by

Bill Gates
Bill Clinton
Charles Babbage
Marconi

4. Who is considered to be the 'Father of Computers'?

Bill Gates
Charles Babbage
Narayan Murthy
Tim Berners Lee

5. For which word, the letter 'G' has been used in '2G Spectrum'?

Global
Government
Generation
Google

6. A pen drive is

A fixed secondary storage unit
A magnetic secondary storage unit
A removable secondary storage unit
None of the above

7. Mouse is

Memory
C.P.U.
Input Device
Output Device

8. Which is the most common 'input device' used today?

Motherboard
Central Processing Unit
Keyboard
Semi-conductor

9. The most common input device used today is

Trackball
Scanner
Mouse
None of these

10. The body of mouse used in computers was designed about 40 years back. Then, it was made of

Aluminium
Plastic
Steel
Wood

11. After the double click of the mouse, the information goes to

Documents
Video Gard
C.P.U.
Hard Drive

12. In which port do you plug-in the cable of your keyboard?

VGA Port
Ethernet Port
USB Port
Sanpedro Port

13. A network of networks is simply called

Extranet
Intranet
Webnet
Internet

14. What is the Internet?

A net for catching fish in the ocean
Name of international Basketball Championship
A system for tracking movement of railway wagons on Railway lines
An international computer based information network

15. Slowest Internet connection service is

Digital Subscriber Line
Dial-up Service
Leased Line
Cable Modem

16. The first page that you normally view at any website is known as

Home page
Master page
First page
Banner page

17. Internet system uses which of the following technology?

Bus
Ring
Star
Tree

18. The service of the Internet that provides 'audio' and 'video' conversation, is called

chat
e-mail
video conferencing
video chat

19. The Internet works on

Circuit switching only
Packet switching only
Both circuit and packet switching
None of the above

20. Ethernet is an example of

MAN
LAN
WAN
Wi-Fi

21. MS-DOS was first released in

1971
1981
1991
2001

22. What is the difference between Bluetooth and Wi-Fi devices?

Bluetooth uses 2.4 GHz radio. frequency band whereas Wi-Fi can use 2.4 GHz or 5 GHz frequency band
Bluetooth is used for Wireless Local Area Networks (WLAN) only, whereas Wi-Fi is used for Wireless Wide Area Networks (WWAN) only
When information is transmitted between two devices using Bluetooth technology, the devices have to be in the line of sight of each other. But when Wi-Fi technology is used, the devices need not be in the line of sight of each other
The statement (A) and (B) given above are correct in this context

23. The first railway station in the country to provide Google's free public Wi-Fi service is

New Delhi Railway Station
Mumbai Central Railway Station
Howrah Railway Station
Chennai Railway Station

24. The computer system which links and stores information among different countries in the world through a satellite is known as

Apollo
INSAT 2D
Internet
Nicnet

25. What is Virtual Private Network?

It is a private computer network of an organization where the remote users can transmit encrypted information through the server of the organization
It is a computer network across a public Internet that provides users to access their organization's network while maintaining the security of the information transmitted
It is a computer network in which users can access a shared pool of computing resources through a service provider
None of the statements (A), (B) and (C) given above is a correct description of Virtual Private Network

26. The layer between Physical and Network is known as

Data Link Layer
Transport Layer
Session Layer
None of the above

27. To safeguard against cyber attacks and threats of data theft, the 'Centre for Development of Advanced Computing' has developed as new software called

AVARODH
NAYAN
TRIKAL
None of these

28. India manufactured super-computer 'PARAM' in

Chennai
Bangalore
Delhi
Pune

29. The name of Indian Supercomputer is

Shubham
Param
SX-2
BBC-Micro

30. Who is known as the father of Indian supercomputer?

Raghunath Mashelkar
Vijay Bhatkar
Jayant Narlikar
Nandan Nilekani

31. Which one of the following is a supercomputer project developed by Bhabha Atomic Research Centre?

PARAM Padma
Chipps
Flosolver Mark
Anupam

32. Word length for supercomputer range up to

16 bits
32 bits
64 bits
128 bits

33. Among following which is the largest, fastest and costliest computer?

Personal
Supercomputer
Laptop
Notebook

34. Vidya Vahini Project lays emphasis on which of the following?

Computer Education
Value Education
Environmental Education
Skill Development

35. Supercomputer 'Magic Cube' inaugrated has been prepared by which of the following countries?

U.S.A.
China
Germany
Japan

36. Which of the following would be the smallest and fastest computer imitating brain working?

Supercomputer
Quantum computer
Param-10,000
IBM chips

37. W.L.L. means

Without lever line
Within local line
Wireless in local loop
Wireless in long line

38. Indian Institute of Remote Sensing is situated

In Ahmedabad
In Dehradun
In Sriharikota
None of the above

39. Indian Institute of Remote Sensing (IIRS) is situated at

Dehradun
New Delhi
Lucknow
Nagpur

40. Which industry is primary user of Magnetic Ink Character Recognition (MICR)?

Banks
Footwear designing
Book Publishing
None of the above

41. Which type of computers are the most widely used?

Supercomputers
Mini Computers
Main Frame Computers
Micro Computers

42. Which type of computer could be found in a digital watch?

Mainframe
Supercomputer
Notebook computer
Embedded computer

43. Which of the following laser ray is used in laser printers?

Dye laser
Semi-conductor laser
Excimer laser
Gas laser

44. Which printer is usually used for desktop printing?

Daisy wheel printer
Dot matrix printer
Laser printer
None of the above

45. Daisy wheel printer is a type of

Laser Printer
DOT Matrix Printer
Manual Printer
Impact Printer

46. WWW on the Internet stands for

Words, Words, Words
Wide World Words
World Wide Web
When Where Why

47. Who among the following is considered as the inventor of the World Wide Web (WWW)?

Edward Kasner
Bill Gates
Tim Berners Lee
Vinod Dham

48. World Wide Web (www) is a hypermedia system because

It is hyper fast
It links to other computer resources
It can be used only to bring in video material
None of the above

49. 'Bluetooth' technology allows

Signal transmission on mobile phones only
Landline phone to mobile phone communication
Satellite television communication
Wireless communication between equipment

50. Which one of the following is a part of Infotech terminology?

Protocol
Login
Archie
All of these

51. A set of rules that governs data communication is called

Protocols
Standards
RFCS
None of these

52. In Cyber Law terminology 'DOS' means

Denial of Service
Disk Operating System
Distant Operator Service
None of the above

53. In the context of computer security, crackers are also known as

black hat hackers
white hat hackers
elite hackers
script kiddie

54. Junk e-mail is also called

Spoof
Spool
Sniffer script
Spam

55. The word 'Spam' is related to which of the following subject?

Computer
Art
Music
Sports

56. Sending an identical e-mail message repeatedly to a particular address by any abuser is called

E-mail Spoofing
E-mail Spamming
E-mail Bombing
None of the above

57. DuckDuckGo is a

search engine
web browser
virus
news website

58. Yahoo, Google and MSN are

Internet sites
Computer brands
Watches manufactured in Switzerland
Rings of Saturn

59. Which web browser was developed by Google?

Internet Explorer
Firefox
Safari
Chrome

60. Wi MAX is related to which one of the following?

Biotechnology
Space technology
Missile technology
Communication technology

61. Computer virus is a

Fungus
Bacterium
IC7344
Software program

62. What is the virus that spreads in computer?

Hardware
Computer program
Ant
System software

63. A computer virus is

A computer program that can replicate itself
A virus that affects health of human being
Both of the above
None of the above

64. A computer virus is a

Destructive program
Utility program
Firewall
None of the above

65. Computer virus means

A new virus
Plague virus
Destructive program
Hardware of computer

66. A program that has the capability to infect other program and make copies of itself and spread into other programs is called

Worm
Virus
Trojan
None of these

67. Firewall is used in Communication Network/System for protection from

Unauthorized attack
Data driven attack
Fire attack
Virus attack

68. American television and Telegraph has developed such computer procedure which gives multi-user environment, it is called

V.G.A.
Unix
V.L.S.I.
U.T.A.

69. 'Windows-3' a popular windowing environment was released by Microsoft in the year

1985
2000
1995
1990

70. Windows operating system was developed by

Microsoft
I.B.M.
A.T.&T.
H.P.

71. In microwave oven, the microwave tube used is

A combination of klystron and magnetron tubes
Klystron tube
Magnetron tube
Travelling wave tube

72. The memory of the computer is measured by

Bits
Ohms
Amperes
Volts

73. Binary numbers are

0 and 1
0 and 10
1 and 10
1 and 100

74. In a Binary Code 7 is written as

110
111
101
100

75. Binary language consists of how many digits?

2
3
4
16

76. Which of the following is a self complimenting code?

8421 code
5211 code
Gray code
Binary code

77. The memory of a computer is commonly expressed in terms of kilobytes or megabytes. A byte is made up of

Eight binary digits
Eight decimal digits
Two binary digits
Two decimal digits

78. The term bit is the short form of

Megabyte
Binary Language
Binary Digit
Binary Number

79. The length of a word in computers is measured by

Bits
Byte
Millimetre
Metre

80. How many bits are there in a kilobyte?

1024
1000
8024
8192

81. 1024 kilobytes are equal to

1 megabyte
1 gigabyte
10 kilobytes
1024 bytes

82. Choose the smallest memory size unit.

KB
MB
GB
TB

83. In computer language how many bytes are there in one megabyte?

1,00,000
10,00,000
10,24,000
10,48,576

84. A million bytes is approximately

Gigabyte
Kilobyte
Megabyte
Terabyte

85. The term MB is used for

Magnetic Bits
Mega Bytes
Mega Bits
None of the above

86. Unicode encoding scheme represents a character as a group of

16 bits
4 bits
8 bits
12 bits

87. An exclusively private network used by employees of a company in a single location will be classified as

Internet
Local Area Network
Wide Area Network
ARPANET

88. LAN means

Large Area Network
Local Area Network
Logical Area Network
None of the above

89. In a database, field is

Label
Table of information
Group of related records
Category of information

90. With relation to computers ALU means

Algebraic Logic Unit
Arithmetic Logic Unit
Algebraic Local Unit
Arithmetic Local Unit

91. In computers Dictionary, the letters CD is used for

Compact disc
Compressed disc
Computerised data
Compressed data

92. Which of the following protocol may be used for accessing world wide web?

HTTP
SMTP
SLIP
None of the above

93. What is the full form of http?

Hypertext Transfer Program
Hypertext Transfer Protocol
Hypertool Transfer Program
Hypertool Transfer Protocol

94. Computer hardware, which can store a very large quantity of data, is called

Magnetic tape
Disk
Both (A) and (B)
None of the above

95. Which of the following is a software?

Transistor
Integrated circuit
Compiler
Device for inputting data

96. The brain of the computer is known as

Memory
Keyboard
Hard Disk
C.P.U.

97. Index hole is related to

Hard Disk
Floppy Disk
Printer
CPU

98. IRQ 6 is commonly assigned to

Sound Card
Com 1
Floppy Drive Controller
LPT 1

99. A Program that controls a computer's basic functions

Operating System
Mother Board
Hard Drive
CPU

100. CPU stands for

Control Processing Unit
Central Processing Unit
Current Processing Unit
None of the above