Rajasthan DOITC Informatics Assistant  computer GK 

1. EBCDIC stands for
Answer . Extended Binary Coded Decimal Interchange Code

2. ............ printer is the cheapest in terms of price and operating cost
 Answer . Dot matrix 

3. .......... printer is a non-impact printer and is quite in working
 Answer . Inkjet 

4. .......... are high-end printers
Answer . Laser

5 .Which of the following is a part of the Central Processing Unit?
Answer. Arithmetic & Logic unit

6. CAD stands for
Answer. Computer aided design

7. Junk e-mail is also called 
Answer. Spam

8. When a computer is switched on, the booting process performs
Answer . Power-On Self-Test 

9. A computer system that is old and perhaps not satisfactory is referred to as a(n)
Answer d. Legacy system

11. Which of the following does not store data permanently?
Answer . RAM

12. Which of the following contains permanent data and gets updated during the
processing of transactions?

Answer . Master file

13. Which of the following helps to protect floppy disks from data getting accidentally
erased?

Answer . Write-protect notch

14. A modem is connected to
Answer . a telephone line

15. Collecting personal information and effectively posing as another individual is
known as the crime of:

Answer. Identity theft.

16. Malicious software is known as:
Answer . Malware

17. A program that performs a useful task while simultaneously allowing destructive
acts is a:

Answer . Trojan horse

18. An intentionally disruptive program that spreads from program to program or
from disk to disk is known as a:

Answer . Virus

19. In 1999, the Melissa virus was a widely publicised:
Answer . E-mail virus.

20. What type of virus uses computer hosts to reproduce itself?
Answer . Worn

21. The thing that eventually terminates a worm virus is a lack of:
Answer. Memory or disk space.

22. When a logic bomb is activated by a time-related event, it is known as a:
Answer . Time bomb.

23. What is embedded system?
Answer . The computer and software system that control the machine

24. First page of Website is termed as-
Answer . Homepage

25. ...................... is the appearance of typed characters?
Answer . Format

26. When a file is saved for the first time
Answer . it must be given a name to identify it

27. Office LANS, which are scattered geographically on large scale, can be connected by
the use of corporate

Answer . WAN

28. Where are data and programme stored when the processor uses them?
Answer . Main memory

29. ............... represents raw facts, where-as................. is data made meaningful.
Answer . Data, information

30. What characteristic of read-only memory (ROM) makes it useful?
Answer. Data in ROM is non-volatile, that is, it remains there even without electrical power.

31. What do you call the programs that are used to find out possible faults and their
causes?

Answer . diagnostic software

32. Which programming languages are classified as low level languages?
Answer . Assembly languages

33. A logic bomb that was created to erupt on Michelangelo‘s birthday is an example
of a:

Answer. Time bomb.

34. What is the name of an application program that gathers user information and
sends it to someone through the Internet?

Answer . Spybot

35. _____ is the measurement of things such as fingerprints and retinal scans used 
for security access.
Answer. Biometrics

36. What is the most common tool used to restrict access to a computer system?
Answer. Passwords

37. Hardware or software designed to guard against unauthorized access to a
computer network is known as a(n):

Answer . Firewall

38. The scrambling of code is known as:
Answer . Encryption

39. To prevent the loss of data during power failures, use a(n):
Answer . UPS


40. _____ is defined as any crime completed through the use of computer technology.
Answer . Computer crime

41. _____ refers to electronic trespassing or criminal hacking.
Answer. Cracking

42. The first electronic computer was developed by

Answer . J.V. Attansoff

43. Snowbol is an/a _________
Answer . HLL

44. Switching device of fifth generation computer is ______

Answer . VLSI

45. _____ computers operates essentially by counting

Answer . Digital computer

46. ______ computer is small general purpose micro computer, but larger than
portable computer
Answer . Desktop


47. Cathode Ray Tube is a form of .......
Answer . Monitor

48. Trackball is a ..........

 Answer . Input device

49. ............. computer is a medium sized computer

 Answer. Mini

50. ........... computer are of large size
 Answer . Mainframe

51. Note book, laptop,palm,hand-held computers are coming under the category
of......... computer

Answer . Portable computer

52. Light pen and joystick are ............
Answer . Input devices

53. Touch Screen is ............
Answer. Both a & b above

54. ......... are used for plotting graphs and design on papers
Answer . Plotters

55. Daisy wheel, Drum, chain etc are the .............
Answer . Printers

56. ........ are specific to users’ needs

Answer . Application software

57. Joshy, Perfumes are examples of .............
Answer . Computer viruses

58. “MAN” stands for
Answer . Metropolitan Area Network

59. Which of the following is a network topology
 Answer . BUS

214. Which of the following is a type of network
 Answer . PAN

60. Hackers
Answer. break into other people's computers

61. What type of computers are client computers (most of the time) in a client-server
system?

Answer . Microcomputer

62. A computer cannot 'boot' if it does not have the
Answer. Operating System


63.The amount of vertical space between lines of text in a document is called

Answer. line spacing

64. Example of non-numeric data is

 Answer . Employee address

65. Which of the following is not anti- viruses’ software?
Answer. Oracle

66. Which device is required for the Internet connection?
Answer . Modem

67. What does DMA stand for?
Answer . Direct Memory Access

68. When did John Napier develop logarithm?
Answer . 1614

69. A normal CD- ROM usually can store up to _________ _data?
Answer . 680 MB

70. MIS is designed to provide information needed for effective decision making by?
Answer . Managers

71. What is a light pen?
Answer. Optical input device

72. BCD is
Answer. Binary Coded Decimal

73. ASCII stands for
Answer . American Standard Code for Information Interchange

74. Which of the following is first generation of computer?

Answer . EDSAC

75. Chief component of first generation computer was
Answer. Vacuum Tubes and Valves

76. FORTRAN is
Answer. Formula Translation

77. EEPROM stands for

Answer . Electronic Erasable Programmable Read Only Memory

78. Second Generation computers were developed during
Answer . 1956 to 1965

79. The computer size was very large in
Answer. First Generation

80. Which of the following devices can be sued to directly image printed text?
Answera. OCR 

81. The output quality of a printer is measured by
Answer. Dot per sq. inch


82. In analogue computer
Answer . Input is never converted to digital form

83. In latest generation computers, the instructions are executed
Answer. Both sequentially and parallel

84. Who designed the first electronics computer – ENIAC?
Answer . J. Presper Eckert and John W Mauchly

85. Who invented the high level language “C”?
Answer . Dennis M. Ritchie

86. Personnel who design, program, operate and maintain computer equipment refers to
Answer. Peopleware

87. Large transaction processing systems in automated organisations use
Answer. Batch Processing


89. In a computer, most processing takes place in
Answer . CPU

90. Which of the following is not a storage medium?
Answer. Scanner

91. The computer abbreviation KB usually means
Answer. Kilo Byte

92. The typical computer criminal is a(n):
Answer . Trusted employee with no criminal record.

93. The common name for the crime of stealing passwords is:

Answer. Spoofing

94. When did arch rivals IBM and Apple Computers Inc. decide to join hands?
Answer . 1991

95. Human beings are referred to as Homosapinens, which device is called Sillico sapiens?
Answer . Computer

96. An error in software or hardware is called a bug. What is the alternative computer
jargon for it?

Answer . Glitch

97. In world today, most of the computers are :
Answer. Digital

98. Physical structure of computer is called :
Answer. Hardware

99. In which type of computer, data are represented as discrete signals. 

Answer . Digital computer 

100 .......... are set of rules and procedures to control the data transmission over the internet
Answer . Protocol