Computer MCQ,s Important One liner JOA IT 939

 General knowledge computer 


Joa IT 939 Computer Important MCQ,s

1.How many Bits makes one Byte?

Ans. 8 Bits.

2.Google is a Browser or a Search Engine?

Ans. Search Engine.

3.Printer is the example of which types of device, Output or Input?

Ans. Output device.

4.What is the full form of RAM?

Ans. Random Access Memory.

5.Who is the founder of Facebook?

Ans. Mark Zuckerberg.

6.Which electronic component was used in the first generation of computers?

Ans. Vacuum tubes.

7.Group of instructions that directs a computer is called?

Ans. Program

8.A computer-controlled device for training exercises that duplicates the work environment is called?

Ans. Simulator

9.Perforated paper used as input or output media is known as?

Ans. Paper tape

10.Ethernet uses?

Ans. Bus topology

11.CD-ROM stands for?

Ans. Compact Disk Read Only Memory

12.IBM 1401 is a?

Ans. Second Generation Computer

13.Chief component of First Generation computer was?

Ans. Vacuum tubes and valves

14.The personal computer industry was started by?

Ans. IBM (International Business Machine)

15.Which was the most popular first generation computer?

Ans. IBM 1650

16.Responsibility of the logical unit in the CPU of a computer is?

Ans. To compare numbers

17.A device that operates under the control of another device is called?

Ans. Slave

18.As compared to diskettes, the hard disks are?

Ans. More expensive

19.The basic unit of a worksheet into which you enter data in Excel is called?

Ans. Cell

20.What contains buttons and menus that provide quick access to commonly used commands?

Ans. Toolbar

21. .doc, .xls, .ppt, .html are examples of?

Ans. Extensions

22.Which type of file is created by the Excel program?

Ans. Worksheet file

23.What is the full form of an ATM?

Ans. Automatic Teller Machine.

24.The blinking symbol on the computer screen is called the?

Ans. Cursor

25.Which function calculates the largest value in a set of numbers in Excel?

Ans. =Max()

26.What is the full form of 'www' on the internet?

Ans. World Wide Web

27.Android mobile operating system is the product of which software giant?

Ans. Google

28.Gmail, a web based email service is the product of which company?

Ans. Google

29.A pointer is shaped like a hand when it is positioned over .......................?

Ans. Hyperlink

30.MS-Word allows creation of which type of documents by default?

Ans. Document file (.doc)

31.MS-Excel allows creation of which type of documents by default?

Ans. Worksheet (.xls)

32.MS-Powerpoint allow creation of which type of documents by default ?

Ans. Presentation file (.ppt)

33.While working on a Computer data is temporarily stored in which memory?

Ans. RAM (Random Access Memory)

34.Information travels between components on the Mother Board through?

Ans. Buses

35.The most frequently used instructions of a computer program are likely to be fetched from which type of memory?

Ans. Cache memory

36.A Web site on which an individual or group of users record opinions, information, etc. on a regular basis is called a?

Ans. Blog

37.What is the address given to a computer connected to a network called?

Ans. IP address

38.What is the name of the software that allows us to browse through web pages called?

Ans. Browser

39.Who is the founder of Oracle Corporation?

Ans. Lawrence J. Ellison.

40.Which technology is used in a CDROM Drive?

Ans. Optical

41.A program which translates High Level Language to a Machine Level Language is called?

Ans. Compiler

42.The process to find errors in a software code is called?

Ans. Debugging

43.What contains specific rules and words that express the logical steps of an algorithm?

Ans. Syntax

44.Data that is copied from an application is stored in?

Ans. Clipboard

45.The simultaneous execution of two or more instructions is called?

Ans. Multiprocessing

46.Which device can understand the difference between Data and programs?

Ans. Microprocessor

47.Servers are computers that provide resources to other computers connected to a?

Ans. Network

48.Excel spreadsheet, Powerpoint, Word processing are examples of which type of software?

Ans. Application software

49.How many MB (Mega Byte) makes one GB (Giga Byte)?

Ans. 1024 MB

50.Data that has been organized or presented in a meaningful way is called?

Ans. Information

51.In the binary language each letter of the alphabet, each number and each special character is made up of a unique combination of?

Ans. 8 bits

52.Windows operating system 'Windows 8' is the product of which american company?

Ans. Microsoft

53.The term 'Pentium' is related to?

Ans. Microprocessor

54.C, Java, PHP, C++ are examples of?

Ans. Programming language

55.What is the shortcut key for printing a document in windows?

Ans. Ctrl + P

56.A Web site's main page is called?

Ans. Home page

57.Which type of Operating system is Linux?

Ans. Open Source

58.Text or Graphics while copying are temporarily stored in?

Ans. Clipboards

59.Horizontal orientation of a page is referred to as ............ in Page Setup?

Ans. Landscape

60.Defragmentation of Hard drive is done for?

Ans. Creating more free spaces

61.The purpose of the primary key in a database is to?

Ans.Uniquely identify a record

62.Which command is used to copy a text or file?

Ans. Ctrl + C

63.Which command is used to paste a text or file?

Ans. Ctrl + V

64.Full form of BIOS is?

Ans. Basic Input Output system

65.Printed copy of a document is often called?

Ans. Hard Copy

66.Full form of SMPS is?

Ans. Switched Mode Power Supply

67.The device used to carry Digital data on Analog lines is called as?

Ans. Modulator

68.Full form of MICR is?

Ans. Magnetic Ink Character Recognition

69.What is used to identify a user who returns to a Website?

Ans. Cookies

70.The program which translates and executes programs at run time line by line is called?

Ans. Interpreter

71.Buying and selling goods/services through wireless handheld devices is called?

Ans. Mobile Commerce

72.FTP stands for?

Ans.File Transfer Protocol

73.Computers use the ..................... Number System to store data and perform calculations?

Ans. Binary

74.DOS stands for?

Ans.Disk Operating System

75.Hardware that converts your computer's digital signal to an analog signal that can travel over telephone lines is called a?

Ans. Modem

76. ............................. allows wireless mobile devices to access the Internet and its services?

Ans. WAP (Wireless Application Protocol)

77.How many Bits are in a Single-Byte?

Ans. Eight Bits (8 Bits)

78.How many Megabytes makes one Gigabyte?

Ans. 1024 MB (1000 MB Standard)

79.Who is Called Livewares?

Ans. People who work with Computers

80.Who Invented the Mechanical Calculator known as Pascaline?

Ans. Blaise Pascal

81.Which Computer Unit Performs all Mathematical and Logical Functions?

Ans. Central Processing Unit (CPU)

82.Which Electronic Components were used in First Generation Computers?

Ans. Vacuum Tubes

83. Which Program runs on a Computer when Computer Boots up?

Ans. Operating System

84.Which Programming Language is used by Apple Computers?

Ans. Swift Language

85.Who is the Father of the Computer?

Ans. Charles Babbage

86.Who is the Father of Motherboard?

Ans. Reed Ghazala

87.When is World Computer Literacy Day?

Ans. 2 December

88.Name the Computer Engineer who received the Nobel Prize for literature in 2003?

Ans. J.M. Coetzee

89. Which is the Physical Part of the Computer System?

Ans. Computer Hardware

90.Which Electronic Device Processes the Data converting it into Information?

Ans. Processor

91.Who Invented WWW (World Wide Web)?

Ans. Sir Tim Berners-Lee (1989)

92.What does BIOS stand for?

Ans. Basic Input/Output System

93.Which of the following is the first calculating device?

Ans. Abacus

94.Who among the following used the term computer worm for the first time?

Ans. John Brunner

95. Which of the following is also called a translator?

Ans. Language Processor

96. 1 Kilobyte is equal to how many bytes?

Ans. 1024 bytes

97.The man who built the first Mechanical Calculator was?

Ans. Blaise Pascal

98.When you purchase a product over a Mobile Phone, the transaction is called?

Ans. M-Commerce

99.Keyboard, Mouse, Joystick are examples of Output devices or Input Devices?

Ans. Input Devices

100.Scientific Name of Computer?

Ans. Silico sapiens

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