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Important Computer MCQs For Competitive Exams part-1 | Set 15

1. What type of device is a computer printer?

Correct : E. Output

2. What is the biggest number you can get with 8 bits?

Correct : E. 1024

3. What type of device is a digital camera?

Correct : A. Input

4. What is mailing-list?

Correct : A. Collection of e-mail addresses

5. Hardware attached to a tower is known as :

Correct : C. Peripheral

6. What is a standard file format for text files?

Correct : C. Word (.doc)

7. Which devices were used in first generation of computers :

Correct : D. Vaccum tubes

8. Which part of the hardware compensate the difference between the speed of CPU and peripheral?

Correct : D. Motherboard

9. Computers designed for specialized work and specific instructions?

Correct : D. Super computer

10. Who manages for computer resources?

Correct : C. Control unit

11. Which of the following statements is true about RAM?

Correct : C. It contains start-up instructions

12. MB stands for :

Correct : B. Mega Bytes

13. Identify the fastest memory :

Correct : C. Cache Memory

14. To start a computer system, which memory is optional?

Correct : B. ROM

15. Which high speed memory co-ordinate with the speed gap between processor and main memory?

Correct : A. Cache

16. A data warehouse is which of the following?

Correct : C. Organized around important subject areas

17. Which of the following is largest unit of storage………..?

Correct : D. TB

18. This part of the operating system manages the essential peripherals, such as the keyboard, screen, disk drives, and parallel and serial posts………

Correct : A. Basic input/output system

19. Making a field……….means that it cannot be left bank.

Correct : B. Required

20. Disk can be used to store_

Correct : A. Sequential files

21. Which of the following is NOT the part of DBMS?

Correct : A. Monitoring the data input

22. Firewall acts as _

Correct : C. Router

23. Which of the following is not a part of CPU?

Correct : B. Hard Disk

24. Which of the following is NOT the function of Clock in CPU?

Correct : D. Both (a) and (b)

25. LOOP in a computer_ _

Correct : B. repetivilly executes given data

26. Which of the following memories can be erased?

Correct : A. RAM

27. How many keys were in keyboard used in early days………..

Correct : A. 90

28. How much data can be stored in one CD ………….

Correct : C. 700 mb

29. Who is the father of Computer………?

Correct : B. Charles Babbage

30. We can connect two or more than two personal computers to create a………..

Correct : D. Network

31. Bit is a short form of :

Correct : E. binary digit

32. CD-ROM is a

Correct : E. None of these

33. The octal equivalent of 111010 is :

Correct : C. 71

34. Which type of memory holds only the program and data that the CPU is presently processing?

Correct : C. RAM

35. A button that makes character either upper or lower case and numbers to symbol.

Correct : B. shift key

36. Pick the Odd one

Correct : C. Printer

37. Programs designed specifically to address general-purpose applications and special- purpose applications are called………..

Correct : C. application software

38. A series of instruction that tells a computer what to do and how to do it called a………..

Correct : A. operating system

39. A series of instruction that tells a computer what to do and how to do it called a………..

Correct : D. processor

40. A screen list of options in a program that tells you what is in that program………..

Correct : C. menu

41. A……….contains buttons and menus that provide quick access to commonly used commands.

Correct : B. toolbar

42. Letters, numbers and symbols found on a keyboards are……….

Correct : C. Keys

43. What menu is selected to print?

Correct : A. File

44. Programs or a set of electronic instructions that tell a computer what to do………..

Correct : D. Software

45. A(n)…………contains commands that can be selected.

Correct : C. icon

46. Microcomputer hardware consists of three basic categories of physical equipments……..

Correct : B. system unit, input/output, memory

47. A piece of hardware that is used to enter information into the computer by using keys……..

Correct : A. keyboard

48. Date and Time are available on the desktop at :

Correct : D. Task Bar

49. Periodically adding, changing and deleting file records is called file………..

Correct : B. upgrading

50. Capital letters on a keyboard are referred to as ………

Correct : D. upper case letters

51. Devices that make up a computer system that you can see or touch………..

Correct : D. hardware

52. An output device that lets you see what the computer is doing………

Correct : B. monitor-screen

53. Bit is short for…………

Correct : C. binary digit

54. A symbol on the screen that represents a disk, document or programs that you can select……….

Correct : C. icon

55. A…………is an example of an input device.

Correct : E. Both (a) & (c)

56. A computer cannot ‘boot’ if it does not have the…………

Correct : C. Operating system

57. A command that takes what has been typed into the computer and can be seen on the screen and sends it to the printer for output on paper……….

Correct : A. print

58. A CPU contains………..

Correct : C. a control unit and an arithmetic logic unit

59. Powerful key that lets you exit a program when pushed………..

Correct : C. escape key

60. The ability of an OS to run more than one application at a time is called ………..

Correct : A. multitasking

61. Which of the following statements best describes the batch method of input?

Correct : B. Data is input at the time it is collected

62. The term used to define all input and output devices in a computer system is

Correct : D. Hardware

63. Coded entries which are used to gain access to a computer system are called…………

Correct : B. Passwords

64. The part of a computer that coordinates all its function is called its………..

Correct : D. control unit

65. …………represents raw facts, whereas ……..is data made meaningful.

Correct : B. Data, information

66. What is the name of the process that is used to convert a series of instructions, a program, written in a high-level language into instructions (or a program) that can be run on a computer?

Correct : B. Compiling

67. The benefits of using computers is that ……………..

Correct : A. Computers are very fast and can store huge amounts of data

68. The function of CPU is……….

Correct : C. to read, interpret and process the information and instruction

69. What characteristic of read only memory (ROM) makes it useful?

Correct : B. Data in ROM is nonvolatile, that is, it remain there even without electrical power

70. ………..is the process of carrying out commands.

Correct : D. Executing

71. Which of the following peripheral devices displays information to a user?

Correct : A. Monitor

72. The ‘desktop’ of computer referes to………

Correct : A. the visible screen

73. What type of resources is most likely to be a shared common resource in a computer network?

Correct : D. printers

74. To ‘maximize’ a window means to……….

Correct : B. expand it to fit the desktop

75. The ‘home page’ of a web site is………

Correct : C. the first page

76. A personal computer is called………..

Correct : D. PC

77. To put information in a file on a magnetic disk, or in a computer’s memory, so it can be used later :

Correct : A. store

78. Saving is the process of :

Correct : A. copying a document from memory to a storage medium

79. Printed information called………….exists physically and is a more permanent form of output than that presented on display device.

Correct : C. hard copy

80. To find a saved document in the computer’s memory and bring it up on the screen to view……..

Correct : C. retrieve

81. The internet is a system of………..

Correct : D. Interconnected Networks

82. The first computers were programmed using……….

Correct : A. assembly language

83. You organize files by storing them in ………..

Correct : B. folders

84. In order to create columnar data in Word you need to………..

Correct : C. You need to use Excel

85. How many different documents can you have open at any one time?

Correct : C. As many as your computers memory will hold

86. Hackers…………..

Correct : B. break into other people’s computers

87. In page preview mode………

Correct : B. You can only see the pages you are currently working

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

Correct : B. Mini-computer

89. What is the full form of ‘GUI’?

Correct : B. Graphical User Interface

90. Junk e-mail is also called……..

Correct : A. spam

91. A word in a web page that, when clicked, opens another document………..

Correct : C. hyperlink

92. Which of the following referes to a small, single-site network?

Correct : A. LAN

93. Which keystroke will take you at the beginning or the end of a long document?

Correct : C. Ctrl + Home and Ctrl + End

94. In Word you can force a page break ………..

Correct : C. By positioning your cursor at the appropriate place and pressing Ctrl + Enter

95. When you want to move some text from one page to a different page, the best method is…………..

Correct : B. cut and paste

96. To view information on the web you must have a…………

Correct : B. web browser

97. How many margins are on a page?

Correct : B. Four (top, bottom, right, left)

98. Which key is used in combination with another key to perform a specific task?

Correct : D. control

99. What is an embedded system?

Correct : D. A computer and software system that controls a machine or appliance

100. Text in a column is generally aligned……...

Correct : D. left