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Important Computer MCQs For Competitive Exams part-1 | Set 11

1. With the object-oriented (OO) approach, an object encapsulates, or a programmer.

Correct : B. hides, the details of an object from

2. Granting an outside organization access to Internet web pages is often implemented using a(an) :

Correct : A. Extranet

3. The code that relational database management systems use to perform their database task is referred to as :

Correct : B. SQL

4. …………is the language that enable user to access or manipulate data as organized by appropriate data model :

Correct : A. DML

5. The user commands that are used to interact with a database is called as :

Correct : C. Command

6. An assembler is used to translate a program written in………..

Correct : D. assembly language

7. The operating system controls access to the processor by assigning a(n) ………….to each task requiring the processor’s attention.

Correct : B. slice of time

8. Which of the following is the correct sequence of actions that takes place during the boot-up process?

Correct : B. Activate BIOS-Perform POST-Load operating system-Check configuration settings

9. Which of the following position is not available for fonts on MS Word?

Correct : D. Centered

10. Before a package can be used in a java program it must be ………..

Correct : C. imported

11. The different styles of lettering in a word processing program………..

Correct : A. font

12. To move down a page in a document……

Correct : D. scroll

13. Which was the first Scientific Computer Programming Language?

Correct : D. FORTRAN

14. Flow control in TCP/IP is handled using :

Correct : D. Variable-size sliding window

15. This component is required to process data into information and consists of integrated circuits.

Correct : C. CPU

16. From which menu you can insert Header and Footer?

Correct : A. Insert Menu

17. Moves the cursor one space to the right to puts spaces in between words………..

Correct : B. space bar

18. The horizontal and vertical lines on a worksheet are called :

Correct : D. gridlines

19. Which of the following features usually applies to data in data warehouse?

Correct : B. Most applications consists of transactions

20. What type of program controls the various computer parts and allows the user interact with the computer?

Correct : A. Utility software

21. The command used to remove text or graphics from a document. The information is then stored on a clipboard so you can paste it.

Correct : B. cut

22. People, procedures, software, hardware, and data are the five parts of a(n) :

Correct : C. information system

23. The feature of Word that automatically adjusts the amount of space between certain combination of characters so that an entire word looks more evenly spaced. What is that feature called?

Correct : C. Kerning

24. Which of the following statement is wrong?

Correct : B. Linux is owned and sold by Microsoft

25. A phenomenon in virtual memory schemes in which the processor spends most of the time swapping pages rather than executing instructions is :

Correct : C. thrashing

26. Give the name of the Linear list in which elements can be added at ends but not in the middle :

Correct : B. Queue

27. Flip-flop is the basic structure of the device:

Correct : B. Memory

28. What is a specialized software program that allows input and output devices to communicate with the rest of the computer system?

Correct : D. Device driver

29. A dumb terminal has :

Correct : D. A keyboard and screen

30. Which of the following is a software selection criteria?

Correct : D. All of these

31. Which of the following memories needs refresh?

Correct : B. DRAM

32. …………is paperless document transfer between companies.

Correct : B. EDI

33. The switching devices used in First Generation computer’s were :

Correct : D. Vacuum Tubes

34. A software used to convert source program instructions to object instruction is known as :

Correct : D. Language processor

35. WAIS stands for :

Correct : D. Wide Area Information Service

36. Which type of processing speed measurement is used primarily with supercomputers?

Correct : A. Flops

37. What is the term associated with the second part of an e-mail address?

Correct : D. Domain name

38. This is a group of servers that share work and may be able to back each other up if one server fails.

Correct : B. Cluster

39. Smart Card is

Correct : B. Microprocessor Cards

40. A screen element of MS Word that is usually located below the title bar that provides categorized options is :

Correct : A. Menu bar

41. Which keys can be used together with other keys for special tasks?

Correct : B. Ctrl, Shift

42. Data related crime does not incorporate :

Correct : D. Data Mining

43. ‘DOS’ floppy disk does not have :

Correct : D. Virtual Memory

44. A disk on which you store information…..

Correct : B. data disk

45. Lets you leave a screen or program……..

Correct : C. exit

46. Procedures are typically documented in manuals written by :

Correct : A. computer specialists

47. What deletes the entire file except the file structure?

Correct : C. ZAP

48. ………takes one line, checks it for errors and then executes it.

Correct : B. Interpreter

49. Which of the following is not an input device?

Correct : D. COM (Computer Output to Microfilm)

50. A technique used by codes to convert an analog signal into a digital bit stream is known as :

Correct : A. Pulse code modulation

51. The number of bits that can be transmitted over a network in a certain period of time :

Correct : C. Bandwidth

52. Linux partitions are created using the file system :

Correct : C. EXT3

53. Which of the following data structure is widely used in a network model RDBMS?

Correct : C. graphs

54. The scientist who developed the idea of the WWW is :

Correct : B. Tim Berns Lee

55. What was the data transmission method in which bi-directional data flow is allowed?

Correct : B. Duplex

56. To check the presence of a computer in the network, use the command :

Correct : A. ping

57. The word processing task associated with changing the appearance of a document is :

Correct : C. Formatting

58. Easy to use……….

Correct : A. user friendly

59. Anything written on the screen……….

Correct : B. text

60. A method of executing two or more programs concurrently using the same computer describe :

Correct : B. multi programming

61. A one-time password is :

Correct : A. one that changes every time it is used

62. A hardware interface that allows for the connection of several peripheral devices to a single PCI board.

Correct : A. SCSI

63. ……….is a language, instead of using numbers, programmers began using English like abbreviations (Mnemonics) to represent the elementary operations.

Correct : C. Assembly level language

64. Encryption decryption are functions of :

Correct : B. Session layer

65. The process of building a model that demonstrate the features of a proposed product, service or system is called a :

Correct : D. prototyping

66. Memory, also called random access memory, or RAM………

Correct : D. consists of electronic components that store data

67. A……….represent approximately one billion memory locations.

Correct : C. gigabyte

68. An interrupt handler is a(n) :

Correct : D. special numeric code that indicates the priority of a request

69. All of the following are steps involved in the boot process EXCEPT :

Correct : D. load application programs

70. A port that allows 8 bits at a time to be transmitted simultaneously is a(n)………..

Correct : B. parallel port

71. Which of these terms refer to the feature of an OS that allows a single computer to process the tasks of several users at different stations, in round-robin fashion?

Correct : E. Time-sharing

72. A program which helps create written documents and lets you go back and make corrections as necessary………..

Correct : D. word processor

73. Screen that comes on when you turn on your computer that shows all the icons……..

Correct : A. desktop

74. A place that a user can create to store files………

Correct : C. folder

75. Electronic pens are used with the mouse to write on a slide in which view?

Correct : C. Slide Show

76. When you insert a picture and adjust the height, Word automatically adjusts the …….to maintain the correct proportion.

Correct : D. width

77. Which of the following is NOT one of the steps in the machine cycle?

Correct : D. Pipelining

78. How many peripheral devices can be connected to a single SCSI port?

Correct : B. 8

79. The four-step process of fetch, decode, execute, and store is called a(n) :

Correct : A. machine cycle

80. The operating system is the most common type of…………software.

Correct : C. system

81. The human-readable version of a program is called………..

Correct : D. system code

82. Data are………….in client/server computing.

Correct : C. sent only upon the client’s request

83. The total set of interlinked hypertext documents worldwide is :

Correct : A. HTT

84. Which of the following is not one of the three ‘Mail Merge Helper’ steps?

Correct : C. Set the mailing list parameters

85. Which is the part of a computer that one can touch and feel?

Correct : C. Hardware

86. A command to get a file you worked on from the memory where it was stored……….

Correct : C. open

87. There are several security devices used to stop individuals from exploiting your system. Which of the following is used in conjunction with a firewall?

Correct : A. Proxy server

88. Which of the following is the latest version of MS Word?

Correct : C. Word 2010

89. In the online world of electronic commerce, what do the initials CEM stands for?

Correct : B. Customer Experience Management

90. What type of program controls the various- computer parts and allows the user interact with the computer?

Correct : A. Utility Software

91. Which of the following transmission systems provide the highest data rate to in individual device?

Correct : A. computer bus

92. The combination of the operating system 1101.Leaves of which of the following trees are at the same level?

Correct : B. B-tree

93. The transformation of a message into an encoded form is known as :

Correct : B. Encoding

94. The unique signal, generated by a device, that tells the operating system that it is in need of immediate attention is called an :

Correct : C. interrupt

95. Before a disk can be used to store data. It must be………

Correct : A. Formatted

96. ………….software allows users to perform calculations on rows and columns of data.

Correct : C. Database Management Systems

97. When you quickly press and release that left mouse button twice, you are……….

Correct : C. Double-clicking

98. All of the following statements concerning windows are true EXCEPT :

Correct : B. windows can be resized and repositioned on the desktop

99. The only language understood by a digital computer is called :

Correct : D. Binary language

100. The computers can be on different local networks in a………..

Correct : B. Domain