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………..