Important Computer MCQs For Competitive Exams part-1 | Set 20
1. What kind of memory is both static and non-volatile?
Correct : B. ROM
2. …………is computer software designed to operate the computer hardware and to provide platform for running application software
Correct : B. System software
3. The…………is the amount of data that a storage device can move from the storage medium to the Computer per second.
Correct : C. data transfer rate
4. A device, which is not connected to CPU, is called as……….
Correct : C. Off-line device
5. What is the other name for programmed chip?
Correct : B. ROM
6. On-line real time systems become popular in………..generation
Correct : C. Third Generation
7. ………..is the ability of a device to “jump” directly to the requested data.
Correct : B. Random access
8. The task of performing operations like arithmetic and logical operations is called
…………
Correct : A. Processing
9. The ALU and Control Unit jointly known as
Correct : C. CPU
10. RAM is an example of
Correct : B. Primary memory
11. Magnetic disk is an example of
Correct : A. Secondary memory
12. Which one of the following is NOT a computer language?
Correct : A. MS-Excel
13. Each memory cell has a unique number, assigned to it is called as the……….of the cell
Correct : A. Address
14. The server on the internet is also known as :
Correct : B. Host
15. Website is a collection of :
Correct : D. All of these
16. ……….is a method in which multiple communication devices are connected to one another efficiently.
Correct : A. Switching
17. One computer that is not considered a portable computer is………..
Correct : A. Mini computer
18. The sharing of a medium and its path by 2 or more devices is called……….
Correct : D. Multiplexing
19. Device drivers are :
Correct : C. small, special purpose programs
20. Array is………….
Correct : C. complex data structure
21. A stored link to a webpage, in order to have a quick and easy access to it later, is called :
Correct : D. Both (a) and (c)
22. Which input device cannot be used to work in MS Office?
Correct : D. Joy stick
23. ………….is an animated character that gives help in MS Office?
Correct : C. Office assistant
24. RAM is also called as
Correct : A. Read/Write Memory
25. ……….Store data or information
temporarily and pass it on as directed by the control unit
Correct : B. Register
26. Select the Odd one
Correct : A. Operating System
27. A………..is an additional set of commands that the computer displays after you make a selection from the main menu.
Correct : A. dialog box
28. COBOL is an acronym for…………
Correct : A. Common Business Oriented Language
29. All of the following are examples of real security and privacy risks EXCEPT :
Correct : B. spam
30. Which of the following is NOT one of the
four major data processing functions of a computer?
Correct : C. analyzing the data or information
31. All of the following are examples of storage devices EXCEPT :
Correct : B. printers
32. The CPU and memory are located on the :
Correct : B. motherboard
33. ……….is the science that attempts to produce machines that display the same type of intelligence that humans do.
Correct : D. Artificial intelligence (AI)
34. Servers are computers that provide resources to other computers connected to a :
Correct : A. network
35. When creating a computer program, the
…………designs the structure of the program
Correct : B. System Analyst
36. A computer program that converts an entire program into machine language at one time is called a/an
Correct : C. compiler
37. Computers process data into information by working exclusively with :
Correct : D. numbers
38. The difference between people with access to computers and the Internet and those without this access is known as the :
Correct : A. digital divide
39. The ability to recover and read deleted or damaged files from a criminal deleted computer is an example of a law enforcement specialty called :
Correct : C. computer forensics
40. Where does most data go first with in a computer memory hierarchy?
Correct : A. RAM
41. Which command divides the surface of the blank disk into sectors and assign a unique address to each one
Correct : B. Format
42. If you need to duplicate the entire disk, which command will you use?
Correct : B. Diskcopy
43. A………..sometimes called a boot sector virus, executes when a computer boots up because it resides in the boot sector of a floppy disk or the master boot record of a hard disk.
Correct : E. None of these
44. A result of a computer virus can not lead to………
Correct : B. Mother Board Crash
45. Every computer connected to an intranet or extranet must have a distinct………..
Correct : B. proxy server
46. Programming language built into user programs such as Word and Excel are known as……………
Correct : D. visual programming languages
47. Firewalls are used to protect against
………..
Correct : A. Unauthorized Attacks
48. Which of the following extensions suggest that the file is a backup copy
Correct : A. Bak
49. Computer programs are written in a high-
level programming language; however, the human-readable version of a program is called…………..
Correct : C. source code
50. The software tools that enable a user to interact with a computer for specific purposes are known as………….
Correct : D. Applications
51. ……….processing is used when a large mail-order company accumulates orders and processes them together in one large set.
Correct : A. Batch
52. When a file contains instructions that can be carried out by the computer, it is often called a(n)…………file.
Correct : C. executable
53. A compiler translates a program written in a high-level language into…………
Correct : A. Machine language
54. A set of step-by-step procedures for accomplishing a task is known as a(n)……….
Correct : A. algorithm
55. A complete electronic circuit with transistors and other electronic components on a small silicon chip is called a(n)…………
Correct : D. Integrated circuit
56. A saved document is referred to as a
………….
Correct : A. file
57. What is output?
Correct : D. What the processor gives to the user
58. When you turn on the computer, the boot routine will perform this test…………
Correct : B. Disk drive test
59. Which of the following storage media provides sequential access only?
Correct : A. Floppy disk
60. In word processing, an efficient way to move the 3rd paragraph to place it after the 5th paragraph is
Correct : D. cut and paste
61. The term ‘user interface’ refers to………..
Correct : A. What the user sees on the screen and how they can interact with it
62. For creating a document, you use…….. command at File Menu.
Correct : C. New
63. The………..becomes different shapes
depending on the task you are performing.
Correct : C. Mouse pointer
64. Specialized programs that assist users in locating information on the Web are called……..
Correct : B. Search engines
65. The background of any Word document
…………
Correct : D. Can have any colour you choose
66. Any letter, number, or symbol found on the keyboard that you can type into the computer
……………
Correct : B. character
67. A symbol or question on the screen that prompts you to take action and tell the computer what to do next …………..
Correct : C. prompt and dialog box
68. Commands at the top of a screen such as : FILE-EDIT-FONT-TOOL to operate and change things within programs………..
Correct : A. menu bar
69. The primary device that a computer uses to store information…………
Correct : D. hard drive
70. A file extension is separated from the main file name with a(n)……….but no spaces.
Correct : E. None of these
71. Application software is designed to accomplish………….
Correct : D. operating system tasks
72. A………..is a device that not only provides
surge protection, but also furnishes your computer with battery backup power during a power outage.
Correct : C. UPS
73. ……….this is the act of copying or downloading a program from a network and making multiple copies of it.
Correct : C. Software p racy
74. When installing………the user must copy and usually decompress program files from a CDROM or other medium to the hard disk.
Correct : A. programming software
75. Which one of the following would be considered as a way that a computer virus can enter a computer system?
Correct : B. Borrowed an illegal copy of software
76. Programs such as Mozila Firefox that serve
as navigable windows into the web are called…………
Correct : D. Web browsers
77. What is the main difference between a mainframe and a super computer?
Correct : C. Super computers are focused to execute few programs as fast as possible while mainframe uses its power to execute as many programs concurrently
78. What is the function of R cycle Bin?
Correct : A. Store deleted file
79. Which is the latest version of MS Office?
Correct : D. Office 2010
80. Which device cannot be shared in network?
Correct : B. Keyboard
81. What is the purpose of query?
Correct : D. All of these
82. Which port doesn’t exist in computer?
Correct : A. USB
83. What is the name of excel files?
Correct : A. Workbook
84. Workgroup means
Correct : A. Computers in network
85. Synonym can be reviewed with
Correct : B. Thesaurus
86. Which command allows you to reduce fragments of file and optimize the performance of disk?
Correct : D. Defrag
87. A normal CD-ROM usually can store up to
………..data?
Correct : C. 680 MB
88. Which programming languages are classified as low level languages?
Correct : D. Assembly Languages
89. Which of the following devices have a limitation that we can only store information to it but cannot erase or modify it?
Correct : D. CDROM
90. Which of the following is the largest manufacturer of Hard Disk Drives?
Correct : B. Seagate
91. The programs which are as permanent as hardware and stored in ROM is known as
Correct : C. Firmware
92. To save a document in different location use :
Correct : B. Save as
93. Which of the following is not an manufacturer of Hard Disk drives?
Correct : B. Intel
94. A disadvantage of the laser printer is :
Correct : E. None of these
95. Different components, on the motherboard of a PC processor unit are linked together by sets or parallel electrical conducting lines. What are these lines called?
Correct : B. Buses
96. Which of the following professions has been affected by personal computers?
Correct : D. All of these
97. What is meant by a dedicated computer?
Correct : B. Which is assigned one and only one task
98. A computer program that translates one program instructions at a time into machine language is called a/an
Correct : A. Interpreter
99. Instructions and memory address are represented by