Quiznetik
Important Computer MCQs For Competitive Exams part 2 | Set 1
1. Which of the following is the primary output device for computers?
A. Video monitor
B. Printer
C. Keyboard
D. Mouse
E. None of these
Correct : A. Video monitor
2. A directory within a directory is called
A. Mini Directory
B. Junior Directory
C. Part Directory
D. Sub-Directory
E. None of these
Correct : D. Sub-Directory
3. In windows XP, which shorcut is used to cycle through opened items in taskbar?
A. Ctrl + Tab
B. Alt + Tab
C. Ctrl + Esc
D. Alt + Esc
E. None of these
Correct : D. Alt + Esc
4. Stored data in which of the following remains intact even after the computer is turned off?
A. RAM
B. Motherboard
C. Secondary Storage Device
D. Primary Storage Device
E. None of these
Correct : C. Secondary Storage Device
5. SMTP, FTP and DNS are applications of the ________ layer.
A. Data link
B. Network
C. Transport
D. Application
E. None of these
Correct : D. Application
6. Which of the following is not a common feature of software applications?
A. Menus
B. Windows
C. Help
D. Search
E. None of these
Correct : B. Windows
7. In MICR, C stands for
A. Code
B. Colour
C. Computer
D. Character
E. None of these
Correct : D. Character
8. A _______ computer is a large and expensive computer capable of simultaneously processing data for hundreds or thousands of users.
A. server
B. mainframe
C. desktop
D. tablet
E. None of these
Correct : B. mainframe
9. The trend in computer systems is towards the use of graphical user interfaces (GUIs). In these operating systems, a track ball is described as
A. a roller ball which moves the cursor.
B. a pen-shaped device which allows data to be entered through the CRT screen.
C. a figure which resembles a familiar office device.
D. an outdated input device.
E. None of these
Correct : A. a roller ball which moves the cursor.
10. The _______ folder retains copies of messages that you have started but are not yet ready to send
A. Inbox
B. Outbox
C. Drafts
D. Sent Items
E. Address Book
Correct : C. Drafts
11. The ability of an OS to run more than one application at a time is called
A. multitasking
B. object-oriented programming
C. multiuser computing
D. time-sharing
E. None of these
Correct : A. multitasking
12. Which of the following is an example of non-numeric data?
A. Employee address
B. Examination score
C. Bank balance
D. All the above
E. None of these
Correct : E. None of these
13. Coded entries which are used to gain access to a computer system are called
A. Entry codes
B. Passwords
C. Security commands
D. Codewords
E. None of these
Correct : B. Passwords
14. To move to the bottom of a document, press
A. Insert key
B. Home key
C. Ctrl key + End key
D. End key
E. None of these
Correct : C. Ctrl key + End key
15. A device that is connected to the motherboard is _______.
A. called an external device.
B. called an adjunct device.
C. called a peripheral device.
D. connected using ribbon cable.
E. None of these
Correct : C. called a peripheral device.
16. An error is also known as
A. bug
B. debug
C. cursor
D. icon
E. None of these
Correct : A. bug
17. What type of device is a keyboard?
A. Black
B. Input
C. Output
D. Word processing
E. None of these
Correct : B. Input
18. Arithmetic operations
A. involve matching one data item to another to determine if the first item is greater than, equal to or less than the other item.
B. sort data items according to standard, predefined criteria in ascending or descending order.
C. use conditions with operators such as AND, OR and NOT.
D. include addition, subtraction, multiplication and division.
E. None of these
Correct : D. include addition, subtraction, multiplication and division.
19. Which part of the computer helps to store information?
A. Disk drive
B. Keyboard
C. Monitor
D. Printer
E. None of these
Correct : A. Disk drive
20. Which of the following is the default mask of a class A IP address?
A. 255.0.0.255
B. 255.255.0.0
C. 255.0.0.0
D. 255.255.255.0
E. None of these
Correct : C. 255.0.0.0
21. What is Internet ?
A. A new type of cabling system for Wide Area Networks
B. A second local area network that can connect with another online LAN to share access
C. A new standard for Internet browsers
D. An association to develop advanced Internet technology
E. None of these
Correct : D. An association to develop advanced Internet technology
22. To drop a column that is used as a foreign key, first
A. drop the primary key.
B. drop the table.
C. drop the foreign key constraint.
D. All the above
E. None of these
Correct : C. drop the foreign key constraint.
23. The name given to a document by user is called
A. Filename
B. Program
C. Data
D. Record
E. None of these
Correct : A. Filename
24. ________ is a procedure that requires users to enter an identification code and a matching password.
A. Paging
B. Logging on
C. Time sharing
D. Multitasking
E. None of these
Correct : B. Logging on
25. Which device is used as the standard pointing device in a Graphical User Environment?
A. Keyboard
B. Mouse
C. Joystick
D. Track ball
E. None of these
Correct : B. Mouse
26. The Assistant is
A. an application that allows you to take notes and save them in a file.
B. an animated character that provides help and suggestions.
C. a button on the standard Toolbar that executes the Print command.
D. a collection of frequently misspelled words in a dictionary file.
E. None of these
Correct : B. an animated character that provides help and suggestions.
27. A CPU contains
A. a card reader and a printing device.
B. an analytical engine and a control unit.
C. a control unit and an arithmetic logic unit.
D. an arithmetic logic unit and a card reader.
E. None of these
Correct : C. a control unit and an arithmetic logic unit.
28. The ability of an OS to run more than one application at a time is called
A. multitasking
B. object-oriented programming
C. multi user computing
D. time-sharing
E. None of these
Correct : A. multitasking
29. Permanent instructions that the computer uses when it is turned on and that cannot be changed by other instructions are contained in
A. ROM
B. RAM
C. ALU
D. REM
E. None of these
Correct : A. ROM
30. What are .bas, .doc and .htm examples of?
A. Databases
B. Extensions
C. Domains
D. Protocols
E. None of these
Correct : B. Extensions
31. The vast network of computers that connects millions of people all over the world is called
A. LAN
B. Web
C. Hypertext
D. Internet
E. None of these
Correct : D. Internet
32. The property that when classes are arranged in a hierarchy, each class assumes the attributes and methods of its ancestors is called
A. generalisation
B. inheritance
C. encapsulation
D. information hiding
E. None of these
Correct : B. inheritance
33. The software component of an expert system that draws conclusions is the
A. user interface
B. database
C. inference engine
D. I/O controller
E. model base
Correct : C. inference engine
34. The attributes and methods for each object are stored in
A. an object instance
B. an object connection
C. an assembly structure
D. an object repository
E. None of these
Correct : D. an object repository
35. One advantage of dial-up Internet access is
A. it utilises broadband technology.
B. it utilises existing telephone service.
C. it uses a router for security.
D. modem speed is very fast.
E. None of these
Correct : B. it utilises existing telephone service.
36. What is backup?
A. Adding more components to your network
B. Protecting data by copying it from the original source to a different destination
C. Filtering old data from the new data
D. Accessing data on tape
E. None of these
Correct : B. Protecting data by copying it from the original source to a different destination
37. Which of the following is true ?
A. Byte is a single digit in a binary number.
B. Bit represents a grouping of digital numbers.
C. An eight-digit binary number is called a byte.
D. An eight-digit binary number is called a bit.
E. None of these
Correct : C. An eight-digit binary number is called a byte.
38. A hard copy of a file created on a computer refers to data
A. saved on a floppy disk.
B. printed on a printer.
C. backed up on a tape drive.
D. sent as an e-mail.
E. None of these
Correct : B. printed on a printer.
39. A ______ is an organised collection of data about a single entity.
A. file
B. library
C. database
D. dictionary
E. None of these
Correct : A. file
40. Something which has easily understood instructions is said to be
A. user-friendly
B. information
C. word processing
D. icon
E. None of these
Correct : A. user-friendly
41. Hardware devices that are not part of the main computer system and are often added later to the system are called
A. clip art
B. highlight
C. execute
D. peripherals
E. None of these
Correct : D. peripherals
42. All of the following are examples of real security and privacy risks except
A. Hackers
B. Spam
C. Viruses
D. Identity theft
E. None of these
Correct : B. Spam
43. If you want to move an icon on your desktop, this is called
A. double clicking
B. highlighting
C. dragging
D. pointing
E. None of these
Correct : C. dragging
44. A computer checks the ________ of usernames and passwords for a match before granting access.
A. website
B. network
C. backup file
D. database
E. None of these
Correct : D. database
45. Computers that are portable and convenient for users who travel are known as
A. supercomputers
B. laptops
C. minicomputers
D. file servers
E. None of these
Correct : B. laptops
46. A MODEM is connected in between a telephone line and a
A. Network
B. Computer
C. Communication Adapter
D. Serial Port
E. All of these
Correct : B. Computer
47. Windows is ________ and Window 95, Window 98 are________.
A. Graphical User Interface, Operating System
B. Graphics Useful Interface, Executing Systems
C. Graph User Interval, Expert Systems
D. Graphical Use Interphase, Excel Systems
E. None of these
Correct : A. Graphical User Interface, Operating System
48. Which of the following is the most widely used input device?
A. Mouse
B. Keyboard
C. Modem
D. Monitor
E. None of these
Correct : B. Keyboard
49. The blinking symbol which indicates the next position of the character is called
A. Delete key
B. Control key
C. Cursor
D. Return key
E. None of these
Correct : C. Cursor
50. A small figure which depicts some application on the screen is called
A. Menu
B. Photo
C. Modem
D. Icon
E. None of these
Correct : D. Icon
51. Storage and memory differ with respect to which of the following characteristics?
A. Price
B. Reliability
C. Speed
D. All of the above
E. None of these
Correct : D. All of the above
52. What are the two examples of freeware?
A. WinZip and Linux
B. Shareware and file sharing
C. Microsoft Word and the Google toolbar
D. Instant messaging and the Google toolbar
E. Microsoft Power Point and Microsoft Excel
Correct : D. Instant messaging and the Google toolbar
53. What is e-commerce?
A. Buying and selling of international goods
B. Buying and selling of products and services over the Internet
C. Buying and selling of products and services not found in stores
D. Buying and selling of products having to do with computers
E. Buying and selling of electronic goods
Correct : B. Buying and selling of products and services over the Internet
54. The ________ tells the computer how to use its components.
A. utility
B. network
C. operating system
D. application program
E. None of these
Correct : C. operating system
55. A ________ contains buttons and menus that provide quick access to commonly used commands.
A. menu bar
B. toolbar
C. window
D. action bar
E. None of these
Correct : B. toolbar
56. Which of the following displays the contents of an active cell?
A. Toolbar
B. Menu bar
C. Namebox
D. Formula bar
E. None of these
Correct : D. Formula bar
57. What type of program controls the various computer parts and allows the user to interact with the computer?
A. Utility software
B. Operating system
C. Word processing software
D. Database program
E. None of these
Correct : B. Operating system
58. Network components are connected to the same cable in the ________ topology.
A. star
B. ring
C. bus
D. mesh
E. mixed
Correct : C. bus
59. Which of the following is the largest unit of storage ?
A. GB
B. KB
C. MB
D. TB
E. All are equal
Correct : D. TB
60. Which type of software manages the computer’s processes, functioning as an interface, connecting user, the application software and the hardware ?
A. System software
B. Utility program
C. Translator program
D. Operating system
E. None of these
Correct : D. Operating system
61. The portion of the CPU that coordinates the activities of all the other computer components is the
A. motherboard
B. coordination board
C. control unit
D. arithmetic logic unit
E. None of these
Correct : C. control unit
62. The primary device that a computer uses to store information is
A. TV
B. storehouse
C. desk
D. hard drive
E. None of these
Correct : D. hard drive
63. Which of the following is a program that works like a calculator for keeping track of money and making budgets?
A. Calculator
B. Spreadsheet
C. Budgeter
D. Financier
E. None of these
Correct : B. Spreadsheet
64. What menu is selected to print?
A. File
B. Tools
C. Social
D. Edit
E. None of these
Correct : A. File
65. Which of the following is a program or a set of electronic instructions that tell a computer what to do?
A. Menu
B. Monitor
C. Hardware
D. Software
E. None of these
Correct : D. Software
66. ________are symbols that represent any character or combination of characters.
A. Playing cards
B. Wildcards
C. Private keys
D. Public keys
E. None of these
Correct : B. Wildcards
67. Which of the following is a word in a web page that, when clicked, opens another document?
A. Anchor
B. Hyperlink
C. Reference
D. URL
E. None of these
Correct : B. Hyperlink
68. The________, also called the Web, contains billons of documents.
A. World Wide Web
B. HTTP
C. Webportal
D. domain
E. None of these
Correct : A. World Wide Web
69. A(n)________is a small group of computers and peripherals linked together in a small geographic area
A. MAN
B. PAN
C. CAN
D. LAN
E. None of these
Correct : D. LAN
70. .bas, .doc and . htm are the examples of
A. Database
B. Extension
C. Domain
D. Protocol
E. None of these
Correct : B. Extension
71. Saving is a process
A. to copy document from memory to storage medium.
B. to change the content of any document.
C. to change the display or entire document.
D. to develop document by entering text using keyboard
E. None of these
Correct : A. to copy document from memory to storage medium.
72. ________ is the process of implementing command
A. Fetching
B. Storing
C. Decoding
D. Executing
E. None of these
Correct : D. Executing
73. ________ is a printed information that exists in real sense and is more permanent form of output than the output existing on the display device.
A. Soft copy
B. Carbon copy
C. Hard copy
D. Desk copy
E. None of these
Correct : C. Hard copy
74. The process of a computer receiving information from a server on the Internet is known as
A. pulling
B. pushing
C. downloading
D. transferring
E. None of these
Correct : C. downloading
75. You access Microsoft Word by using ________ button.
A. New
B. Start
C. Program
D. Control Panel
E. None of these
Correct : C. Program
76. Any data or instruction entered into the memory of a computer is considered as
A. storage
B. output
C. input
D. information
E. None of these
Correct : D. information
77. Which of the following could you do to remove a paragraph from a report you had written?
A. Delete and edit
B. Select and delete
C. Cut and paste
D. Undo typing
E. None of these
Correct : B. Select and delete
78. All of the following storage media have Read and Write capabilities except
A. flash memory cards
B. CD-ROMs
C. hard disk drives
D. floppy disks
E. None of these
Correct : B. CD-ROMs
79. In Excel,_____ contains one or more worksheets.
A. Template
B. Workbook
C. Active cell
D. Label
E. None of these
Correct : B. Workbook
80. Which of the following is a popular programming language for developing multimedia web pages, websites, and web-based applications?
A. COBOL
B. Java
C. BASIC
D. Assembler
E. None of these
Correct : B. Java
81. Compiling creates a(n)
A. program specification
B. algorithm
C. executable program
D. subroutine
E. None of these
Correct : C. executable program
82. Computers use the ________ number system to store data and perform calculations.
A. decimal
B. hexadecimal
C. octal
D. binary
E. None of these
Correct : D. binary
83. The ________ key will launch the Start button.
A. esc
B. shift
C. Windows
D. Shortcut
E. None of these
Correct : C. Windows
84. A Web site address is a unique name that identifies a specific ________ on the Web
A. Web browser
B. PDA
C. Web Site
D. link
E. None of these
Correct : D. link
85. A character of information is represented by a(n)
A. byte
B. bit
C. field
D. attribute
E. None of these
Correct : B. bit
86. A set of instructions telling the computer what to do is called
A. mentor
B. instructor
C. compiler
D. program
E. None of these
Correct : D. program
87. To “maximise” a window means to
A. fill it to capacity.
B. expand it to fit the desktop.
C. put it on toolbar.
D. drag it to the Recycle Bin.
E. None of these
Correct : B. expand it to fit the desktop.
88. The “home page” of a web site is
A. the largest page.
B. the last page.
C. the first page.
D. the most colourful page.
E. None of these
Correct : C. the first page.
89. What is ISL used for?
A. To allow an Ethernet interface to understand frame tags
B. To make two Ethernet interfaces appear as one
C. To connect an Ethernet switch with a high-speed core switch such as ATM
D. To allow simultaneous routing and switching
E. None of these
Correct : A. To allow an Ethernet interface to understand frame tags
90. Which of the following is NOT associated with Computers?
A. Bit
B. Binary
C. Pencil
D. Mouse
E. Screen
Correct : C. Pencil
91. ‘MICR’ technology used for clearance of cheques by banks refers to
A. Magnetic Ink Character Recognition
B. Magnetic Intelligence Character Recognition
C. Magnetic Information Cable Recognition
D. Magnetic Insurance Cases Recognition
E. None of these
Correct : A. Magnetic Ink Character Recognition
92. Modern Computers represent characters and numbers internally using which of the following number systems?
A. Penta
B. Octal
C. Hexa
D. Septa
E. Binary
Correct : E. Binary
93. A ________ is approximately a million bytes.
A. gigabyte
B. kilobyte
C. megabyte
D. terabyte
E. None of these
Correct : C. megabyte
94. If you wish to extend the length of the network without having the signal degrade, you would use a
A. repeater
B. router
C. gateway
D. switch
E. None of these
Correct : A. repeater
95. Which of the following is used to move down a page in a document?
A. Jump
B. Fly
C. Wriggle
D. Scroll
E. None of these
Correct : D. Scroll
96. Date and Time are available on the desktop at
A. Taskbar
B. My Computer
C. Recycle Bin
D. Only (2) and (3)
E. None of these
Correct : A. Taskbar
97. Which type of resource has greater probability to become shared resource in a computer network?
A. Printers
B. Speakers
C. Floppy Disc Drivers
D. Keyboards
E. None of these
Correct : A. Printers
98. Which of the following terms is used to describe the movement of an item with the help of mouse to a new position on screen?
A. Click
B. Double-click
C. Drag and drop
D. Point
E. Right-click
Correct : C. Drag and drop
99. System software is the set of programs that enables your computer’s hardware devices and ________ software to work together.
A. Management
B. Processing
C. Utility
D. Application
E. None of these
Correct : D. Application
100. Select the odd one out.
A. Interpreter
B. Operating System
C. Compiler
D. Assembler
E. None of these
Correct : B. Operating System