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Basic of Computer MCQ

Soopro Pathshala provides Basic of Computer MCQ(Multiple Choice Questions)


1. Who is the father of computers?

a) James Gosling

b) Charles Babbage

c) Dennis Ritchie

d) Bjarne Stroustrup

View Answer

Answer: (b) Charles Babbage



2. What is the full form of CPU

a) Computer processing unit

b) Computer principle unit

c) Central processing unit

d) Control processing unit

View Answer

Answer: (c) Central processing unit



3. Which of the following is an output device?

a) keyboard

b) mouse

c) light pen

d) vdu

View Answer

Answer: (d) vdu



4. Which of the following computer language is written in binary codes only?

a) PASCAL

b) MACHINE LANGUAGE

c) C

d) C#

View Answer

Answer: (b) MACHINE LANGUAGQE



5. Which of the follwoing is the brain of the computer?

a) Central Processing Unit

b) Memory

c) Arithmetic and Logic Unit

d) Control Unit

View Answer

Answer: (a) Central Processing Unit



6. Which of the following is an input device?

a) Plotter

b) Printer

c) VDU

d) Mouse

View Answer

Answer: (d) Mouse



7. Which of the following is the extension of notepad?

a) .TXT

b) .XLS

c) .PPT

d) .BMP

View Answer

Answer: (a) .TXT



8. Which one of the following is not input device?

a) Keyboard

b) Mouse

c) Speaker

d) Scanner

View Answer

Answer: (c) Speaker



9. A list of various coded instructions is known as

a) Flowchart

b) Utility Programs

c) Algorithm

d) Computer program

View Answer

Answer: (d) computer program



10. ALU stands for

a) Arithmetic Logic Unit

b) Application Logic Unit

c) Array Logic Unit

d) None of above

View Answer

Answer: (a) Arithmetic Logic Unit



11. A process is a _______

a) single thread of execution

b) program in the execution

c) program in the memory

d) task

View Answer

Answer: (b) program in the execution



12. What is smallest unit of the information?

a) bit

b) byte

c) nibble

d) block

View Answer

Answer: (a) bit



13. BIOS is used?

a) By operating system

b) By compiler

c) By interpreter

d) By application software

View Answer

Answer: (a) By operating system



14. What is the mean of the Booting in the system?

a) Restarting computer

b) Install the program

c) To scan

d) To turn off

View Answer

Answer: (a) Restarting computer



15. The central processing unit is located in the _____.

a) Memory unit

b) System unit

c) Hard disk

d) Monitor

View Answer

Answer: (b) System unit



16. Which one of the following groups contains graphical file extensions?

a) JPG, CPX, GCM

b) GIF, TCE, WMF

c) TCP, JPG, BMP

d) JPG, GIF, BMP

View Answer

Answer: (d) JPG,GIF, BMP



17. Which of the following is equal to a gigabyte?

a) 1024 bits

b) 1024 bytes

c) 1024 mb

d) none of the above

View Answer

Answer: (c) 1024 mb



18. Which of the following computer generation uses concept of artificial intelligence?

a) first generation

b) second generation

c) third generation

d) fifth generation

View Answer

Answer: (d) fifth generation



19. Which of the following is valid storage device?

a) CPU

b) Keyboard

c) Pendrive

d) Trackball

View Answer

Answer: (c) Pendrive



20. Which of the following is not an antivirus software?

a) Avast

b) Linux

c) Norton

d) Kasperkey

View Answer

Answer: (b) Linux



21. First generation of computer was based on which technology?

a) Transistor

b) VLSI

c) LSI

d) Vaccum Tube

View Answer

Answer: (d) Vaccum Tube



22. Microprocessor was introduced in which generation of computer?

a) Second Generation

b) Third Generation

c) Fourth Generation

d) All of above

View Answer

Answer: (c) Fourth Generation



23. Second generation computers are made of?

a) Vaccum Tube

b) VLSI

c) Transistors

d) none of the above

View Answer

Answer: (c) Transistors



24. Which device can not be shared in network?

a) Projector

b) Keyboard

c) Scanner

d) Printer

View Answer

Answer: (b) Keyboard



25. Which device is used as the standard pointing device in a Graphical User Environment?

a) Mouse

b) Keyboard

c) Scanner

d) Joystick

View Answer

Answer: (a) Mouse



26. In how many generations a computer can be classified?

a) 3

b) 4

c) 5

d) 6

View Answer

Answer: (c) 5



27. Which of the following memory is non volatile?

a) SRAM

b) DRAM

c) ROM

d) none of these

View Answer

Answer: (c) ROM



28. GUI stands for

a) Graph User Interface

b) Graphical Universal Interface

c) Graphical User Interface

d) Graphical Unique Interface

View Answer

Answer: (c) Graphical User Interface



29. Third Generation computers used____

a) VLSI

b) Transistors

c) AI

d) Integrated circuits

View Answer

Answer: (d) Integrated circuits



30. Integrated circuits belongs to which of the following generation of computers?

a) Fourth Generation

b) Second Generation

c) Third Generation

d) none of these

View Answer

Answer: (c) Third Generation



31. In the context of digital computer, which of the following pairs of digits is referred to as binary code?

a) 3 and 4

b) 0 and 1

c) 2 and 3

d) 1 and 2

View Answer

Answer: (b) 0 and 1



32. Which unit of the computer is considered as the brain of the computer ?

a) Memory unit

b) Input unit

c) CPU

d) Output unit

View Answer

Answer: (c) CPU



33. What is the full form of PROM?

a) Program read-only memory

b) Primary read-only memory

c) Programmable read-only memory

d) Program read-output memory

View Answer

Answer: (c) Programmable read-only memory



34. What is the full form of URL ?

a) Undistributed Resource Locator

b) Unified Resource Locator

c) Uniform Resource Locator

d) Uniform Region Locator

View Answer

Answer: (c) Uniform Resource Locator



35. Which of the following is an input device used to enter motion data in computers or other electronic devices ?

a) Monitor

b) Trackball

c) Plotter

d) Joystick

View Answer

Answer: (b) Trackball



36. _____ is a small, portable flash memory card that plugs into a computer’s USB port and functions as a portable hard drive ?

a) Flash Drive

b) CD-RW

c) DVD-ROM

d) CD-ROM

View Answer

Answer: (a) Flash Drive



37. Which of the following devices is NOT used to enter data into a computer ?

a) Mouse

b) Keyboard

c) Scanner

d) Monitor

View Answer

Answer: (d) Monitor



38. Trackball is which of the following devices?

a) Input Device

b) Touchpad

c) Scanner

d) Monitor

View Answer

Answer: (a) Input Device



39. A computer on the Internet that uses HTTP protocol is known as: ?

a) LAN

b) Web Server

c) WAP

d) WLAN

View Answer

Answer: (b) Web Server



40. What is the shortcut key for the central alignment of a line or text in MS Office software ?

a) CTRL+E

b) CTRL+C

c) CTRL+G

d) CTRL+A

View Answer

Answer: (a) CTRL + E



41. What is computer memory?

a) device used to store information in computer

b) device to print output to screen

c) device to process data

d) None of these

View Answer

Answer: (a) device used to store information in computer



42. Which of these are not memory devices of a computer?

a) Screen

b) Cache

c) Floppy

d) All of These

View Answer

Answer: (a) Screen



43. Which of these are considered as primary memory?

a) ROM

b) RAM

c) Both a and b

d) Hard Disc

View Answer

Answer: (c) Both a and b



44. What does RAM stand for?

a) Read and write memory

b) Random Access Memory

c) Random Access Module

d) Read According Message

View Answer

Answer: (b) Random Access Memory



45. What does ROM stand for?

a) Read only Memory

b) Random Orientation Memory

c) Recover Only Memory

d) None of these

View Answer

Answer: (a) Read only Memory



46. What does PROM stand for?

a) Posted Read only memory

b) Programmable Read Only Memory

c) Predictive Read Only Memory

d) Primary Read Only Memory

View Answer

Answer: (b) Programmable Read Only Memory



47. Which of these memories acts as a buffer between CPU and main memory?

a) ROM

b) RAM

c) Cache

d) Hard Disc

View Answer

Answer: (c) Cache



48. What does SSD stand for?

a) Small Storage Device

b) Solid State Drive

c) Simple Storage Drive

d) None of these

View Answer

Answer: (b) Solid State Drive



49. What does HDD stand for?

a) High Speed Disc Drive

b) High Performance Drive disc

c) Hard disc drive

d) None of these

View Answer

Answer: (c) Hard disc drive



50. What does DVD stand for?

a) Duplicate visual Disc

b) Digital Versatile Device

c) Digital Versatile Disc

d) Duplicate Visual Device

View Answer

Answer: (c) Digital Versatile Disc



51. Which protocol provides an email facility among the hosts?

a) POP

b) SMTP

c) IMAP

d) MIME

View Answer

Answer: (b) SMTP



52. The foundation of fifth-generation computers is:

a) Artificial Intelligence

b) Vacuum tubes

c) VVLSI

d) Transistors

View Answer

Answer: (a) Artificial Intelligence



53. Any information or instruction put into a computer’s memory is regarded as:

a) Information

b) Input

c) Output

d) All of the above

View Answer

Answer: (b) Input



54. What is the output device in below option?

a) Mouse

b) Keyboard

c) Monitor

d) All of the above

View Answer

Answer: (c) Monitor



55. The term ‘Computer’ is derived from..........

a) Latin

b) German

c) French

d) Arabic

View Answer

Answer: (a) Latin



56. Who is the inventor of “Difference Engine”?

a) Allen Turing

b) Charles Babbage

c) Simur Cray

d) Augusta Adaming

View Answer

Answer: (b) Charles Babbage



57. The first computers were programmed using

a) assembly language

b) machine language

c) source code

d) object code

View Answer

Answer: (b) machine language



58. ..........is a combination of hardware and software that facilitates the sharing of information between computing devices.

a) network

b) peripheral

c) expansion board

d) digital device

View Answer

Answer: (a) network



59. Which of the following statements is true ?

a) Minicomputer works faster than Microcomputer

b) Microcomputer works faster than Minicomputer

c) Speed of both the computers is the same

d) The speeds of both these computers cannot be compared with the speed of advanced

View Answer

Answer: (a) Minicomputer works faster than Microcomputer



60. You organize files by storing them in

a) archives

b) folders

c) indexes

d) lists

View Answer

Answer: (b) folders



61. Which device is required for the Internet connection?

a) Joystick

b) Modem

c) CD Drive

d) NIC card

View Answer

Answer: (b) Modem



62. What is a light pen?

a) A Mechanical Input device

b) Optical input device

c) Electronic input device

d) Optical output device

View Answer

Answer: (b) Optical input device



63. UNIVAC is

a) Universal Automatic Computer

b) Universal Array Computer

c) Unique Automatic Computer

d) Unvalued Automatic Computer

View Answer

Answer: (a) Universal Automatic Computer



64. WAN stands for

a) Wap Area Network

b) Wide Area Network

c) Wide Array Net

d) Wireless Area Network

View Answer

Answer: (b) Wide Area Network



65. When did John Napier develop logarithm?

a) 1416

b) 1614

c) 1641

d) 1804

View Answer

Answer: (b) 1614



66. A normal CD- ROM usually can store up to _________ _data?

a) 680 KB

b) 680 Bytes

c) 680 MB

d) 680 GB

View Answer

Answer: (c) 680 MB



67. ASCII stands for

a) American Stable Code for International Interchange

b) American Standard Case for Institutional Interchange

c) American Standard Code for Information Interchange

d) American Standard Code for Interchange Information

View Answer

Answer: (c) American Standard Code for Information Interchange



68. DOS stands for

a) Disk Operating System

b) Disk operating session

c) Digital Operating System

d) Digital Open system

View Answer

Answer: (a) Disk Operating System



69. Who is developer of Microsoft

a) Babbage

b) Bill Gates

c) Bill Clinton

d) none of these

View Answer

Answer: (b) Bill Gates



70. 1 Byte =?

a) 8 bits

b) 4 bits

c) 2 bits

d) 9 bits

View Answer

Answer: (a) 8 bits



71. Which function key is used for open the help system for the active window?

a) F1

b) F2

c) F10

d) F12

View Answer

Answer: (a) F1



72. _____Allows you to rename a selected file or folder?

a) F1

b) F2

c) F3

d) F4

View Answer

Answer: (b) F2



73. _____Is commonly used to active a search function in applications?

a) F1

b) F2

c) F3

d) F4

View Answer

Answer: (c) F3



74. _____can be used to repeat the last action you performed in many applications.

a) F1

b) F2

c) F3

d) F4

View Answer

Answer: (d) F4



75. _____can be used to refresh my computer.

a) F1

b) F5

c) F3

d) F4

View Answer

Answer: (b) F5


76. _____used to move the cursor to the address bar in Internet explorer, Mozilla Firefox and other Internet browsers.

a) F5

b) F6

c) F1

d) F2

View Answer

Answer: (b) F6



77. _____used to spell check and grammar check a document in Microsoft apps..

a) F5

b) F6

c) F1

d) F7

View Answer

Answer: (d) F7



78. _____allows access to the advanced boot options menu in windows.

a) F5

b) F6

c) F8

d) F7

View Answer

Answer: (c) F8



79. _____Sends the e-mail in the active window.

a) F6

b) F7

c) F8

d) F9

View Answer

Answer: (d) F9



80. _____used to activates the menu bar of an open application.

a) F6

b) F7

c) F8

d) F10

View Answer

Answer: (d) F10



81. _____Key enters and exists the full-screen mode in internet browsers.

a) F11

b) F7

c) F8

d) F10

View Answer

Answer: (a) F11



82. _____is used to show save as dialogue box?

a) F11

b) F7

c) F12

d) F10

View Answer

Answer: (c) F12



83. Which shortcut key is used to select all text?

a) CTRL+A

b) CTRL+B

c) CTRL+C

d) CTRL+D

View Answer

Answer: (a) CTRL+A



84. Which shortcut key is used to bold selected text?

a) CTRL+A

b) CTRL+B

c) CTRL+C

d) CTRL+D

View Answer

Answer: (b) CTRL+B



85. Which shortcut key is used to copy selected text?

a) CTRL+A

b) CTRL+B

c) CTRL+C

d) CTRL+D

View Answer

Answer: (b) CTRL+C



86. Which shortcut key is used to open font formatting window?

a) CTRL+A

b) CTRL+B

c) CTRL+C

d) CTRL+D

View Answer

Answer: (b) CTRL+D



87. Which shortcut key is used to print document?

a) CTRL+P

b) CTRL+B

c) CTRL+C

d) NONE OF THESE

View Answer

Answer: (a) CTRL+P



88. Which shortcut key is used to center align selected text?

a) CTRL+E

b) CTRL+B

c) CTRL+C

d) NONE OF THESE

View Answer

Answer: (a) CTRL+E



89. Which shortcut key is used to open font dialogue box?

a) CTRL+E

b) CTRL+B

c) CTRL+F

d) NONE OF THESE

View Answer

Answer: (c) CTRL+F



90. Which shortcut key is used to replace existing text or word in ms word?

a) CTRL+H

b) CTRL+A

c) CTRL+F

d) CTRL+G

View Answer

Answer: (a) CTRL+H



91. Which of the following is not a type of computer on the basis of operation?

a) Remote

b) Hybrid

c) Analog

d) Digital

View Answer

Answer: (a) Remote



92. A computer that operates on digital data.

a) Remote

b) Hybrid

c) Analog

d) Digital

View Answer

Answer: (d) Digital



93. This type of computer is mostly used for automatic operations.

a) Remote

b) Hybrid

c) Analog

d) Digital

View Answer

Answer: (b) Hybrid



94.______________ are used for solving complex application such as Global Weather Forecasting.

a) Super Computers

b) Public computers

c) Mobile computers

d) Hybrid computers

View Answer

Answer: (a) Super Computers



95. The invention of _______________ gave birth to the much cheaper micro computers.

a) Mainframes

b) Microcomputers

c) Microprocessors

d) PDAs

View Answer

Answer: (c) Microprocessors



96. They can operate on batteries and hence are very popular with travelers.

a) Mainframes

b) Laptops

c) Microprocessors

d) Hybrid

View Answer

Answer: (b) Laptops



97. A term in computer terminology is a change in technology a computer is/was being used..

a) development

b) generation

c) advancement

d) growth

View Answer

Answer: (b) generation



98. The generation based on VLSI microprocessor.

a) 1st

b) 2nd

c) 3rd

d) 4th

View Answer

Answer: (d) 4th



99. ______ generation of computer started with using vacuum tubes as the basic components.

a) 1st

b) 2nd

c) 3rd

d) 4th

View Answer

Answer: (a) 1st



100. A hybrid computer is the one which exhibits the features of __?

a) analog computer

b) digital computer

c) both analog and digital

d) mainframe computer

View Answer

Answer: (a) mainframe computer



101. The physical components of a computer are called?

a) Software

b) Hardware

c) ALU

d) CPU

View Answer

Answer: (b) Hardware



102. Which among the following allows the user to interact computer?

a) Command line Interface

b) Graphical User Interface

c) Both option a and b

d) None of these

View Answer

Answer: (c) Both option a and b



103. Which of the following is hardware and not software?

a) Excel

b) Printer Driver

c) Power point

d) CPU

View Answer

Answer: (d) CPU



104. The main system board of a computer is called the ?

a) Integrated Circuit

b) Motherboard

c) Processor

d) Microchip

View Answer

Answer: (b) Motherboard



105. Peripheral devices such as printers and monitors are considered to be ?

a) Hardware

b) Software

c) Data

d) Information

View Answer

Answer: (a) Hardware



106. Which of the following is NOT a hardware of a computer ?

a) Monitor

b) Keyboard

c) Windows

d) Central Processing Unit

View Answer

Answer: (c) Windows



107. Any physical components of a computer system that we can see and touch is?

a) Software

b) Hardware

c) CPU

d) Peripheral device

View Answer

Answer: (b) Hardware



108. Which of the following is not hardware?

a) Processor Chip

b) Printer

c) Mouse

d) Java

View Answer

Answer: (d) Java



109. Data moves in and out of the CPU through embedded wires called

a) Bus

b) Electronic wires

c) Lines

d) Cables

View Answer

Answer: (a) Bus



110. A device that allows entering data and instruction into a computer system is called

a) Interaction

b) Terminal

c) Communication

d) input

View Answer

Answer: (d) input



111. Which shortcut keys changes the selected text to all capital letters?

a) CTRL+SHIFT+A

b) CTRL+SHIFT+D

c) CTRL+SHIFT+M

d) None of these

View Answer

Answer: (a) CTRL+SHIFT+A



112. Which shortcut keys Toggles the bookmarks bar on and off?

a) CTRL+SHIFT+A

b) CTRL+SHIFT+B

c) CTRL+SHIFT+C

d) None of these

View Answer

Answer: (b) CTRL+SHIFT+B



113. Which shortcut keys double underline selected text?

a) CTRL+SHIFT+A

b) CTRL+SHIFT+B

c) CTRL+SHIFT+C

d) CTRL+SHIFT+D

View Answer

Answer: (d) CTRL+SHIFT+D



114. Which shortcut keys used to change the font?

a) CTRL+SHIFT+A

b) CTRL+SHIFT+B

c) CTRL+SHIFT+F

d) CTRL+SHIFT+D

View Answer

Answer: (c) CTRL+SHIFT+F



115. Which shortcut keys used to apply hidden text formatting?

a) CTRL+SHIFT+A

b) CTRL+SHIFT+B

c) CTRL+SHIFT+H

d) CTRL+SHIFT+D

View Answer

Answer: (c) CTRL+SHIFT+H



116. Which shortcut keys used to format letters as small capitals?

a) CTRL+SHIFT+A

b) CTRL+SHIFT+B

c) CTRL+SHIFT+H

d) CTRL+SHIFT+K

View Answer

Answer: (d) CTRL+SHIFT+K



117. Which shortcut keys used to Open responsive mode in the Firefox developer tools?

a) CTRL+SHIFT+A

b) CTRL+SHIFT+B

c) CTRL+SHIFT+M

d) CTRL+SHIFT+K

View Answer

Answer: (c) CTRL+SHIFT+M



118. Which shortcut keys used to Apply the Normal Style?

a) CTRL+SHIFT+A

b) CTRL+SHIFT+B

c) CTRL+SHIFT+N

d) CTRL+SHIFT+K

View Answer

Answer: (c) CTRL+SHIFT+N



119. Which shortcut keys used to change the selection to the Symbol font?

a) CTRL+SHIFT+A

b) CTRL+SHIFT+B

c) CTRL+SHIFT+N

d) CTRL+SHIFT+Q

View Answer

Answer: (d) CTRL+SHIFT+Q



120. Which shortcut keys used to perform a hard reload of a web page in Google chrome?

a) CTRL+SHIFT+A

b) CTRL+SHIFT+R

c) CTRL+SHIFT+N

d) CTRL+SHIFT+Q

View Answer

Answer: (b) CTRL+SHIFT+R



121. Which shortcut keys used to reduce hanging indent?

a) CTRL+SHIFT+A

b) CTRL+SHIFT+T

c) CTRL+SHIFT+N

d) CTRL+SHIFT+Q

View Answer

Answer: (b) CTRL+SHIFT+T



122. Which shortcut keys used to underline words but not spaces?

a) CTRL+SHIFT+W

b) CTRL+SHIFT+T

c) CTRL+SHIFT+N

d) CTRL+SHIFT+Q

View Answer

Answer: (a) CTRL+SHIFT+W



123. Which shortcut keys used to open run menu?

a) CTRL+SHIFT+W

b) Windows + R

c) CTRL+SHIFT+N

d) CTRL+SHIFT+Q

View Answer

Answer: (b) Windows + R



124. Which shortcut keys used to open file explorer?

a) CTRL+SHIFT+W

b) Windows + R

c) Windows + E

d) CTRL+SHIFT+Q

View Answer

Answer: (c) Windows + E



125. Which shortcut keys used to switch between open programs?

a) CTRL+SHIFT+W

b) Windows + R

c) Windows + E

d) Alt +Tab

View Answer

Answer: (d) Alt + Tab



126. Which shortcut keys used to maximized current window?

a) Windows + Up Arrow

b) Windows + R

c) Windows + E

d) Alt +Tab

View Answer

Answer: (a) Windows + Up Arrow



127. Which shortcut keys used to hide/display desktop?

a) Windows + D

b) Windows + R

c) Windows + E

d) Alt +Tab

View Answer

Answer: (a) Windows + D



128. Which shortcut keys used to minimize all windows?

a) Windows + M

b) Windows + R

c) Windows + E

d) Alt +Tab

View Answer

Answer: (a) Windows + M



129. Which shortcut keys used to open help and support?

a) Windows + F1

b) Windows + R

c) Windows + E

d) Alt +Tab

View Answer

Answer: (a) Windows + F1



130. Which shortcut keys used to open task view?

a) Windows + F1

b) Windows + R

c) Windows + E

d) Windows + Tab

View Answer

Answer: (d) Windows + Tab



131. The three main parts of the processor are _______ ?

a) ALU, Control Unit and Registers

b) ALU, Control Unit and RAM

c) Cache, Control Unit and Registers

d) Control Unit, Registers and RAM

View Answer

Answer: (a) ALU, Control Unit and Registers



132. Which of the following is needed for sound recording ?

a) Speaker

b) Microphone

c) Talker

d) Mouse

View Answer

Answer: (b) Microphone



133. Back up of the data files will help to prevent ?

a) loss of confidentiality

b) duplication of data

c) virus infection

d) loss of data

View Answer

Answer: (d) loss of data



134. The mouse __________ usually appears in the shape of an arrow ?

a) Indicator

b) Marker

c) Meter

d) Pointer

View Answer

Answer: (d) Pointer



135. Which of the following groups consist of only input devices ?

a) Mouse, Keyboard, Monitor

b) Mouse, Keyboard, Printer

c) Mouse, Keyboard, Plotter

d) Mouse, Keyboard, Scanner

View Answer

Answer: (d) Mouse, Keyboard, Scanner



136. A -------- can make it easier to play games ?

a) mouse

b) joystick

c) keyboard

d) pen

View Answer

Answer: (b) joystick



137. Most of the commonly available personal computers/laptops have a keyboard popularly known as __________ ?

a) QWERTY

b) QOLTY

c) ALTER

d) UCLIF

View Answer

Answer: (a) QWERTY



138. Video processors consist of ____ and _____ which store and process images?

a) CPU and VGA

b) CPU and Memory

c) VGA and Memory

d) VGI and DVI

View Answer

Answer: (c) VGA and Memory



139. Keyboards, scanners and microphones are example of ?

a) Software programs

b) Input devices

c) Output devices

d) Utilities

View Answer

Answer: (b) Input devices



140. A scanner scans?

a) Pictures

b) Text

c) Both Pictures and Text

d) Neither Pictures nor Text

View Answer

Answer: (c) Both pictures and text



141. The most common buses inside the microcomputer are

a) Address bus

b) Address bus and Data bus

c) Address bus and Control bus

d) Address bus, Data bus, and Control bus

View Answer

Answer: (d) Address bus, Data bus, and Control bus



142. The ‘heart’ of the processor which performs many different operations _____________

a) Arithmetic and logic unit

b) Motherboard

c) Control Unit

d) Memory

View Answer

Answer: (a) Arithmetic and logic unit



143. The ALU gives the output of the operations and the output is stored in the ________

a) Memory Devices

b) Registers

c) Flags

d) Output Unit

View Answer

Answer: (b) Registers



144. Components that provide internal storage to the CPU are ______

a) Program Counters

b) Registers

c) Controllers

d) Internal Chips

View Answer

Answer: (b) Registers



145. Saving data and instructions to make them readily available is the job of __________

a) Storage Unit

b) Cache Unit

c) Input Unit

d) Output Unit

View Answer

Answer: (a) Storage Unit



146. The two basic types of memory in a computer are ________

a) Primary and major

b) Primary and Secondary

c) Minor and Major

d) Main and Virtual

View Answer

Answer: (b) Primary and Secondary



147. Which of the following is used to hold running program instructions?

a) Primary Storage

b) Virtual Storage

c) Internal Storage

d) Minor Devices

View Answer

Answer: (a) Primary Storage



148. Which of the following is used in main memory?

a) SRAM

b) DRAM

c) PRAM

d) DDR

View Answer

Answer: (b) DRAM



149. Which of the following are types of ROMs?

a) SROM & DROM

b) PROM & EPROM

c) Only one type there is no further classification

d) PROM & EROM

View Answer

Answer: (b) PROM & EPROM



150. The first practical form of Random Access Memory was the __________

a) SSEM

b) Cathode Ray Tube

c) William’s Tube

d) Thomas’s Tube

View Answer

Answer: (c) William's Tube



151. Which of the following is non-volatile storage?

a) Backup

b) Secondary

c) Primary

d) Cache

View Answer

Answer: (b) Secondary



152. What is an operating system?

a) interface between the hardware and application programs

b) collection of programs that manages hardware resources

c) system service provider to the application programs

d) all of the mentioned

View Answer

Answer: (d) all of the mentioned



153. To access the services of the operating system, the interface is provided by the ___________

a) Library

b) System calls

c) Assembly instructions

d) API

View Answer

Answer: (b) System calls



154. CPU scheduling is the basis of ____

a) multiprogramming operating systems

b) larger memory sized systems

c) multiprocessor systems

d) none of the mentioned

View Answer

Answer: (a) multiprogramming operating systems



155. Which one of the following errors will be handle by the operating system?

a) lack of paper in printer

b) connection failure in the network

c) power failure

d) all of the mentioned

View Answer

Answer: (d) all of the mentioned



156. Where is the operating system placed in the memory?

a) either low or high memory (depending on the location of interrupt vector)

b) in the low memory

c) in the high memory

d) none of the mentioned

View Answer

Answer: (a) either low or high memory (depending on the location of interrupt vector)



157. If a process fails, most operating system write the error information to a ______

a) new file

b) another running process

c) log file

d) none of the mentioned

View Answer

Answer: (c) log file



158. Which one of the following is not a real time operating system?

a) RTLinux

b) Palm OS

c) QNX

d) VxWorks

View Answer

Answer: (b) Palm OS



159. In operating system, each process has its own __________

a) open files

b) pending alarms, signals and signal handlers

c) address space and global variables

d) all of the mentioned

View Answer

Answer: (d) all of the mentioned



160. When a process is in a “Blocked” state waiting for some I/O service. When the service is completed, it goes to the __________

a) Terminated state

b) Suspended state

c) Running state

d) Ready state

View Answer

Answer: (d) Ready state



161. A _____ is a type of operating system that does not interact with computer directly.

a) Batch Operating System

b) Time Sharing Operating System

c) Distributed Operating System

d) None of these

View Answer

Answer: (a) Batch Operating System



162. ______ is a type of operating system that allows many users to share computer resources( maximum utilization of the resources)

a) Time Sharing Operating System

b) Distributed Operating System

c) Batch Operating System

d) none of these

View Answer

Answer: (a) Time Sharing Operating System



163. _____ manages a group of different computers and makes appear to be a single computer. These os are designed to operate on a network of computers.

a) Time Sharing Operating System

b) Distributed Operating System

c) Batch Operating System

d) none of these

View Answer

Answer: (b) Distributed Operating System



164. ___ is a type of operating system that runs on a server and provides the capability to manage data, users, groups, security, applications and other networking functions.

a) Time Sharing Operating System

b) Distributed Operating System

c) Batch Operating System

d) Network Operating System

View Answer

Answer: (d) Network Operating System



165. ______ is a type of operating system that serves a real-time system and the time interval required to process and respond to inputs is very small.

a) Real Time Operating System

b) Distributed Operating System

c) Batch Operating System

d) Network Operating System

View Answer

Answer: (a) Real Time Operating System



166. ___are used in operating systems to boost the performance of multiple CPUs within a single computer system.

a) Multiprocessing Operating System

b) Distributed Operating System

c) Batch Operating System

d) Network Operating System

View Answer

Answer: (a) Multiprocessing Operating System



167. ___ are designed to support a single user at a time.

a) Time Sharing Operating System

b) Single User Operating System

c) Batch Operating System

d) Network Operating System

View Answer

Answer: (b) Single User Operating System



168. _____ are designed to support multiple users simultaneously.

a) Time Sharing Operating System

b) Multi User Operating System

c) Batch Operating System

d) None of these

View Answer

Answer: (b) Multi User Operating System



169. ____ are designed to run on devices with limited resources, such as smartphones, wearable devices and household appliances.

a) Time Sharing Operating System

b) Multi User Operating System

c) Batch Operating System

d) Embedded Operating System

View Answer

Answer: (d) Embedded Operating System



170. ____ are designed to run on a group of computers, or a cluster, to work together as a single system.

a) Time Sharing Operating System

b) Multi User Operating System

c) Batch Operating System

d) Cluster Operating System

View Answer

Answer: (d) Cluster Operating System



171. The ___ is a computer network that operates in a small area like within an office, company, school or any organization.

a) Local Area Network

b) Wide Area Network

c) Metropolitan Area Network

d) none of these

View Answer

Answer: (a) Local Area Network



172. Which computer network allows you to share or transfer files from one computer to another computer within the LAN.

a) WAN

b) LAN

c) MAN

d) none of these

View Answer

Answer: (b) LAN



173. ___ is a high-speed network that spreads over a large geographical area such as Metro city or town.

a) LAN

b) WAN

c) MAN

d) none of these

View Answer

Answer: (c) MAN



174. Which computer network in the range of 5km to 50 km?

a) WAN

b) MAN

c) LAN

d) none of these

View Answer

Answer: (b) MAN



175. _____ extends over a large geographical area.

a) WAN

b) MAN

c) LAN

d) none of these

View Answer

Answer: (a) WAN



176. What is the full form of ARP?

a) address resolution protocol

b) address restart port

c) address ribbon protocol

d) none of these

View Answer

Answer: (a) address resolution protocol



177. What is the full form of BCC?

a) Blind carbon copy

b) Basic carbon copy

c) Blind copy copy

d) none of these

View Answer

Answer: (a) Blind carbon copy



178. What is the full form of BIOS?

a) Basic Input Output System

b) Basic Input Output Services

c) Blind Input Output Service

d) none of these

View Answer

Answer: (a) Basic Input Output System



179. What is the full form of CAD?

a) Computer Aided Design

b) Computer Area Design

c) Computer Aided Description

d) none of these

View Answer

Answer: (a) Computer Aided Design



180. What is the full form of CRT?

a) Cathode Ray Tube

b) Carbon Ray Tube

c) Cathode Ray Transistor

d) none of these

View Answer

Answer: (a) Cathode Ray Tube



181. What is the full form of CDRW?

a) Compact Disc Read Only Memory

b) Computer Disc Read Only Memory

c) Computer Data Ready Only Memory

d) none of these

View Answer

Answer: (d) none of these



182. What is the full form of DBA?

a) Data Administrator

b) Database Administrator

c) Database Adapter

d) none of these

View Answer

Answer: (b) Database Administrator



183. What is the full form of DBMS?

a) Database Management System

b) Data management system

c) Database master system

d) none of these

View Answer

Answer: (a) Database Management System



184. What is the full form of ENIAC?

a) Electronic Numerical Integrator and computer

b) Electronic Numeric Integrator and communicator

c) Electronic Numerical Interchange and Calculator

d) none of these

View Answer

Answer: (a) Electronic Numerical Integrator and Computer



185. What is the full form of FTP?

a) File Transfer Protocol

b) Fire Transfer Port

c) File Transfer Port

d) none of these

View Answer

Answer: (a) File Transfer Protocol



186. What is the full form of UPS?

a) Uninterrupted Power Supply

b) Uninterrupted Power

c) Uniform Power Source

d) none of these

View Answer

Answer: (a) Uninterrupted Power Supply



187. ASCII stands for:

a) American Standard Computer for Indian Institutes

b) Australian Standard Computers for Indian Institutes

c) American Standard Code for Information Interchange

d) none of these

View Answer

Answer: (c) American Standard Code for Information Interchange



188. The process of transforming files from internet to user computer is called:

a) Downloading

b) Uploading

c) FTP

d) JPEG

View Answer

Answer: (a) Downloading



189. What is the full form of NIC?

a) Network Internet Card

b) Network Interface Card

c) Network Interchange Code

d) None of the above

View Answer

Answer: (b) Network Interface Card



190. What is the full form of NOS?

a) Network Operating System

b) Network Open System

c) Network Operating Service

d) None of the above

View Answer

Answer: (a) Network Operating System



191. What is the full form of PAN?

a) Personal Area Network

b) Personal Access Network

c) Personal Area Node

d) None of the above

View Answer

Answer: (a) Personal Area Network



192. What is the full form of PNG?

a) Portable Network Graphics

b) Portable Networking Graphics

c) Portable Network Gropher

d) None of the above

View Answer

Answer: (a) Portable Network Graphics



193. What is the full form of PROM?

a) Programmable Read Only Memory

b) Program Read Only Memory

c) Program Read Only Management

d) None of the above

View Answer

Answer: (a) Programmable Read Only Memory



194. What is the full form of RTF?

a) Rich Text Format

b) Rich Type Format

c) Rich Ton Format

d) None of the above

View Answer

Answer: (a) Rich Text Format



195. What is the full form of SMTP?

a) Simple Mail Transfer Protocol

b) Simple Mail Type Protocol

c) Simple Mail Transmission Protocol

d) None of the above

View Answer

Answer: (a) Simple Mail Transfer Protocol



196. .......is the simplest computer virus that overwrites the code of the host computer system'file with its own malicious code?

a) Overwrite virus

b) Append virus

c) Macro virus

d) None of the above

View Answer

Answer: (a) Overwrite virus



197........ appends its malicious code to the end of the host program's file.

a) Overwite virus

b) Append virus

c) Macro virus

d) None of the above

View Answer

Answer: (b) Append virus



198......alters or infects the macros of a document or data file.

a) Overwite virus

b) Append virus

c) Macro virus

d) None of the above

View Answer

Answer: (c) Macro virus



199......alters the boot sector program stored in the hard disk or any other storage device such as floppy disks.

a) Boot virus

b) Append virus

c) Macro virus

d) None of the above

View Answer

Answer: (a) Boot virus



200. The ..... stays permanently in the primary memory (RAM) of the computer. When you start the computer, it becomes active or corrupts the files and programs running on the computer.

a) Boot virus

b) Resident virus

c) Macro virus

d) None of the above

View Answer

Answer: (b) Resident virus



201. The .....does not reside in the memory of a computer. So it is not executed from the computer's memory.

a) Boot virus

b) Resident virus

c) Non Resident virus

d) None of the above

View Answer

Answer: (c) Non Resident virus



202. Which computer virus mainly infects the executable files, the files with .com or .exe extensions.

a) Boot virus

b) Resident virus

c) Non Resident virus

d) File infector virus

View Answer

Answer: (d) File infector virus



203. ...... is similar to virus but is technically different from the virus.

a) Computer worm

b) Resident virus

c) Non Resident virus

d) File infector virus

View Answer

Answer: (a) Computer worm



204. ...... is a malware like a virus or a worm, but it is technically different from both.

a) Trozon Horse

b) Resident virus

c) Non Resident virus

d) File infector virus

View Answer

Answer: (a) Trozon Horse



205. Which computer virus is a space filter virus?

a) Trozon Horse

b) Resident virus

c) Non Resident virus

d) Cavity virus

View Answer

Answer: (d) Cavity virus



206. Which computer virus can erase or reset the system configuration?

a) Trozon Horse

b) Resident virus

c) Non Resident virus

d) CMOS virus

View Answer

Answer: (d) CMOS virus



207. Which computer virus encrypts its play load to make its detection more difficult?

a) Trozon Horse

b) Resident virus

c) Encrypted virus

d) CMOS virus

View Answer

Answer: (c) Encrypted virus



208. Which computer virus is non resident virus which resides in an executable file?

a) Executable virus

b) Resident virus

c) Encrypted virus

d) CMOS virus

View Answer

Answer: (a) Executable virus



209. Which computer virus creates its thousands of copies itself?

a) Executable virus

b) Resident virus

c) Polymorphic virus

d) CMOS virus

View Answer

Answer: (c) Polymorphic virus



210. Which computer virus is hidden computer virus, which specifically attacks operating system processes?

a) Executable virus

b) Resident virus

c) Polymorphic virus

d) Stealth virus

View Answer

Answer: (d) Stealth virus



211. What are the uses of Internet?

a) Online dating

b) Online gaming

c) Online shopping

d) All of the above

View Answer

Answer: (d) All of the above



212. What are the different ways to connect to the internet?

a) Dial_up

b) Broadband

c) Wireless connection

d) All of the above

View Answer

Answer: (d) All of the above



213. What are the advantages of the internet?

a) Instant Messaging

b) Online Shopping

c) Online Banking

d) All of the above

View Answer

Answer: (d) All of the above



214. What are the disadvantages of the internet?

a) Time wastage

b) Cyber crimes

c) Effects on children

d) All of the above

View Answer

Answer: (d) All of the above



215. What are the Main categories of internet connection protocol are?

a) TCP/IP Network model

b) File transfer protocol

c) Hypertext transfer protocol

d) All of the above

View Answer

Answer: (d) All of the above



216. Which protocol is used to transfer documents, text files, multimedia files, program files etc, from one device to another?

a) TCP/IP

b) File transfer protocol

c) Hypertext transfer protocol

d) None of the above

View Answer

Answer: (b) File transfer protocol



217. What is the full form of Internet?

a) Interconnected Network

b) International Network

c) International Networking

d) None of the above

View Answer

Answer: (a) Interconnected Network



218. Which one is not come under advantages of computer?

a) Instant messaging

b) Online banking

c) Pay bills

d) Cyber crimes

View Answer

Answer: (d) Cyber crimes



219. Who is the father of internet?

a) Vint cerf

b) James gosling

c) Denis Ritchie

d) None of the above

View Answer

Answer: (a) Vint cerf



220. What is the email attachment size limit in Gmail?

a) 10 MB

b) 50 MB

c) 25 MB

d) None of the above

View Answer

Answer: (c) 25 MB



221. E-mail stands for:

a) Electronic man

b) Electronic mail

c) Engine mail

d) None of the above

View Answer

Answer: (b) Electronic mail



222. Speed of internet measure in

a) Ghz

b) Mbps

c) GB

d) None of the above

View Answer

Answer: (b) Mbps



223. Which is not a search Engine?

a) Opera

b) Being

c) Google

d) Yahoo

View Answer

Answer: (a) Opera



224. Which is not a web browser?

a) Opera

b) Chrome

c) Google

d) Edge

View Answer

Answer: (c) Google



225. What is the shortcut key to open a new tab in google chrome?

a) Ctrl + T

b) Ctrl + K

c) Ctrl + N

d) Ctrl + S

View Answer

Answer: (a) Ctrl + T



226. Which Application is used for taking information from Internet?

a) Operating

b) Web Browser

c) MS Word

d) System Software

View Answer

Answer: (b) Web Browser



227. Which of the following is a browser?

a) Linux

b) Google

c) Safari

d) None of the above

View Answer

Answer: (c) Safari



228. Which of following web browser is developed by MicroSoft?

a) Edge

b) Chrome

c) Safari

d) None of the above

View Answer

Answer: (a) Edge



229. Which shortcut key used to full screen in Google chrome?

a) F11

b) F12

c) F9

d) None of the above

View Answer

Answer: (a) F11



230. Firefox Web browser is developed by?

a) Apple

b) IBM

c) Mozilla Corporation

d) Google

View Answer

Answer: (c) Mozilla Corporation