Every one realizes that Computer becomes an essential part of competitive exams and turns into a fundamental piece of serious tests step by step. Computer Questions are being asked in all the competititve exams as well as Interviews and assessments in the country. In Computer subjects, questions are asked about the operating system, network security, and computer in daily life like MS Office, Excel, PowerPoint, and so on.Here I am showing 100 essential questions related to Computer for Competitive Exams.
Basic Computer Questions and Answers for Competitive Exams
Q : Which of the following system components is the brain of a computer?
(A) Circuit board
(B) CPU
(C) Memory
(D) Network card
Correct Answer : B
Q : What is the built-in permanent memory in a computer called?
(A) RAM
(B) ROM
(C) CPU
(D) CD-ROM
Correct Answer : B
Q : Which of the following is the full form of NTFS?
(A) New Tree File system
(B) New Technology file system
(C) New Table file system
(D) Both B and C
Correct Answer : B
Q : Which of the following is not a hardware processing chip ?
(A) Processing chip
(B) printer
(C) mouse
(D) Java
Correct Answer : D
Q : The main system board of the computer is called ____.
(A) Motherboard
(B) Processor
(C) Microchip
(D) None of these
Correct Answer : A
Q : The monitor of a computer is-
(A) storage device
(B) processing device
(C) input device
(D) output device
Correct Answer : D
Q : Which protocol does Ping use?
(A) TCP
(B) ARP
(C) ICMP
(D) BootP
(E) None of these
Correct Answer : C
Q : If you wish to extend the length of the network without having the signal degrade, you would use a ___.
(A) Gateway
(B) Router
(C) Modem
(D) Repeater
(E) Resonator
Correct Answer : D
Q : A series of instructions that tells a computer what to do and how to do it is called a ______.
(A) program
(B) command
(C) user response
(D) processor
(E) None of these
Correct Answer : A
Q : Verification of a login name and password is known as_____.
(A) Configuration
(B) Accessibility
(C) Authentication
(D) logging in
(E) None of these
Correct Answer : C
Q : If you add a recipient email address to the box of an email message, a copy of the message is sent to that recipient, and the recipient’s name is not visible to other recipients of the message.
(A) To
(B) Cc
(C) Bcc
(D) Subject
Correct Answer : C
Q : Database If users want to share MS-Access 2010 or are using MS Access 2003 or earlier and are using other users together then the user should use the following file format?
(A) .Accdb
(B) .adb
(C) .mdb
(D) .Vdb
Correct Answer : C
Q : What happens if you edit an image inserted on a power point?
(A) The source file inserted does not change.
(B) The source file that was inserted is changed.
(C) When you save the presentation, the source file gets changed.
(D) None of the above.
Correct Answer : A
Q : What is the use of Paste With Live Preview in MS Excel 2010?
(A) It avoids repeated hits and trails and you can easily re-use the content preview.
(B) It can repair all files and folders.
(C) It is useful for computing unknown values.
(D) No such preview is available in MS Excel 2010.
Correct Answer : A
Q : Which of the following is an example of a web browser?
(A) Google
(B) Apple
(C) Mozilla Firefox
(D) Microsoft
Correct Answer : C
Q : Ribbon in MS Word 2010 is a series of ……….?
(A) Gates
(B) Windows
(C) Tabs
(D) Doors
Correct Answer : C
Q : MS word 2010 has horizontal bar at the bottom, which has many options like page number, word count etc?
(A) Title bar
(B) Status bar
(C) Board Bar
(D) Heading Bar
Correct Answer : B
Q : ……….. using keyboard keys to permanently delete a file/folder, it will also not be available in the Recycle Bin?
(A) Ctrl + Shift
(B) Shift + Esc
(C) Ctrl + Alt
(D) none of the above
Correct Answer : D
Q : Which folder provides temporary storage for the files and folders you want to delete?
(A) calculator
(B) Dustbin
(C) Recycle Bin
(D) New Folder
Correct Answer : C
Q : The process of copying a file to a CD/DVD is often called?
(A) Storing
(B) Burning
(C) Pasting
(D) Assembling
Correct Answer : B
Q : Which key enables you to delete characters to the right of the cursor?
(A) End
(B) Backspace
(C) Delete
(D) Home
Correct Answer : C
Q : is used to create a web page?
(A) HTTP
(B) FTP
(C) HTML
(D) none of the above
Correct Answer : C
Q : In MS-Power Point, the shortcut key to start slide show from the current slide is used.
(A) Shift + F5
(B) Ctrl + F5
(C) Ctrl + Shift + F5
(D) none of the above
Correct Answer : A
Q : You can find thumbnails of all the slides in your presentation to easily rearrange them in……….?
(A) slide show view
(B) Review
(C) Animation View
(D) slide sorterview
Correct Answer : D
Q : Suppose a directory has sub directories and some files, what happens whenever you move that directory from one place to another?
(A) Only the files inside the directory are transferred
(B) Only the sub directories inside the directory are moved.
(C) Directories are moved but source files are not transferred.
(D) The files and sub directories inside the directory are moved.
Correct Answer : D
Q : . ……………… is a personal information manager, mainly used in email applications, and also includes calendar, task manager, note taking, magazine, web browsing?
(A) MS Excel
(B) MS Paint
(C) MS Access
(D) MS Outlook
Correct Answer : D
Q : Which of the following is part of CPU?
(A) ALU, CU
(B) ALU, Mouse
(C) ALU, IC
(D) CU, CU
Correct Answer : A
Q : ……….. is used to send digital data over a telephone line?
(A) Scanner
(B) LAN
(C) Modem
(D) pen drive
Correct Answer : C
Q : What is the use of Shift + F3 shortcut key in MS-Excel 2010?
(A) to insert an image
(B) to open a new seat
(C) To save the existing shit
(D) to insert function
Correct Answer : D
Q : A utility used to reduce the number of fragmented files and improve access speed?
(A) Disc light
(B) Data Defragmator
(C) non-refragmater
(D) WPAN
Correct Answer : B
Q : Which printer prints one letter in one stroke?
(A) plotter
(B) Laser Printer
(C) stop matrix printer
(D) Line Printer
Correct Answer : D
Q : What is the number of ‘Function Key’ in the keyboard?
(A) 16
(B) 12
(C) 19
(D) 14
Correct Answer : B
Q : What is the full form of OCR?
(A) Optical CPU Recognition
(B) Optical Character Recognition
(C) Optical Character Rendering
(D) none of these
Correct Answer : B
Q : What is the pattern of printed lines on most of the products called?
(A) Barcodes
(B) Scanners
(C) Prices
(D) Code
Correct Answer : A
Q : Which keys are called Ctrl, Shift, and Alt?
(A) Function
(B) Modifier
(C) alpha numeric
(D) none of these
Correct Answer : B
Q : What makes it easier to play a game?
(A) keyboard
(B) Mouse
(C) joystick
(D) All these
Correct Answer : C
Q : Represents the work put in the memory of the computer?
(A) Monitor
(B) Printer
(C) RAM
(D) ROM
Correct Answer : A
Q : How is the display size of a monitor measured?
(A) Horizontally
(B) Diagonally
(C) Zig-Zag
(D) vertically
Correct Answer : B
Q : Computer readable code consisting of bars or lines of different widths and lengths is called _______
(A) ASCII code
(B) Magnetic code
(C) OCR scanner
(D) Bar code
Correct Answer : D
Q : __________ is a unique name that you give to a file of information.
(A) Folder
(B) File name
(C) File name extension
(D) Device letter
Correct Answer : B
Q : You use ____________ see the output.
(A) Monitor
(B) Keyboard
(C) Mouse
(D) Scanner
Correct Answer : A
Q : Who made the first computer mouse?
(A) William English
(B) Douglas Engelbert
(C) Robert Jawaki
(D) none of these
Correct Answer : B
Q : The input device used to get printed diagram in the computer is?
(A) Mouse
(B) Printer
(C) keyboard
(D) Scanner
Correct Answer : D
Q : Hardware consists of devices that can translate data into a form that a computer can process.
(A) App
(B) Input
(C) System
(D) All of these
Correct Answer : B
Q : Which key, along with another ‘key’, is used to perform a Special particular task?
(A) Function
(B) Arrow
(C) Space bar
(D) Control
Correct Answer : D
Q : Which of the following is not classified as computer hardware?
(A) Mouse
(B) Monitor
(C) Hard disk
(D) DBMS
Correct Answer : D
Q : Which of the following is a volatile memory?
(A) RAM
(B) EPROM
(C) Hard Disk
(D) SSD
Correct Answer : A
Q : The resolution of a computer monitor is measured by____.
(A) Number of pixels
(B) Number of dots per inch
(C) Glow
(D) PPM
Correct Answer : A
Q : Which of the following is a desktop operating system?
(A) Mac OS
(B) MS Office
(C) DBMS
(D) Oracle
Correct Answer : A
Q : Which of these features is related to the mouse of the computer?
(A) Printing device
(B) Memory device
(C) Output device
(D) Pointing device
Correct Answer : D
Q : What is called data in computer?
(A) to the sign
(B) the number
(C) given information
(D) sign and numerical information
Correct Answer : D
Q : What is called information in computer?
(A) data
(B) numbers
(C) Collected data
(D) All these
Correct Answer : C
Q : Meaning of E.D.P?
(A) Electronic data power
(B) Electronic data personal
(C) Electronic data part
(D) Electronic data processing
Correct Answer : D
Q : Whose speed is more between human mind and computer?
(A) Computer
(B) human mind
(C) equal in both
(D) none of these
Correct Answer : B
Q : The memory power of man is comparable to that of computer?
(A) General
(B) high
(C) low
(D) Average
Correct Answer : A
Q : What type of intelligence is given to the computer?
(A) Human
(B) artificial
(C) pure
(D) Others
Correct Answer : B
Q : What is the capacity of computer?
(A) Low
(B) high
(C) limited
(D) Unlimited
Correct Answer : C
Q : What is the main component of CPU?
(A) Control Unit
(B) Memory
(C) Arithmetic Logic Unit
(D) All these
Correct Answer : D
Q : Input is converted into output?
(A) memory
(B) CPU
(C) input and output
(D) Peripherals
Correct Answer : B
Q : . ________ is an input device, which is used to save a person’s voice on a computer.
(A) Speaker
(B) Scanner
(C) Microphone
(D) Joystick
Correct Answer : C
Q : Which of the following is not a pointing input device ?
(A) Track ball
(B) Joystick
(C) Digitizing tablet
(D) Scanner
Correct Answer : D
Q : ________ is an output device producing continuous lines of different colors.
(A) Daisy Wheel Printer
(B) Plotter
(C) Drum Printer
(D) Chain Printer
Correct Answer : B
Q : Which of the following is a hard copy output device?
(A) Monitor
(B) Laser Printer
(C) Visual Display Terminal
(D) Projector
Correct Answer : B
Q : _________ is an impact printer.
(A) Thermal Printer
(B) Dot Matrix
(C) Inkjet Matrix
(D) Laser Printer
Correct Answer : B
Q : Which dialog box open using the F12 key in MS Word?
(A) Save as
(B) Mail Merge Wizard
(C) Insert table
(D) Insert Picture
Correct Answer : A
Q : Which can be used for quick access to commonly used commands and tools?
(A) status bar
(B) Tool bar
(C) Menu Bar
(D) Title Bar
Correct Answer : B
Q : Home key used for
(A) Moves the cursor beginning of the document
(B) Moves the cursor beginning of the paragraph
(C) Moves the cursor beginning of the screen
(D) Moves the cursor beginning of the line
Correct Answer : D
Q : Which of the following is an output device?
(A) OCR
(B) Projector
(C) Mouse
(D) Web camera
Correct Answer : B
Q : In a typical desktop computer, which of the following memory size would be largest?
(A) Cache
(B) Hard Disk
(C) RAM
(D) Registers
Correct Answer : B
Q : What is the part of the CPU that performs logical operations called?
(A) RAM
(B) ALU
(C) Motherboard
(D) Registers
Correct Answer : B
Q : When using a Chrome Internet Browser, a method of saving web page addresses for quick access is:
(A) Clear Cache
(B) Bookmark
(C) Proxy Setting
(D) Delete History
Correct Answer : B
Q : Which of the following is not a GUI-based operating system?
(A) Linux Mint
(B) Android
(C) MS-DOS
(D) MS-Window
Correct Answer : A
Q : The Key__________is used to make the internet browser window full Screen.
(A) F8
(B) F10
(C) F11
(D) F9
Correct Answer : C
Q : Which of the following is used to secretly browse in Google Chrome?
(A) New Tab
(B) New Window
(C) New Incognito Window
(D) Bookmark
Correct Answer : C
Q : Which one of the following is not an internet browser?
(A) Microsoft Edge
(B) Tinder
(C) Mozilia Firbox
(D) Internet Explore
Correct Answer : B
Q : Which of the following is the first screen to appear on the monitor after windows 10 is loaded?
(A) File Folder
(B) Desktop
(C) Recycling Bin
(D) Recently Added Screen
Correct Answer : B
Q : What is the input device used to scan a marked answer book of a multiple choice question paper?
(A) OCR
(B) OMR
(C) MICR
(D) Card Reader
Correct Answer : B
Q : Expand RDBMS.
(A) Relative Database Management System
(B) Rational Database Minimize System
(C) Relational Database Management System
(D) Relational Database Maximize System
(E) None of these
Correct Answer : C
Q : Which is not a feature of software technology?
(A) It is soft technical approach.
(B) It is also called instructional technology.
(C) It is called Educational Technology First.
(D) Its main basis is psychology.
Correct Answer : C
Q : Which of the following learning situation is not a form of virtual learning environment?
(A) E-learning
(B) Reflective / critical learning
(C) Online learning
(D) Blended learning
Correct Answer : B
Q : C.I.E.T. What is the full form of the following?
(A) Central Institute of Educational Technology
(B) Central Institute of Educational Broadcasting
(C) Samagra Institute of Educational Technology
(D) Institute of General Educational Technology
Correct Answer : A
Q : Sakshat brought by Ministry of Human Resource Development on ICT (Information and Communication Technology) –
(A) There is a book.
(B) Is a project.
(C) Is a campaign.
(D) Is a ‘one stop portal’.
Correct Answer : D
Q : Multimedia contains?
(A) Audio
(B) Video
(C) Both 1 and 2
(D) none of the above
Correct Answer : C
Q : Shortcut command for align the text in centre?
(A) Curl+E
(B) Ctrl+T
(C) Ctrl+R
(D) Ctrl+C
Correct Answer : A
Q : Which key of the keyboard is mainly used to cancel the program?
(A) Del Key
(B) Enter Key
(C) Ins Key
(D) Esc Key
Correct Answer : D
Q : Which is the fastest memory?
(A) CD ROM
(B) Hard Disk
(C) Auxiliary Memory
(D) Cache Memory
Correct Answer : D
Q : When is Rajasthan Information Technology Day celebrated?
(A) March 21
(B) March 22
(C) April 21
(D) April 22
Correct Answer : A
Q : Most of the processing in the computer takes place in …………….
(A) R.A.M.
(B) ROM
(C) CPU
(D) Memory
Correct Answer : C
Q : Which of the following is the first calculating machine?
(A) Calculator
(B) Watch
(C) Abacus
(D) Difference engine
Correct Answer : C
Q : Write the name of the person, who built the first mechanical calculator.
(A) Blaise Pascal
(B) Howard Icon
(C) John Mauchly
(D) None of these
Correct Answer : A
Q : What is the function of an analogue computer?
(A) An instrument is a physical quantity that keeps on changing and acts on such data.
(B) Low level communication
(C) It is an arithmetic high level language
(D) None of these
Correct Answer : B
Q : Which are not the types of computers on the basis of size?
(A) Main frame computer
(B) Mini computer
(C) Microcomputer
(D) Optical computer
Correct Answer : D
Q : Recently, Apple has been fined with which company for patent infringement?
(A) Samsung
(B) Nvidia
(C) Smart Flash LLC
(D) Qualcomm
Correct Answer : C
Q : The memory power of humans is compared to that of computers.
(A) General
(B) High
(C) Average
(D) Low
Correct Answer : A
Q : Which is not included in the main components of the computer’s working system?
(A) Issue
(B) Internet
(C) Investment
(D) External Memory
Correct Answer : B
Q : What is the working principle of computer?
(A) Process
(B) Output
(C) Input
(D) All of the above
Correct Answer : A
Q : Which of the following establishes harmony between all the parts of the computer?
(A) Logic Unit
(B) Control Unit
(C) Arithmetic Logic Unit
(D) All of the above
Correct Answer : B
Q : Recently, TRAI has come up with which possible notification?
(A) No roaming charges pan India
(B) Pan India mobile number portability
(C) Both 1 and 2
(D) None of these
Correct Answer : B
Q : Personal computers are associated with which of the following?
(A) Super Computer
(B) Network
(C) Enterprise
(D) Server
Correct Answer : B
Q : What is the capacity of the computer?
(A) Unlimited
(B) Limited
(C) Low
(D) High
Correct Answer : B
Q : What is the detailed form of CPU?
(A) Control and Primary Unit
(B) Central Processing Unit
(C) Computer and Process Unit
(D) All of the above
Correct Answer : B
Q : What is the processed data called?
(A) Output
(B) Input
(C) Process
(D) All of the above
Correct Answer : A
Q : C.P.U. K A.L.U consists of …………….
(A) Register
(B) RAM space
(C) Secondary storage space
(D) Byte space
Correct Answer : A
Q : In the basic computer processing cycle ………… are involved?
(A) Data, Information and Applications
(B) Systems and Applications
(C) Input, processing and output
(D) None of these
Correct Answer : C
Q : The information that comes from an external source and is fed into the computer software, that information is called ……?
(A) throughput
(B) output
(C) report
(D) input
Correct Answer : D
Q : The microprocessor which is the brain of the computer is also called ……….?
(A) Macroprocessor
(B) Macrochip
(C) Microchip
(D) Software
Correct Answer : C
Q : Where do all the logical and mathematical calculations do by the computer take place on the computer?
(A) Memory
(B) System board
(C) Central Processing
(D) Mother Board
Correct Answer : C
Q : The group of input-output and processing devices represent………..?
(A) circuit board
(B) Information processing cycle
(C) computer system
(D) mobile device
Correct Answer : C
Q : Which of the following is not the basic function of a computer?
(A) Accepting and processing data
(B) Accepting the input
(C) Scanning the text
(D) Processing of data
Correct Answer : C
Q : What purpose was the famous computer named Pacman made for?
(A) Book publishing
(B) Share market
(C) Bank
(D) Sports
Correct Answer : D
Q : Who among the following started Punchcard?
(A) Jacquard
(B) Powers
(C) Pascal
(D) None of these
Correct Answer : D
Q : Which of the following is the fastest?
(A) CD-ROM
(B) RAM
(C) Cache
(D) Registers
Correct Answer : D
Q : By whom the conversion of input to output is done?
(A) by memory
(B) by peripherals
(C) by input and output
(D) by CPU
Correct Answer : D
Q : What is a hardware device that converts data into meaningful information?
(A) Protector
(B) Output device
(C) Input device
(D) Processor
Correct Answer : D
Q : Who controls the movement of signals between the CPU and I/O?
(A) Memory unit
(B) ALU
(C) Control Unit
(D) None of these
Correct Answer : C
Q : Translating words, sounds, imaging and such actions into a format that can be understood by the system unit processing is known as…………..?
(A) Input devices
(B) Device readers
(C) Device drivers
(D) None of these
Correct Answer : A
Q : Main memory works in coordination with …………….
(A) CPU
(B) Special work card
(C) Intel
(D) Ram
Correct Answer : A