A computer is a device that can be instructed to carry out arbitrary sequences of arithmetic or logical operations automatically. The ability of computers to follow generalized sets of operations, called programs, enables them to perform an extremely wide range of tasks.
Such computers are used as control systems for a very wide variety of industrial and consumer devices. This includes simple special purpose devices like microwave ovens and remote controls, factory devices such as industrial robots and computer assisted design, but also in general purpose devices like personal computers and mobile devices such as smartphones. The Internet is run on computers and it connects millions of other computers.Conventionally, a modern computer consists of at least one processing element, typically a central processing unit (CPU), and some form of memory.Computer an electronic device that stores and manipulates information. Unlike a calculator, it is able to store a program and retrieve information from its memory. Most computers today are digital, which means they perform operations with quantities represented electronically as digits. that accepts information, And that can solve different problems.Just follow the Mcqs online quiz being dispatched over here with respect to your preparation for entry admission test NTS PPSC OTS PTS and missllenous job exams simultaneously.
Here we have large collection of Computer Mcqs for all Students and jobs test preparation purpose. These Computer Mcqs will be updated on daily basis and added more multiple choice question about Computer frequently.You can prepare your Computer Subject for different classes like 9th class, 10th class ,11th class 12th class exams, Entry Test like MCAT NTS ,OTS ,PTS ,BTS, GTS, Jobs Test,Recruitment Test like PPSC CSS FPSC SPSC KPPSC and interviews here.
Computer Mcqs Online With Answers for NTS PPSC Entry Test Classes
Computer
Computer Mcqs with Answers online
_________computer are of large size?
A. Micro
B. Mainframe
C. Super
D. Mini
Right Answer: Mainframe
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Which of these is not a means of personal communication on the internet?
A. Chat
B. Instant messaging
C. Insta notes
D. Electronic mail
Right Answer: Insta notes
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Cathode Ray Tube is a form of?
A. Keyboard
B. Mouse
C. Monitor
D. Mother board
Right Answer: Monitor
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_______________are specific to users’ needs?
A. System software
B. Application software
C. Assemblers
D. Compilers
Right Answer: Application software
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Which statement is valid about computer program?
A. High level languages must be converted into machine language to execute
B. High level language programs are more efficient and faster to execute
C. It is more difficult to identify errors in high level language program than in low level programs
D. All of above
Right Answer: High level languages must be converted into machine language to execute
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Chief component of first generation computer was?
A. Transistors
B. Vacuum Tubes and Valves
C. Integrated Circuits
D. None of above
Right Answer: Vacuum Tubes and Valves
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Human beings are referred to as Homosapinens, which device is called Sillico Sapiens?
A. Monitor
B. Hardware
C. Robot
D. Computer
Right Answer: Computer
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____________are used for plotting graphs and design on papers?
A. Trackball
B. Joystick
C. Light pen
D. Plotters
Right Answer: Plotters
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MIS is designed to provide information needed for effective decision making by?
A. Consumers
B. Workers
C. Foremen
D. Managers
Right Answer: Managers
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A(n)_____________program is one that is ready to run and does not need to be altered in any way?
A. Interpreter
B. High level
C. Compiler
D. Executable
Right Answer: Executable
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Who is the Current CEO of Microsoft?
A. Babbage
B. Bill Gates
C. Bill Clinton
D. Satya Nadella
Right Answer: Satya Nadella
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Computers, combine both measuring and counting, are called?
A. Analog
B. Digital
C. Hybrid
D. All of these
Right Answer: Hybrid
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The process of transferring files from a computer on the Internet to your computer is called?
A. Downloading
B. uploading
C. FTP
D. JPEG
Right Answer: Downloading
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Analog computer works on the supply of?
A.Continuous electrical pulses
B.Electrical pulses but not continuous
C.Magnetic strength
D.None of the above
Right Answer: Continuous electrical pulses
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Touch Screen is?
A. Input device
B. Output device
C. Both A & B above
D. None of these
Right Answer: Both A & B above
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A self replicating program, similar to a virus which was taken from a 1970s science fiction novel by John Bruner entitled the Shockwave Rider is?
A. Bug
B. Vice
C. Lice
D. Worm
Right Answer: Worm
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Which programming languages are classified as low level languages?
A. BASIC, COBOL, Fortran
B. Prolog
C. C, C++
D. Assembly languages
Right Answer: Assembly languages
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_____________are used to identify a user who returns to a Website?
A. Cookies
B. Plug-ins
C. Scripts
D. ASPs
Right Answer: Cookies
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What is meant by a dedicated computer?
A. Which is used by one person only
B. Which is assigned one and only one task
C. Which uses one kind of software
D. Which is meant for application software
Right Answer: Which is assigned one and only one task
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The CPU and memory are located on the?
A. expansion board
B. motherboard
C. storage device
D. output device
Right Answer: motherboard
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___________refers to electronic trespassing or criminal hacking?
A. Cracking
B. Jacking
C. Spoofing
D. Smarming
Right Answer: Cracking
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When did John Napier develop logarithm?
A. 1416
B. 1614
C. 1641
D. 1804
Right Answer: 1614
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The system unit of a personal computer typically contains all of the following except?
A. Microprocessor
B. Disk controller
C. Serial interface
D. Modem
Right Answer: Modem
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Computers manipulate data in many ways, and this manipulation is called?
A. upgrading
B. processing
C. batching
D. utilizing
Right Answer: processing
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Personal computers use a number of chips mounted on a main circuit board. What is the common name for such boards?
A. Daughter board
B. Motherboard
C. Father board
D. Breadboard
Right Answer: Motherboard
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A program that performs a useful task while simultaneously allowing destructive acts is a?
A. Worm.
B. Trojan horse.
C. Virus.
D. Macro virus
Right Answer: Trojan horse.
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The first electronic computer was developed by?
A. J.V. Attansoff
B. Bill Gates
C. Simur Cray
D. Winton Serf
Right Answer: J.V. Attansoff
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A set of rules for telling the computer what operations to perform is called a?
A. procedural language
B. structures
C. natural language
D. programming language
Right Answer: programming language
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A DVD is an example of a (n)?
A. hard disk
B. optical disc
C. output device
D. solid-state storage device
Right Answer: optical disc
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The computer size was very large in?
a. First Generation
b. Second Generation
c. Third Generation
d. Fourth Generation
Right Answer: First Generation
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The output quality of a printer is measured by?
A. Dot per inch
B. Dot per sq. inch
C. Dots printed per unit time
D. All of above
Right Answer: Dot per sq. inch
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Father of “C‘ programming language?
A. Dennis Ritchie
B. Prof John Keenly
C. Thomas Kurtz
D. Bill Gates
Right Answer: Dennis Ritchie
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Which of the following is a storage device?
A. Tape
B. Hard Disk
C. Floppy Disk
D. All of the above
Right Answer: All of the above
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Modern Computer are very reliable but they are not?
A. Fast
B. Powerful
C. Infallible
D. Cheap
Right Answer: Infallible
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A fault in a computer program which prevents it from working correctly is known as?
A. Boot
B. Bug
C. Biff
D. Strap
Right Answer: Bug
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VOIP stands for?
A. Voice over IP
B. Video over IP
C. Viruses over IP
D. Virtual over IP
Right Answer: Voice over IP
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Smallest font size in MS-word is?
A. 6
B. 8
C. 10
D. 12
Right Answer: 8
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Which of the following is not anti- viruses software?
A. Avira
B. Kaspersky
C. Oracle
D. McAfee
Right Answer: Oracle
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To access properties of an object, the mouse technique to use is?
A. Dragging
B. dropping
C. right-clicking
D. shift-clicking
Right Answer: right-clicking
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Identify the true statement about computer?
A. Computers are 100% accurate but it can suffer from GIGO (Garbage In Garbage Out)
B. Computers are reliable because they use electronic component which have very low failure rate
C. Computer is never tired and does not suffer from boredom
D. All of above
Right Answer: All of above
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Who invented the high level language “C”?
A. Dennis M. Ritchie
B. Niklaus Writh
C. Seymour Papert
D. Donald Kunth
Right Answer: Dennis M. Ritchie
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Which of the following are input devices?
A. Keyboard
B. Mouse
C. Card reader
D. Any of these
Right Answer: Any of these
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Coded entries which are used to gain access to a computer system are called?
A. Entry codes
B. Passwords
C. Security commands
D. Code words
Right Answer: Passwords
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The_____________data mining technique derives rules from real-world case examples?
A. Rule discover
B. Signal processing
C. Neural nets
D. Case-based reasoning
Right Answer: Neural nets
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TCP/IP invented by?
A. Robert E. Kahn
B. Vint Cerf
C. Alan turing
D. A & B
Right Answer: A & B
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The device used to carry digital data on analogue lines is called as?
A. Modem
B. Multiplexer
C. Modulator
D. Demodulator
Right Answer: Modem
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A computer cannot ‘boot’ if it does not have the?
A. Compiler
B. Loader
C. Operating System
D. Assembler
Right Answer: Operating System
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RAM is an example of?
A. Secondary memory
B. Primary memory
C. Main memory
D. Both (1) and (2)
Right Answer: Primary memory
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In world today, most of the computers are?
A. Digital
B. Hybrid
C. Analog
D. Complex
Right Answer: Digital
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____________computer is a medium sized computer?
A. Micro
B. Mainframe
C. Super
D. Mini
Right Answer: Mini
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Memory is made up of?
A. Set of wires
B. Set of circuits
C. Large number of cells
D. All of these
Right Answer: Large number of cells
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A computer program that converts an entire program into machine language is called a/an?
A. Interpreter
B. Simulator
C. Compiler
D. Commander
Right Answer: Compiler
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which statement describe “Hackers”?
A. all have the same motive
B. break into other people’s computers
C. may legally break into computers as long as they do not do any damage
D. are people who are allergic to computers
Right Answer: break into other people’s computers
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Second Generation computers were developed during?
A. 1949 to 1955
B. 1956 to 1965
C. 1965 to 1970
D. 1970 to 1990
Right Answer: 1956 to 1965
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____________is the measurement of things such as fingerprints and retinal scans used for security access?
A. Biometrics
B. Bio measurement
C. Computer security
D. Smart weapon machinery
Right Answer: Biometrics
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An intentionally disruptive program that spreads from program to program or from disk to disk is known as a?
A. Trojan horse.
B. Virus.
C. Time bomb.
D. Time-related bomb sequence.
Right Answer: Virus.
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1 Gigabyte is equal to?
A. 1024 bits
B. 1000 megabytes
C. 1024 kilobytes
D. 1024 megabytes
Right Answer: 1024 megabytes
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_____________computers operates essentially by counting?
A. Portable computer
B. Hybrid computer
C. Analog computer
D. Digital computer
Right Answer: Digital computer
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LAN stands for?
A. Limited Area Network
B. Logical Area Network
C. Local Area Network
D. Large Area Network
Right Answer: Local Area Network
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What is the overall term for creating editing, formatting, storing, retrieving and printing a text document?
A. Word processing
B. Spreadsheet design
C. Web design
D. Database management
Right Answer: Word processing
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Fourth generation mobile technology provides enhanced capabilities allowing the transfer of both____________data, including full-motion video, high-speed internet access, and video conferencing?
A. video data and information
B. voice and non-voice
C. music and video
D. video and audio
Right Answer: voice and non-voice
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The CPU comprises of Control, Memory and_______________units?
A. Microprocessor
B. Arithmetic/Logic
C. Output
D. ROM
Right Answer: Arithmetic/Logic
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To move a copy of file from one computer to another over a communication channel is called?
A. File transfer
B. File encryption
C. File modification
D. File copying
Right Answer: File transfer
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CSS stands for?
A. Central Superior Services
B. Cascading style sheets
C. Both
D. None of above
Right Answer: Cascading style sheets
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All of the following are examples of real security and privacy risks EXCEPT?
A. hackers
B. Spam
C. Viruses
D. identity theft
Right Answer: Spam
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In which generation Computers vacuum tube were used?
A. First generation
B. Second generation
C. Third generation
D. Fourth generation
Right Answer: First generation
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WAN stands for?
A. Wap Area Network
B. Wide Area Network
C. Wide Array Net
D. Wireless Area Network
Right Answer: Wide Area Network
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RAM can be treated as the____________for the computer’s processor?
A. factory
B. operating room
C. waiting room
D. planning room
Right Answer: waiting room
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Which of the following is a part of the Central Processing Unit?
A. Printer
B. Key board
C. Mouse
D. Arithmetic & Logic unit
Right Answer: Arithmetic & Logic unit
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BIOS stands for?
A. Basic Input Output system
B. Binary Input output system
C. Basic Input Off system
D. all the above
Right Answer: Basic Input Output system
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Forms that are used to organize business data into rows and coloumns are called?
A. transaction sheets
B. registers
C. business forms
D. spread sheets
Right Answer: spread sheets
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DOS stands for?
A. Disk Operating System
B. Disk operating session
C. Digital Operating System
D. Digital Open system
Right Answer: Disk Operating System
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Who is the father of Computer science?
A. Allen Turing
B. Charles Babbage
C. Simur Cray
D. Augusta Adaming
Right Answer: Allen Turing
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When a computer is switched on, the booting process performs?
A. Integrity Test
B. Power-On Self-Test
C. Correct Functioning Test
D. Reliability Test
Right Answer: Power-On Self-Test
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Large transaction processing systems in automated organisations use?
A. Online processing
B. Batch Processing
C. Once-a-day Processing
D. End-of-day processing
Right Answer: Batch Processing
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You can organize files by storing them in?
A. archives
B. folders
C. indexes
D. lists
Right Answer: folders
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Who invented Slide Rules?
A. John Napier
B. William Oughtred
C. Gottfried Leibnitz
D. Blaise Pascal
Right Answer: William Oughtred
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Personnel who design, program, operate and maintain computer equipment refers to?
A. Console-operator
B. Programmer
C. Peopleware
D. System Analyst
Right Answer: Peopleware
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Servers are computers that provide resources to other computers connected to a?
A. networked
B. mainframe
C. supercomputer
D. client
Right Answer: mainframe
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When a logic bomb is activated by a time-related event, it is known as a?
A. Time-related bomb sequence.
B. Virus.
C. Time bomb.
D. Trojan horse.
Right Answer: Time bomb.
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Process of loading and fixing or bypassing errors in computer program code is called?
A. Debugging
B. Defusing
C. Defragmenting
D. Defrosting
Right Answer: Debugging
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The programs which are as permanent as hardware and stored in ROM is known as?
A. Hardware
B. Software
C. Firmware
D. ROM ware
Right Answer: Firmware
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In analogue computer?
A. Input is first converted to digital form
B. Input is never converted to digital form
C. Output is displayed in digital form
D. All of above
Right Answer: Input is never converted to digital form
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When creating a computer program, the____________designs the structure of the program?
A. End user
B. System Analyst
C. Programmer
D. All of the above
Right Answer: System Analyst
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Which of the following controls the process of interaction between the user and the operating system?
A. User interface
B. Language translator
C. Platform
D. Screen saver
Right Answer: User interface
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Note book, laptop,palm,hand-held computers are coming under the category of__________computer?
A. Digital computer
B. Mainframe computer
C. Portable computer
D. Hybrid computer
Right Answer: Portable computer
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If a computer has more than one processor then it is known as?
A. Uni-process
B. Multiprocessor
C. Multi-threaded
D. Multi-programming
Right Answer: Multiprocessor
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WWW stands for?
A. World Whole Web
B. Wide World Web
C. Web World Wide
D. World Wide Web
Right Answer: World Wide Web
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A modem is connected to?
A. a telephone line
B. a keyboard
C. a printer
D. a monitor
Right Answer: a telephone line
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What kind of memory is both static and non -volatile?
A. RAM
B. ROM
C. BIOS
D. CACHE
Right Answer: ROM
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NOS stands for?
A. Node operating system
B. Non-open software
C. Network Operating system
D. Non-operating software
Right Answer: Network Operating system
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Personnel who design, program, operate and maintain computer equipment refers to?
A. Console-operator
B. Programmer
C. Peopleware
D. System Analyst
Right Answer: Peopleware
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The primary function of the__________is to set up the hardware and load and start an operating system?
A. System Programs
B. BIOS
C. CP
D. Memory
Right Answer: BIOS
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The software that is used to create text-based documents are referred to as?
A. DBMS
B. Suites
C. Spreadsheets
D. Word processors
Right Answer: Word processors
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An area of a computer that temporarily holds data waiting to be processed is?
A. CPU
B. Memory
C. Storage
D. File
Right Answer: Memory
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Junk e-mail is also called?
A. spam
B. spoof
C. sniffer script
D. spool
Right Answer: spam
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The proper definition of a modern digital computer is?
A. An electronic automated machine that can solve problems involving words and numbers
B. A more sophistic and modified electronic pocket calculator
C. Any machine that can perform mathematical operations
D. A machine that works on binary code
Right Answer: An electronic automated machine that can solve problems involving words and numbers
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Who designed the first electronics computer – ENIAC?
A. Van-Neumann
B. Joseph M. Jacquard
C. J. Presper Eckert and John W Mauchly
D. All of above
Right Answer: J. Presper Eckert and John W Mauchly
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The typical computer criminal is a(n)?
A. Young hacker.
B. Trusted employee with no criminal record.
C. Trusted employee with a long, but unknown criminal record.
D. Overseas young cracker.
Right Answer: Trusted employee with no criminal record.
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What is the name of an application program that gathers user information and sends it to someone through the Internet?
A. A virus
B. Spybot
C. Logic bomb
D. Security patch
Right Answer: Spybot
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