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
A. Chares Babbage
B. Vint Cerf
C. Denis Riche
D. Martin Cooper
Right Answer: Vint Cerf
Total 6 Votes:
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6
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_________ is called the father of modern digital computer?
A. Leibnitz
B. Blaise Pascal
C. Charles Babbage
D. J.H Muller
Right Answer: Charles Babbage
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4
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Which of the following devices can be sued to directly image printed text?
A. OCR
B. OMR
C. MICR
D. All of above
Right Answer: OCR
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0
0
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In 1999, the Melissa virus was a widely publicised?
A. E-mail virus.
B. Macro virus.
C. Trojan horse.
D. Time bomb.
Right Answer: E-mail virus.
Total 1 Votes:
0
1
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_______________are system software to facilitate editing of text and data?
A. MS Word
B. Editors
C. PowerPoint
D. MS publisher
Right Answer: Editors
Total 2 Votes:
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2
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Which part of the computer is directly involved in executing the instructions of the computer program?
A. The scanner
B. The main storage
C. The secondary storage
D. The processor
Right Answer: The processor
Total 1 Votes:
0
1
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What is the name given to those applications that combine text, sound, graphics, motion video, and/or animation?
A. Motionware
B. Anigraphics
C. Videoscapes
D. Multimedia
E. None of these
Right Answer: Multimedia
Total 3 Votes:
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3
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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
Total 0 Votes:
0
0
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Modern Computer are very reliable but they are not?
A. Fast
B. Powerful
C. Infallible
D. Cheap
Right Answer: Infallible
Total 2 Votes:
2
0
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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
Total 1 Votes:
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1
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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
Total 2 Votes:
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2
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_________computer are of large size?
A. Micro
B. Mainframe
C. Super
D. Mini
Right Answer: Mainframe
Total 2 Votes:
1
1
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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
Total 3 Votes:
1
2
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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
Total 1 Votes:
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1
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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
Total 2 Votes:
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2
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A(n)_____________is a set of programs designed to manage the resources of a computer, including starting the computer, managing programs, managing memory and coordinating tasks between input and output devices?
A. application suite
B.compiler
C. input/output system
D. Operating system
Right Answer: Operating system
Total 4 Votes:
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4
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The computer abbreviation KB usually means?
A. Key Block
B. Kernel Boot
C. Kilo Byte
D. Kit Bit
Right Answer: Kilo Byte
Total 2 Votes:
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2
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Which of the following software could assist someone who cannot use their hands for computer input?
A. Video conferencing
B. Speech recognition
C. Audio digitizer
D. Synthesizer
Right Answer: Speech recognition
Total 2 Votes:
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2
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A small or intelligent device is so called because it contains within it a?
A. Computer
B. Microcomputer
C. Programmable
D. Sensor
Right Answer: Sensor
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0
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Examples of output devices are?
A. Screen
B. Printer
C. Speaker
D. All of these
Right Answer: All of these
Total 0 Votes:
0
0
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A computer program that translates one program instructions at a time into machine language is called a/an?
A. Interpreter
B. CPU
C. Compiler
D. Simulator
Right Answer: Interpreter
Total 2 Votes:
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2
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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
Total 2 Votes:
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2
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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
Total 4 Votes:
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4
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Which technology is used in compact disks?
A. Mechanical
B. Electrical
C. Electro Magnetic
D. Laser
Right Answer: Laser
Total 3 Votes:
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3
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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
Total 2 Votes:
0
2
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What is a light pen?
A. A Mechanical Input device
B. Optical input device
C. Electronic input device
D. Optical output device
Right Answer: Optical input device
Total 1 Votes:
0
1
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____________computer is a medium sized computer?
A. Micro
B. Mainframe
C. Super
D. Mini
Right Answer: Mini
Total 0 Votes:
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0
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A(n)_______________appearing on a web page opens another document when clicked?
A. anchor
B. URL
C. hyperlink
D. reference
Right Answer: hyperlink
Total 2 Votes:
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2
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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.
Total 0 Votes:
0
0
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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
Total 0 Votes:
0
0
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Which of the following memories must be refreshed many times per second?
A. Static RAM
B. Dynamic RAM
C. EPROM
D. ROM
Right Answer: Dynamic RAM
Total 1 Votes:
0
1
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What is the most common tool used to restrict access to a computer system?
A. User logins
B. Passwords
C. Computer keys
D. Access-control software
Right Answer: Passwords
Total 1 Votes:
0
1
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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
Total 0 Votes:
0
0
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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
Total 1 Votes:
1
0
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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
Total 0 Votes:
0
0
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Smallest font size in MS-word is?
A. 6
B. 8
C. 10
D. 12
Right Answer: 8
Total 6 Votes:
1
5
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Which of the following is first generation of computer?
A. EDSAC
B. IBM-1401
C. CDC-1604
D. ICL-2900
Right Answer: EDSAC
Total 3 Votes:
1
2
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ALU is?
A. Arithmetic Logic Unit
B. Array Logic Unit
C. Application Logic Unit
D. None of above
Right Answer: Arithmetic Logic Unit
Total 3 Votes:
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3
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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
Right Answer: a control unit and an arithmetic logic unit
Total 1 Votes:
0
1
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On-line real time systems become popular in______________generation?
A. First Generation
B. Second Generation
C. Third Generation
D. Fourth Generation
Right Answer: Third Generation
Total 2 Votes:
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2
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Microprocessors as switching devices are for ___________generation computers?
A. First Generation
B. Second Generation
C. Third Generation
D. Fourth Generation
Right Answer: Fourth Generation
Total 4 Votes:
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4
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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
Total 0 Votes:
0
0
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What is the main difference between a mainframe and a super computer?
A. Super computer is much larger than mainframe computers
B. Super computers are much smaller than mainframe computers
C. Supercomputers are focused to execute few programs as fast as possible while mainframe uses its power to execute as many programs concurrently
D. Supercomputers are focused to execute as many programs as possible while mainframe uses its power to execute few programs as fast as possible.
Right Answer: Supercomputers are focused to execute few programs as fast as possible while mainframe uses its power to execute as many programs concurrently.
Total 1 Votes:
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1
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Cathode Ray Tube is a form of?
A. Keyboard
B. Mouse
C. Monitor
D. Mother board
Right Answer: Monitor
Total 2 Votes:
0
2
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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
Total 2 Votes:
0
2
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Example of non-numeric data is?
A. Employee address
B. Examination score
C. Bank balance
D. All of these
Right Answer: Employee address
Total 2 Votes:
0
2
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A(n)____________language reflects the way people think mathematically?
A. cross-platform programming
B. 3GL business programming
C. event driven programming
D. functional
Right Answer: functional
Total 0 Votes:
0
0
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__________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
Right Answer: Network
Total 0 Votes:
0
0
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Codes consisting of lines of varying widths or lengths that are computer-readable are known as?
A. an ASCII code
B. a magnetic tape
C. an OCR scanner
D. a bar code
Right Answer: a bar code
Total 0 Votes:
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0
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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
Total 2 Votes:
0
2
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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
Total 0 Votes:
0
0
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You can organize files by storing them in?
A. archives
B. folders
C. indexes
D. lists
Right Answer: folders
Total 1 Votes:
1
0
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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
Total 3 Votes:
0
3
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MICR stands for?
A. Magnetic Ink Character Reader
B. Magnetic Ink Code Reader
C. Magnetic Ink Cases Reader
D. None
Right Answer: Magnetic Ink Character Reader
Total 0 Votes:
0
0
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_____________is a windows utility program that locates and eliminates unncessary fragments and rearranges filed and unused disk space to optimize operations?
A. Backup
B. Disk cleanup
C. Disk Defragmenter
D. Restore
Right Answer: Disk Defragmenter
Total 2 Votes:
0
2
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Computers process data into information by working exclusively with?
A. multimedia
B. word
C. numbers
D. characters
Right Answer: numbers
Total 0 Votes:
0
0
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____________translates and executes program at run time line by line?
A. Compiler
B. Interpreter
C. Linker
D. Loader
Right Answer: Interpreter
Total 0 Votes:
0
0
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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
Total 1 Votes:
1
0
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Unwanted repetitious messages, such as unsolicited bulk e-mail is known as?
A. Spam
B. Trash
C. Calibri
D. Courier
Right Answer: Spam
Total 3 Votes:
0
3
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__________is defined as any crime completed through the use of computer technology?
A. Computer forensics
B. Computer crime
C. Hacking
D. Cracking
Right Answer: Computer crime
Total 3 Votes:
2
1
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_____________are set of rules and procedures to control the data transmission over the internet?
A. IP address
B. Domains
C. Protocol
D. Gateway
Right Answer: Protocol
Total 3 Votes:
0
3
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“MAN” stands for?
A. Maximum Area Network
B. Minimum Area Network
C. Main Area Network
D. Metropolitan Area Network
Right Answer: Metropolitan Area Network
Total 3 Votes:
0
3
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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
Total 2 Votes:
0
2
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___________ is the key to close a selected drop -down list; cancel a command and close a dialog box?
A. TAB
B. SHIFT
C. ESC
D. F10
Right Answer: ESC
Total 2 Votes:
0
2
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What do you call the programs that are used to find out possible faults and their causes?
A. operating system extensions
B. cookies
C. diagnostic software
D. boot diskettes
Right Answer: diagnostic software
Total 1 Votes:
0
1
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MSI stands for?
A. Medium Scale Integrated Circuits
B. Medium System Integrated Circuits
C. Medium Scale Intelligent Circuit
D. Medium System Intelligent Circuit
Right Answer: Medium Scale Integrated Circuits
Total 5 Votes:
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5
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ALU and Control Unit jointly known as?
A. RAM
B. ROM
C. CPU
D. PC
Right Answer: CPU
Total 3 Votes:
0
3
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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
Total 2 Votes:
0
2
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The most common type of storage devices are?
A. Steel
B. optical
C. magnetic
D. flash
Right Answer: optical
Total 2 Votes:
0
2
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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
Total 3 Votes:
0
3
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EBCDIC stands for?
A. Extended Binary Coded Decimal Interchange Code
B. Extended Bit Code Decimal Interchange Code
C. Extended Bit Case Decimal Interchange Code
D. Extended Binary Case Decimal Interchange Code
Right Answer: Extended Binary Coded Decimal Interchange Code
Total 3 Votes:
0
3
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The capacity of 3.5 inch floppy disk was?
A. 1.40 MB
B. 1.44 GB
C. 1.40 GB
D. 1.44 MB
Right Answer: 1.44 MB
Total 4 Votes:
0
4
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Which of the printers used in conjunction with computers uses dry ink powder?
A. Daisy wheel printer
B. Line printer
C. Laser printer
D. Thermal printer
Right Answer: Laser printer
Total 2 Votes:
0
2
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The instructions that tell a computer how to carry out the processing tasks are referred to as computer?
A. programs
B. processors
C. input devices
D. memory modules
Right Answer: programs
Total 1 Votes:
0
1
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Which device is required for the Internet connection?
A. Joystick
B. Modem
C. CD Drive
D. NIC Card
Right Answer: Modem
Total 2 Votes:
0
2
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What does DMA stand for?
A. Distinct Memory Access
B. Direct Memory Access
C. Direct Module Access
D. Direct Memory Allocation
Right Answer: Direct Memory Access
Total 1 Votes:
0
1
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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
Total 1 Votes:
0
1
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The basic operations performed by a computer are?
A. Arithmetic operation
B. Logical operation
C. Storage and relative
D. All the above
Right Answer: All the above
Total 2 Votes:
0
2
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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
Total 1 Votes:
0
1
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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
Total 1 Votes:
0
1
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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
Total 1 Votes:
0
1
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physical structure of computer is called?
A. Software
B. Hardware
C. Human ware
D. All of these
Right Answer: Hardware
Total 1 Votes:
0
1
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Which of the following is the smallest storage?
A. Megabyte
B. Gigabyte
C. Terabyte
D. None of these
Right Answer: None of these
Total 2 Votes:
0
2
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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
Total 2 Votes:
0
2
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A light sensitive device that converts drawing, printed text or other images into digital form is?
A. Keyboard
B. Scanner
C. OMR
D. None of these
Right Answer: Scanner
Total 2 Votes:
0
2
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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
Total 2 Votes:
0
2
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In which type of computer, data are represented as discrete signals?
A. Analog computer
B. Digital computer
C. both
D. Hybrid Computer
Right Answer: Digital computer
Total 1 Votes:
1
0
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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
Total 1 Votes:
0
1
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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
Total 2 Votes:
0
2
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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.
Total 2 Votes:
0
2
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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
Total 7 Votes:
1
6
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One of the popular mass storage device is CD ROM. What does CD ROM stand for?
A. Compactable Read Only Memory
B. Compact Data Read Only Memory
C. Compactable Disk Read Only Memory
D. Compact Disk Read Only Memory
Right Answer: Compact Disk Read Only Memory
Total 3 Votes:
0
3
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Magnetic disk is an example of?
A. Secondary memory
B. Primary memory
C. Main memory
D. Both (1) and (2)
Right Answer: Secondary memory
Total 2 Votes:
0
2
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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
Total 1 Votes:
0
1
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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
Total 2 Votes:
1
1
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You use a(n)___________such as a keyboard or mouse, to input information?
A. output device
B. input device
C. storage device
D. processing device
Right Answer: input device
Total 1 Votes:
0
1
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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
Total 1 Votes:
0
1
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The first computers were programmed using?
A. Assembly language
B. Machine language
C. Source code
D. Object code
Right Answer: Machine language
Total 0 Votes:
0
0
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_______________is the ability of a device to “jump” directly to the requested data?
A. Sequential access
B. Random access
C. Quick access
D. All of the above
Right Answer: Random access
Total 1 Votes:
0
1
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The brain of any computer system is?
A. ALU
B. Memory
C. CPU
D. Control unit
Right Answer: CPU
Total 1 Votes:
0
1
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