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(n)_______________appearing on a web page opens another document when clicked?
A. anchor
B. URL
C. hyperlink
D. reference
Right Answer: hyperlink
Total 3 Votes:
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3
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Collecting personal information and effectively posing as another individual is known as the crime of?
A. Spooling.
B. Identity theft.
C. Spoofing.
D. Hacking.
Right Answer: Identity theft.
Total 1 Votes:
0
1
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The______________is the amount of data that a storage device can move from the storage medium to the Computer per second?
A. data migration rate
B. data digitizing rate
C. data transfer rate
D. data access rate
Right Answer: data transfer rate
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0
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In latest generation computers, the instructions are executed?
A. Parallel only
B. Sequentially only
C. Both sequentially and parallel
D. All of above
Right Answer: Both sequentially and parallel
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0
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When a file is saved for the first time?
A. a copy is automatically printed
B. it must be given a name to identify it
C. it does not need a name
D. it only needs a name if it is not going to be printed
Right Answer: it must be given a name to identify it
Total 3 Votes:
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3
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You can organize files by storing them in?
A. archives
B. folders
C. indexes
D. lists
Right Answer: folders
Total 2 Votes:
1
1
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_____________is computer software designed to operate the computer hardware and to provide platform for running application software?
A. Application software
B. System software
C. Software
D. Operating system
Right Answer: System software
Total 3 Votes:
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3
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_________________provides process and memory management services that allow two or more tasks, jobs, or programs to run simultaneously?
A. Multitasking
B. Multithreading
C. Multiprocessing
D. Multicomputing
Right Answer: Multitasking
Total 3 Votes:
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3
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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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3
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ALU and Control Unit jointly known as?
A. RAM
B. ROM
C. CPU
D. PC
Right Answer: CPU
Total 4 Votes:
1
3
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What do you call the translator which takes assembly language program as input & produce machine language code as output?
A. Compiler
B. Interpreter
C. Debugger
D. Assembler
Right Answer: Assembler
Total 1 Votes:
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1
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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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2
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To prevent the loss of data during power failures, use a(n)?
A. Encryption program
B. Surge protector
C. Firewall
D. UPS
Right Answer: UPS
Total 3 Votes:
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3
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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
Total 0 Votes:
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0
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Which of the following does not store data permanently?
A. ROM
B. RAM
C. Floppy Disk
D. Hard Disk
Right Answer: RAM
Total 1 Votes:
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1
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What characteristic of read-only memory (ROM) makes it useful?
A. ROM information can be easily updated.
B. Data in ROM is non-volatile, that is, it remains there even without electrical power.
C. ROM provides very large amounts of inexpensive data storage.
D. ROM chips are easily swapped between different brands of computers.
Right Answer: Data in ROM is non-volatile, that is, it remains there even without electrical power.
Total 4 Votes:
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4
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What type of virus uses computer hosts to reproduce itself?
A. Time bomb
B. Worm
C. Melissa virus
D. Macro virus
Right Answer: Worm
Total 2 Votes:
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2
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A detailed written description of the programming cycle and the program, along with the test results and a printout of the program is called?
A. documentation
B. output
C. reporting
D. spec sheets
Right Answer: documentation
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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 3 Votes:
1
2
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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
Total 2 Votes:
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2
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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:
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1
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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 1 Votes:
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1
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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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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.
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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 one is Digital device, select from the choices below?
A.Digital Clock
B.Automobile speed meter
C.Clock with a dial and two hands
D.All of them
Right Answer: Digital Clock
Total 1 Votes:
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1
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Microprocessors can be used to make?
A. Computer
B. Digital systems
C. Calculators
D. All of the above
Right Answer: All of the above
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2
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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:
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0
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A computer system that is old and perhaps not satisfactory is referred to as a(n)?
A. Ancient system
B. Historical system
C. Age old system
D. Legacy system
Right Answer: Legacy system
Total 2 Votes:
1
1
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In power point, the header and footer button can be found on the insert tab in what group?
A. Illustrations group
B. Object group
C. Text group
D. Tables group
Right Answer: Text group
Total 1 Votes:
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1
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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
Total 1 Votes:
0
1
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Reusable optical storage will typically have the acronym?
A. CD
B. DVD
C. ROM
D. RW
Right Answer: RW
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1
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UNIVAC is?
A. Universal Automatic Computer
B. Universal Array Computer
C. Unique Automatic Computer
D. Unvalued Automatic Computer
Right Answer: Universal Automatic Computer
Total 4 Votes:
1
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A person who used his or her expertise to gain access to other people’s computers to get information illegally or do damage is a?
A. Hacker
B. spammer
C. instant messenger
D. programmer
Right Answer: Hacker
Total 4 Votes:
0
4
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The term___________designates equipment that might be added to a computer system to enhance its functionality?
A. digital device
B. system add-on
C. disk pack
D. peripheral device
Right Answer: peripheral device
Total 3 Votes:
1
2
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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
Total 1 Votes:
0
1
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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 is the smallest storage?
A. Megabyte
B. Gigabyte
C. Terabyte
D. None of these
Right Answer: None of these
Total 2 Votes:
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2
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What is embedded system?
A. The programme which arrives by being wrapped in box.
B. The programme which is the permanent part of the computer
C. The computer which is the part of a big computer
D. The computer and software system that control the machine
Right Answer: The computer and software system that control the machine
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2
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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
Total 2 Votes:
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2
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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:
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4
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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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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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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:
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2
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Where does most data go first with in a computer memory hierarchy ?
A. RAM
B. ROM
C. BIOS
D. CACHE
Right Answer: RAM
Total 3 Votes:
0
3
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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:
0
1
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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
Total 1 Votes:
0
1
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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
Total 0 Votes:
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0
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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:
0
2
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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
Total 6 Votes:
1
5
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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
Total 3 Votes:
1
2
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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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3
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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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_______________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:
0
2
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Memory unit is one part of?
A. Input device
B. Control unit
C. Output device
D. Central Processing Unit
Right Answer: Central Processing Unit
Total 3 Votes:
1
2
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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
Total 4 Votes:
0
4
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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
Total 2 Votes:
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2
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COBOL is an acronym for?
A. Common Business Oriented Language
B. Computer Business Oriented Language
C. Common Business Operated Language
D. Common Business Organized Language
Right Answer: Common Business Oriented Language
Total 1 Votes:
0
1
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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 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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WAN stands for?
A. Wap Area Network
B. Wide Area Network
C. Wide Array Net
D. Wireless Area Network
Right Answer: Wide Area Network
Total 2 Votes:
0
2
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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
Total 2 Votes:
0
2
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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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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
Total 0 Votes:
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0
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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:
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2
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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
Total 3 Votes:
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Which of the following is also known as brain of computer?
A. Control unit
B. Central Processing unit
C. Arithmetic and language unit
D. Monitor
Right Answer: Central Processing unit
Total 1 Votes:
0
1
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Junk e-mail is also called?
A. spam
B. spoof
C. sniffer script
D. spool
Right Answer: spam
Total 4 Votes:
0
4
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Select the Odd one from the following?
A. Operating system
B. Interpreter
C. Compiler
D. Assembler
Right Answer: Operating system
Total 5 Votes:
0
5
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What type of resource is most likely to be a shared common resource in a computer Network?
A. Printers
B. Speakers
C. Floppy disk drives
D. Keyboards
Right Answer: Printers
Total 3 Votes:
0
3
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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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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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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
Total 0 Votes:
0
0
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Which of the following is NOT one of the four major data processing functions of a computer?
A. gathering data
B. processing data into information
C. analyzing the data or information
D. storing the data or information
Right Answer: analyzing the data or information
Total 4 Votes:
2
2
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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
Total 2 Votes:
0
2
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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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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
Total 4 Votes:
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4
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Data becomes____________when it is presented in a format that people can understand and use?
A. processed
B. graphs
C. information
D. presentation
Right Answer: information
Total 2 Votes:
2
0
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Which of the following are the functions of a operating system?
A. Allocates resources
B. Monitors Activities
C. Manages disks and files
D. All of the above
Right Answer: All of the above
Total 1 Votes:
0
1
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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
Total 1 Votes:
0
1
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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.
Total 1 Votes:
0
1
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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 3 Votes:
2
1
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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
Total 3 Votes:
0
3
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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
Total 3 Votes:
0
3
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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 2 Votes:
0
2
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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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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
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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____________computer is a medium sized computer?
A. Micro
B. Mainframe
C. Super
D. Mini
Right Answer: Mini
Total 0 Votes:
0
0
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Hardware or software designed to guard against unauthorized access to a computer network is known as a(n)?
A. Hacker-proof program
B. Firewall
C. Hacker-resistant server
D. Encryption safe wall
Right Answer: Firewall
Total 1 Votes:
0
1
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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:
0
2
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An error in software or hardware is called a bug. What is the alternative computer jargon for it?
A. Leech
B. Squid
C. Slug
D. Glitch
Right Answer: Glitch
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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CD-ROM stands 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 1 Votes:
0
1
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A collection of system programs that controls and co-ordinates the overall operations of a computer system is called?
A. System software
B. Operating system
C. Utility program
D. Device driver
Right Answer: Operating system
Total 0 Votes:
0
0
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To display the contents of a folder in Windows Explorer you should?
A. click on it
B. collapse it
C. name it
D. give it a password
Right Answer: click on it
Total 3 Votes:
1
2
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Which of the following are components of Central Processing Unit (CPU) ?
A. Arithmetic logic unit, Mouse
B. Arithmetic logic unit, Control unit
C. Arithmetic logic unit, Integrated Circuits
D. Control Unit, Monitor
Right Answer: Arithmetic logic unit, Control unit
Total 2 Votes:
0
2
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What feature adjusts the top and bottom margins so that the text is centered vertically on the printed page?
A. Vertical justifying
B. Vertical adjusting
C. Dual centering
D. Horizontal centering
Right Answer: Vertical justifying
Total 1 Votes:
0
1
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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 4 Votes:
0
4
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In world today, most of the computers are?
A. Digital
B. Hybrid
C. Analog
D. Complex
Right Answer: Digital
Total 1 Votes:
0
1
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