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. 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
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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
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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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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
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3
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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
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The common name for the crime of stealing passwords is?
A. Jacking.
B. Identity theft.
C. Spoofing.
D. Hacking.
Right Answer: Spoofing.
Total 4 Votes:
1
3
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____________computer is small general purpose micro computer, but larger than portable computer?
A. Hybrid
B. Digital
C. Desktop
D. Laptop
Right Answer: Desktop
Total 1 Votes:
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1
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Which of the following is the most powerful computers?
A. Mainframe Computer
B. Mini Computers
C. Micro Computers
D. Super Computers
Right Answer: Super Computers
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:
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1
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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
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3
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In_______________mode, the communication channel is used in both directions at the same time?
A. Full-duplex
B. Simplex
C. Half-duplex
D. None of the above
Right Answer: Full-duplex
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2
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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
Total 3 Votes:
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3
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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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Examples of output devices are?
A. Screen
B. Printer
C. Speaker
D. All of these
Right Answer: All of these
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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:
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1
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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
Total 3 Votes:
1
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When entering text within a document, the Enter key is normally pressed at the end of every?
A. Line
B. Sentence
C. Paragraph
D. Word
E. None of these
Right Answer: Paragraph
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3
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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.
Total 3 Votes:
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All of the following are examples of storage devices EXCEPT?
A. hard disk drives
B. printers
C. floppy disk drives
D. CD drives
Right Answer: printers
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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
Total 1 Votes:
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1
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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
Total 0 Votes:
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0
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Which of the following is a network topology?
A. LAN
B. WAN
C. MAN
D. BUS
Right Answer: BUS
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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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Which of the following is not anti- viruses software?
A. Avira
B. Kaspersky
C. Oracle
D. McAfee
Right Answer: Oracle
Total 4 Votes:
1
3
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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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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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ASCII stands for?
A. American Stable Code for International Interchange
B. American Standard Case for Institutional Interchange
C. American Standard Code for Information Interchange
D. American Standard Code for Interchange Information
Right Answer: American Standard Code for Information Interchange
Total 4 Votes:
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4
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Which of the following is not a binary number?
A. 001
B. 101
C. 202
D. 110
Right Answer: 202
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2
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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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The term ‘Computer’ is derived from?
A. Latin
B. German
C. French
D. Arabic
Right Answer: Latin
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6
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The ability to recover and read deleted or damaged files from a criminal’s computer is an example of a law enforcement speciality called?
A. robotics
B. simulation
C. computer forensics
D. animation
Right Answer: computer forensics
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3
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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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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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3
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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:
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2
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The computer that process both analog and digital is called?
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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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
Total 3 Votes:
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3
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Who is the father of Internet ?
A. Chares Babbage
B. Vint Cerf
C. Denis Riche
D. Martin Cooper
Right Answer: Vint Cerf
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6
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Which technology is used in compact disks?
A. Mechanical
B. Electrical
C. Electro Magnetic
D. Laser
Right Answer: Laser
Total 4 Votes:
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4
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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)____________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:
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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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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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Which of the following is first generation of computer?
A. EDSAC
B. IBM-1401
C. CDC-1604
D. ICL-2900
Right Answer: EDSAC
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1
2
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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
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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
Total 2 Votes:
1
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:
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2
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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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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 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
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3
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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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2
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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:
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2
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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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0
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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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4
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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:
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2
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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
Total 2 Votes:
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2
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Which of the following statements is true about Minicomputer and Microcomputer?
A. Minicomputer works faster than Microcomputer
B. Microcomputer works faster than Minicomputer
C. Speed of both the computers is the same
D. The speeds of both these computers cannot be compared with the speed of advanced
Right Answer: Minicomputer works faster than Microcomputer
Total 5 Votes:
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5
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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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“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:
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3
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A ____________is a microprocessor -based computing device?
A. personal computer
B. mainframe
C. workstation
D. server
Right Answer: personal computer
Total 2 Votes:
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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 2 Votes:
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2
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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:
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3
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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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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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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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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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____________translates and executes program at run time line by line?
A. Compiler
B. Interpreter
C. Linker
D. Loader
Right Answer: Interpreter
Total 0 Votes:
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0
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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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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
Total 0 Votes:
0
0
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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
Total 1 Votes:
0
1
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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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_______________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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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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Serial access memories are useful in applications where?
A. Data consists of numbers
B. Short access time is required
C. Each stored word is processed differently
D. Data naturally needs to flow in and out in serial form
Right Answer: Data naturally needs to flow in and out in serial form
Total 0 Votes:
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0
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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
Total 1 Votes:
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1
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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
Total 3 Votes:
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3
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Malicious software is known as?
A. Badware.
B. Malware.
C. Maliciousware.
D. Illegalware
Right Answer: Malware.
Total 2 Votes:
0
2
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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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__________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
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0
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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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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:
0
2
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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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The amount of vertical space between lines of text in a document is called?
A. double-space
B. line spacing
C. single space
D. vertical spacing
Right Answer: line spacing
Total 2 Votes:
0
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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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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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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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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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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The CPU and memory are located on the?
A. expansion board
B. motherboard
C. storage device
D. output device
Right Answer: motherboard
Total 5 Votes:
1
4
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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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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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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:
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 3 Votes:
1
2
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Who invented Slide Rules?
A. John Napier
B. William Oughtred
C. Gottfried Leibnitz
D. Blaise Pascal
Right Answer: William Oughtred
Total 3 Votes:
0
3
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A device that connects to a network without the use of cables is said to be?
A. Distributed
B. free
C. centralized
D. none of these
Right Answer: none of these
Total 2 Votes:
0
2
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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:
0
2
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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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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
Total 2 Votes:
0
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:
0
1
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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
Total 2 Votes:
0
2
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