Multiple Choice Questions - Computer System

60 Questions | Total Attempts: 73

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Multiple Choice Questions - Computer System

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Questions and Answers
  • 1. 
    Full form of CPU is
    • A. 

      Control Processing Unit

    • B. 

      Central processing Unit

    • C. 

      Central Processing Unix

    • D. 

      Central Programming Unit

  • 2. 
    Full form of ALU is
    • A. 

      Arithmetic Logic Unit

    • B. 

      Arithmetic Legal Unit

    • C. 

      Arithmetic Logic Unix

    • D. 

      Arithmetic Localc Unit

  • 3. 
    From the following which is not an input device
    • A. 

      Scanner

    • B. 

      Touch Screen

    • C. 

      Mouse

    • D. 

      Printer

  • 4. 
    From the following which is an output device?
    • A. 

      3D printer

    • B. 

      Keyboard

    • C. 

      Mouse

    • D. 

      Scanner

  • 5. 
    Full form of WWW is
    • A. 

      World Wide Web

    • B. 

      World Wide Wax

    • C. 

      World Web Wax

    • D. 

      Word Wide Web

  • 6. 
    Full form of GUI is
    • A. 

      Graphical User Idea

    • B. 

      Graphical User Interface

    • C. 

      Graphics Uses Interface

    • D. 

      Graphical Uses Idea

  • 7. 
    From the following which is not secondary memory device
    • A. 

      Tape Drive

    • B. 

      Solid state driver

    • C. 

      Touch screen

    • D. 

      Memory Card

  • 8. 
    The basic operations performed by a computer are
    • A. 

      Arithmetic operation

    • B. 

      Logical operation

    • C. 

      Storage and relative

    • D. 

      All of the above

  • 9. 
    The brain of any computer system is
    • A. 

      ALU

    • B. 

       Memory

    • C. 

      CPU

    • D. 

      Control unit

  • 10. 
    The two kinds of main memory are:
    • A. 

      Primary and secondary

    • B. 

      Random and sequential

    • C. 

      ROM and RAM

    • D. 

      All of above

  • 11. 
    CD-ROM is a
    • A. 

      Semiconductor memory

    • B. 

      Memory register

    • C. 

      Magnetic memory

    • D. 

       None of above

  • 12. 
    The ALU of a computer responds to the commands coming from
    • A. 

      Primary memory

    • B. 

      Control Unit

    • C. 

      External memory

    • D. 

      Cache memory

  • 13. 
    Which of the following storage devices can store maximum amount of data?
    • A. 

      Floppy Disk

    • B. 

       Hard Disk

    • C. 

      Compact Disk

    • D. 

      Magneto Optic Disk

  • 14. 
    Which computer was considered the first electronic computer until 1973 when court invalidated the patent?
    • A. 

      ENIAC

    • B. 

      MARK I

    • C. 

      Z3

    • D. 

      ABC

  • 15. 
    A physical connection between the microprocessor memory and other parts of the microcomputer is known as
    • A. 

      Path

    • B. 

      Address Bus

    • C. 

      Route

    • D. 

      All of the above

  • 16. 
    High density double sided floppy disks could store _____ of data
    • A. 

      1.40 MB

    • B. 

      1.44 GB

    • C. 

      1.40 GB

    • D. 

       1.44 MB

  • 17. 
    Which of the following is not an input device?
    • A. 

      OCR

    • B. 

      Optical scanners

    • C. 

      Voice recognition device

    • D. 

       COM (Computer Output to Microfilm)

  • 18. 
    When was vacuum tube invented?
    • A. 

      1900

    • B. 

      1906

    • C. 

      1910

    • D. 

      1880

  • 19. 
    Software in computer
    • A. 

      Enhances the capabilities of the hardware machine

    • B. 

      Increase the speed of central processing unit

    • C. 

      Both of above

    • D. 

      None of above

  • 20. 
    What is the responsibility of the logical unit in the CPU of a computer?
    • A. 

      To produce result

    • B. 

      To compare numbers

    • C. 

      To control flow of information

    • D. 

      To do math’s works

  • 21. 
    Abacus was the first
    • A. 

      Electronic computer

    • B. 

      Mechanical computer

    • C. 

      Electronic calculator

    • D. 

       mechanical calculator

  • 22. 
    Instructions and memory address are represented by
    • A. 

      Character code

    • B. 

       Binary codes

    • C. 

      Binary word

    • D. 

      Parity bit

  • 23. 
    Properly arranged data is called
    • A. 

      Field

    • B. 

      Words

    • C. 

      Information

    • D. 

      File

  • 24. 
    A computer consists of
    • A. 

      A central processing unit

    • B. 

      A memory

    • C. 

      Input and output unit

    • D. 

       All of the above

  • 25. 
    John Napier invented Logarithm in
    • A. 

       1614

    • B. 

      1617

    • C. 

      1620

    • D. 

      None of above

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