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Computer Fundamentals :: Computer Fundamental Miscellaneous

  1. Which of the following file organizations is most efficient for a file with a high degree of file activity?

  2. A.

     sequential

    B.

     ISAM

    C.

     VSAM

    D.

     B-Tree index

    E.

     All of the above


  3. What is the name of the reading device which mades use of photosensors and laser technologies to interpret printed, typed or even hand-written data directly from the source documents?

  4. A.

     MICR

    B.

     OCR

    C.

     Mark-sensing device

    D.

     ATM

    E.

     None of the above


  5. A(n) ____ device is any device that provides information which is sent to the CPU.

  6. A.

     input

    B.

     output

    C.

     CPU

    D.

     memory

    E.

     storage


  7. The range of frequencies available for data transmission is known as

  8. A.

     Baud

    B.

     Bandwidth

    C.

     Byte

    D.

     Bits

    E.

     None of the above


  9. Full adder has

  10. A.

     4 inputs

    B.

     8 inputs

    C.

     10 inputs

    D.

     3 inputs

    E.

     None of the above


  11. Which major development led to the production of microcomputers?

  12. A.

     Magnetic disks

    B.

     Floppy disks

    C.

     Logic gates

    D.

     Integrated circuits

    E.

     None of the above


  13. The first computer made available for commercial use was

  14. A.

     Mark-I

    B.

     ENIAC

    C.

     EDSAC

    D.

     UNIVAC

    E.

     None of the above


  15. In which mode, each user has a local input/output device.

  16. A.

     Interactive

    B.

     Time sharing mode

    C.

     Batch processing mode

    D.

     All of the above

    E.

     None of the above


  17. Sometime data are gathered over a period of time and collected into a group before entering them into a computer for processing. What type of processing is it called?

  18. A.

     Interactive processing

    B.

     Sequential processing

    C.

     Batch processing

    D.

     Group processing

    E.

     None of the above


  19. Which of the following is considered a direct-entry input device?

  20. A.

     optical scanner

    B.

     mouse

    C.

     light pen

    D.

     digitizer

    E.

     All of the above