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  • Question
  • Which of the following operating systems is produced by IBM?


  • Options
  • A. Windows
  • B. UNIX
  • C. OS-2
  • D. DOS

  • Correct Answer
  • OS-2 

    Explanation

    OS-2 operating systems is produced by IBM. It also created it's own version of DOS called PC-DOS.

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    Computer problems


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    • 1. Which invention allowed computers to be smaller?

    • Options
    • A. Integrated Circuits
    • B. RAM
    • C. Vacuum Tubes
    • D. CPU
    • Discuss
    • 2. RAM is used as a short memory because it is

    • Options
    • A. expensive
    • B. volatile
    • C. has small capacity
    • D. programmable
    • Discuss
    • 3. A floppy disk contains

    • Options
    • A. Sectors only
    • B. Circular tracks only
    • C. Both A & B
    • D. None of the above
    • Discuss
    • 4. Each model of a computer has a unique

    • Options
    • A. High level language
    • B. Assembly language
    • C. Both A & B
    • D. Machine language
    • Discuss
    • 5. Where does a computer add and compare data?

    • Options
    • A. CPU chip
    • B. Hard disk drive
    • C. Memeory chip
    • D. Disc drive
    • Discuss
    • 6. Font size is measured in

    • Options
    • A. pixels
    • B. points
    • C. didos
    • D. percents
    • Discuss
    • 7. Operating system is the most common type of

    • Options
    • A. Application software
    • B. Word processing
    • C. System software
    • D. Communication software
    • Discuss
    • 8. Pressing F8 key for three times selects

    • Options
    • A. a sentence
    • B. a word
    • C. a document
    • D. a paragraph
    • Discuss
    • 9. Analog computer works on the supply of

    • Options
    • A. Magnetic strength
    • B. Continuous electrical pulses
    • C. Discontinuous electrical pulses
    • D. None of the above
    • Discuss
    • 10. What is the difference between Save and Save As?
    • Discuss


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