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  • Question
  • Which technology is used in compact disc or disks?


  • Options
  • A. Laser
  • B. Mechanical
  • C. Electrical
  • D. Electro magnetic

  • Correct Answer
  • Laser 

  • Tags: GATE, CAT, Bank Exams, AIEEE, Project Manager, Network Engineer, IT Trainer, Database Administrator, Bank PO, Bank Clerk, Analyst

    Computer problems


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    • 1. Programs stored in ROM are called

    • Options
    • A. Firmware
    • B. Software
    • C. Hardware
    • D. None of above
    • Discuss
    • 2. Digitized information can be used by computers.

    • Options
    • A. TRUE
    • B. FALSE
    • Discuss
    • 3. A CD-ROM disk _______

    • Options
    • A. cannot be erased and rewritten
    • B. has more storage capacity than a CD-R
    • C. holds less data than a floppy disk
    • D. Can be written only once
    • Discuss
    • 4. Who Invented the computer mouse?

    • Options
    • A. Gene Dolgoff
    • B. Brendan Eich
    • C. Douglas Engelbart
    • D. Federico Faggin
    • Discuss
    • 5. In Microsoft Word, ____________ are small dots, squares, dashes or graphics that are often seen before the text.

    • Options
    • A. Indentation
    • B. Bullets
    • C. Numbering
    • D. Tabs
    • Discuss
    • 6. GUI stands for

    • Options
    • A. Graphical Universal Interface
    • B. Graph Use Interface
    • C. Graphical Unique Interface
    • D. Graphical User Interface
    • Discuss
    • 7. CPU speed of a personal computer is

    • Options
    • A. 1 MIPS
    • B. 100 KIPS
    • C. 32 KIPS
    • D. 32 MIPS
    • Discuss
    • 8. Which unit holds data temporarily?

    • Options
    • A. Secondary storage unit
    • B. Output Unit
    • C. Primary Memory Unit
    • D. Input unit
    • Discuss
    • 9. Microprocessors as switching devices are for which generation computers?

    • Options
    • A. Fourth generation
    • B. Third generation
    • C. Second generation
    • D. First generation
    • Discuss
    • 10. MS-EXCEL is based on

    • Options
    • A. OS/2
    • B. UNIX
    • C. WINDOWS
    • D. DOS
    • Discuss


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