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  • Question
  • How many devices does USB support?


  • Options
  • A. 127
  • B. 125
  • C. 100
  • D. 225
  • E. None of the above

  • Correct Answer
  • 127 


  • Computer Hardware problems


    Search Results


    • 1. You are testing the resistance in Ohms of a fuse on a 2 amp systems. If the fuse is good, the meter should read?

    • Options
    • A. 2.0
    • B. 5.0
    • C. 0.0
    • D. 0.2
    • E. None of the above
    • Discuss
    • 2. What resistance in ohms should be displayed when testing a speaker in a computer?

    • Options
    • A. Q Ohms
    • B. 16 Ohms
    • C. -200 Ohms
    • D. Unlimited Ohms
    • E. None of the above
    • Discuss
    • 3. Which is LEAST likely to interfere with upgrading to a newer DOS Version?

    • Options
    • A. ROM BIOS
    • B. Video controller
    • C. Compressed drives
    • D. Existing backup files
    • E. None of the above
    • Discuss
    • 4. Which provides the fastest access to large video files?

    • Options
    • A. Optical drives
    • B. IDE hard drives
    • C. SCSI hard drives
    • D. EIDE hard drives
    • E. None of the above
    • Discuss
    • 5. What component would most likely cause a "parity error"?

    • Options
    • A. bad hard disk
    • B. bad controller
    • C. bad RAM
    • D. bad software
    • E. None of the above
    • Discuss
    • 6. The standard IRQ for the floppy drive is?

    • Options
    • A. 9
    • B. 6
    • C. 10
    • D. All of the above
    • E. None of the above
    • Discuss
    • 7. How many bits in a byte?

    • Options
    • A. 16
    • B. 8
    • C. 255
    • D. 10
    • E. 2 to the 9th power
    • Discuss
    • 8. A brownout is defined as:

    • Options
    • A. a slightly elevated voltage lasting from seconds to minutes or more
    • B. a slightly decreased voltage lasting from seconds to minutes or more
    • C. complete power out lasting a few minutes
    • D. alternating power out, power on lasting a few minutes
    • E. has nothing to do with electricity
    • Discuss
    • 9. A dialog box with a bomb appears oh a Macintosh screen. What type of problem has occurred?

    • Options
    • A. A RAM problem
    • B. A software problem
    • C. A ROM problem
    • D. An ADB problem
    • E. None of the above
    • Discuss
    • 10. In inkjet technology the droplets of ink are deflected by?

    • Options
    • A. Electrically Charge Plate
    • B. Multi directional nozzle
    • C. High pressure jets
    • D. All of the above
    • E. None of the above
    • Discuss


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