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  • Question
  • With a dot matrix printer, light then dark print is most commonly caused by:


  • Options
  • A. Erratic paper advancement
  • B. Erratic ribbon advancement
  • C. Misaligned print head
  • D. Overheating print head
  • E. None of the above

  • Correct Answer
  • Erratic ribbon advancement 


  • Computer Hardware problems


    Search Results


    • 1. MSD exe does not have information on:

    • Options
    • A. cache
    • B. video
    • C. operation system
    • D. com ports
    • E. None of the above
    • Discuss
    • 2. A PC with a 486DX2 processor runs internally at 50Mhz. What speed would its external logic be running?

    • Options
    • A. l0Mhz
    • B. 25Mhz
    • C. 50Mhz
    • D. 100 Mhz
    • E. None of the above
    • Discuss
    • 3. During the normal PC boot process, which of the following is active first?

    • Options
    • A. RAM BIOS
    • B. CMOS
    • C. ROM BIOS
    • D. Hard disk information
    • E. None of the above
    • Discuss
    • 4. When seeking to upgrade for a particular motherboard what do you need to know?

    • Options
    • A. memory
    • B. hard drive
    • C. make & model
    • D. dimm
    • E. None of the above
    • Discuss
    • 5. Your modem does not respond when you try to dial out. You try another modem on another computer and get the same result. What is the most likely problem?

    • Options
    • A. defective modem
    • B. defective computer
    • C. software bug
    • D. bad phone line
    • E. virus
    • Discuss
    • 6. What command is used to hang up a MODEM when using the "AT Command set"?

    • Options
    • A. ATZ
    • B. ATD
    • C. ATR
    • D. ATH
    • E. None of the above
    • Discuss
    • 7. What is the size of a sector?

    • Options
    • A. 512 bytes
    • B. 256 bytes
    • C. 512 Kb
    • D. 1024 bytes
    • E. None of the above
    • Discuss
    • 8. To find out how much memory is available, you could type _____

    • Options
    • A. EMM
    • B. MEM
    • C. CHKDSK
    • D. MEMMAKER
    • E. None of the above
    • Discuss
    • 9. You suspect a virus has entered your computer. What will not be affected by the virus?

    • Options
    • A. CMOS
    • B. Boot sector
    • C. Floppy disks
    • D. Program files
    • E. None of the above
    • Discuss
    • 10. What would you ask to determine if the display is working?

    • Options
    • A. Is there a video cursor or action on the screen?
    • B. Did the computer beep or chime?
    • C. Is there high voltage static on the screen
    • D. Is the brightness or contrast turned up or down?
    • E. All of the above
    • Discuss


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