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  • Question
  • On PC power supplies, the wire attached to pin one is usually:


  • Options
  • A. blue or red
  • B. blue or white
  • C. red or black
  • D. red or white
  • E. white or orange

  • Correct Answer
  • white or orange 


  • Computer Hardware problems


    Search Results


    • 1. A keyboard locks up intermittently even when replaced with a new keyboard. What is the LEAST likely cause of the problem?

    • Options
    • A. A second bad keyboard
    • B. The keyboard controller chip
    • C. The keyboard connector
    • D. The motherboard
    • E. None of the above
    • Discuss
    • 2. RS-232 is a standard that applies to?

    • Options
    • A. Parallel port
    • B. Serial port
    • C. Game port
    • D. All of the above
    • E. None of the above
    • Discuss
    • 3. 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
    • 4. 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
    • 5. Match the device driver HIMEM.SYS to its operation.

    • Options
    • A. Supports (ANSI) terminal emulation
    • B. Manages the use of extended memory
    • C. Uses expanded memory on a 80386 processor
    • D. Supports code page switching
    • E. None of the above
    • Discuss
    • 6. Which type of cable is most likely in use with rj-45 connectors?

    • Options
    • A. 10base2
    • B. 10base5
    • C. 10baseT
    • D. 10baseFL
    • E. None of the above
    • Discuss
    • 7. What can you use to ensure power is not interrupted, resulting in corrupted data?

    • Options
    • A. UPS
    • B. Proper grounding
    • C. Surge protector
    • D. Nuclear powered thermal protective underwear
    • E. None of the above
    • Discuss
    • 8. Which is NOT typically a Field Replaceable Unit?

    • Options
    • A. System ROM
    • B. Power supply
    • C. System chassis
    • D. Video controller
    • E. None of the above
    • Discuss
    • 9. Which controller would support an external CD-ROM drive?

    • Options
    • A. ESDI
    • B. ARLL
    • C. MFM
    • D. SCSI
    • E. None of the above
    • Discuss
    • 10. Which component stores an electrical charge?

    • Options
    • A. diode
    • B. rectifier
    • C. capacitor
    • D. resistor
    • E. transistor
    • Discuss


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