logo

CuriousTab

CuriousTab

Discussion


Home Computer Science Computer Hardware Comments

  • Question
  • Modems use _____ transmission.


  • Options
  • A. Synchronous
  • B. Asynchronous
  • C. Timed interval
  • D. PPP
  • E. None of the above

  • Correct Answer
  • Asynchronous 


  • Computer Hardware problems


    Search Results


    • 1. In ROM BIOS, the acronym BIOS stands for:

    • Options
    • A. Basic Intuitive Output Set
    • B. Basic Input Organizational System
    • C. Basic Input Output System
    • D. Basic Industry Operating System
    • E. None of the above
    • Discuss
    • 2. Whenever you have a hardware resource conflict, it will more likely be an IRQ conflict rather than an i/o conflict because:

    • Options
    • A. there are a lot more I/O addresses than IRQs.
    • B. the BIOS sometimes has more of a problem controlling IRQs
    • C. I/O addresses cannot conflict
    • D. software tends to correct I/O conflicts
    • E. software tends to mess up IRQs
    • Discuss
    • 3. What is the best ground for a conductive work bench?

    • Options
    • A. AC outlet
    • B. Ground to bench
    • C. To the motherboard
    • D. To the PC's Chassis
    • E. None of the above
    • Discuss
    • 4. A customer has just installed a new cd-rw. the system was working fine before the installation, but now the cdrom does not work, what should you suggest that the customer do?

    • Options
    • A. flash or upgrade the BIOS
    • B. check the CONFIG.SYS
    • C. add cdrw in the device manager
    • D. check the jumper setting on the cd-rw
    • E. None of the above
    • Discuss
    • 5. Which of the following is a type of preventative maintenance used on a hard drive?

    • Options
    • A. Disk check diagnostics
    • B. Head alignment diagnostics
    • C. Initializing
    • D. Uninstalling programs
    • E. None of the above
    • Discuss
    • 6. How can you totally protect a PC from damage during an electrical storm?

    • Options
    • A. Disconnect the AC power cable
    • B. Disconnect all external cables and power cords
    • C. Use a surge protector
    • D. Turn off the AC power
    • E. None of the above
    • Discuss
    • 7. What command is used to reset a MODEM when using the

    • Options
    • A. ATR
    • B. ATZ
    • C. DTR
    • D. DCE
    • E. None of the above
    • Discuss
    • 8. To prevent the computer from overheating you should?

    • Options
    • A. Remove the slot cover from the back
    • B. Keep the computer cover closed
    • C. Remove the CPU fan
    • D. All of the above
    • E. None of the above
    • Discuss
    • 9. During the boot process, a system first counts memory from where?

    • Options
    • A. Expansion memory board
    • B. Video adapter
    • C. System board
    • D. Cache
    • E. None of the above
    • Discuss
    • 10. "Parity" errors usually indicate bad memory

    • Options
    • A. True
    • B. False
    • Discuss


    Comments

    There are no comments.

Enter a new Comment