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A+ Essential - Quiz 3

19 Questions
A+ Essential - Quiz 3

This is the third quiz of the semester. The questions cover chapters 6, 7 & 8 of your book. As always, do not forget to indicate your first and last name. Good luck!

Questions and Answers
  • 1. 
    AGP stands for __________ and is and expansion of the _____ bus.
    • A. 

      Accelerated Graphics Port, PCI

    • B. 

      Alternative Graphics Port, PCI

    • C. 

      Accelerated Graphics Port, ISA

    • D. 

      Alternative Graphics Port, ISA

  • 2. 
    Which of these devices is likely to use DMA?
    • A. 

      USB Flash drive

    • B. 

      Floppy drive

    • C. 

      Hard drive

    • D. 

      CD-ROM drive

  • 3. 
    What are the standard system resource assignments for LPT2?
    • A. 

      I/O address 378 and IRQ7

    • B. 

      I/O address 3F8 and IRQ4

    • C. 

      I/O address 278 and IRQ5

    • D. 

      I/O address 2F8 and IRQ5

  • 4. 
    When installing  an expansion card, which if the following should you do?
    • A. 

      Make sure the computer is plugged into the AC wall outlet.

    • B. 

      Hold the card only by its slot connector.

    • C. 

      Use firm but not excessive force to snap the card into the slot.

    • D. 

      Avoid letting the metal flange touch the PC case.

  • 5. 
    How does the CPU communicate with a device?
    • A. 

      It uses the device's I/O addresses over the address bus.

    • B. 

      It uses the device's IRQ addresses over the data bus.

    • C. 

      It uses the device's COM port over the address bus.

    • D. 

      It uses the device's DMA over the data bus.

  • 6. 
    Which of the following does a device use to initiate communication with the CPU?
    • A. 

      I/O/MEM wire

    • B. 

      Bus mastering

    • C. 

      DMA

    • D. 

      IRQ

  • 7. 
    Which variation of the PCI bus was specifically designed for laptops?
    • A. 

      PCI-X

    • B. 

      PCIe

    • C. 

      Mini-PCI

    • D. 

      AGP

  • 8. 
    Which of the following statements about the expansion bus is true?
    • A. 

      The expansion bus runs at the speed of the system clock.

    • B. 

      The expansion bus crystal sets the speed for the expansion bus.

    • C. 

      The CPU communicates with RAM via the expansion bus.

    • D. 

      The frontside bus is another name for the expansion bus.

  • 9. 
    Which of the following statements best describes the hexadecimal numbering system?
    • A. 

      It is a binary numbering system that uses only two digits, a 0 and a 1.

    • B. 

      It is another name for the decimal numbering system with ten digits, 0 through 9.

    • C. 

      It is an eight-digit numbering system, using letters A through H.

    • D. 

      It is a sixteen-digit numbering system that can express all its values by using four wires.

  • 10. 
    Which of the following form factor dominates the PC industry?
    • A. 

      AT

    • B. 

      ATX

    • C. 

      BTX

    • D. 

      CTX

  • 11. 
    Which of the following form factors offers the best cooling?
    • A. 

      AT

    • B. 

      ATX

    • C. 

      BTX

    • D. 

      CTX

  • 12. 
    On Intel-based motherboard, which chip enables the CPU to interact with the RAM?
    • A. 

      Memorybridge

    • B. 

      Northbridge

    • C. 

      Southbridge

    • D. 

      Super I/O

  • 13. 
    On modern motherboards, which chip most commonly supports floppy drives and infrared ports?
    • A. 

      Memorybridge

    • B. 

      Northbridge

    • C. 

      Southbridge

    • D. 

      Super I/O

  • 14. 
    What sort of power connector does a floppy disk drive typically use?
    • A. 

      Molex

    • B. 

      Mini

    • C. 

      Sub-mini

    • D. 

      Micro

  • 15. 
    What voltages should the two hot wires on a Molex connector read?
    • A. 

      Red = 3.3 V; Yellow = 5 V

    • B. 

      Red = 5 V; Yellow = 12 V

    • C. 

      Red = 12 V; Yellow = 5 V

    • D. 

      Red = 5 V; Yellow = 3.3 V

  • 16. 
    What feature of ATX systems prevents a user from turning off a system before the operating system's been shut down?
    • A. 

      Motherboard power connector

    • B. 

      CMOS setup

    • C. 

      Sleep mode

    • D. 

      Soft power

  • 17. 
    Why is it a good idea to ensure that the slot covers on your computer case are all covered?
    • A. 

      To maintain good airflow inside your case.

    • B. 

      It helps keep dust and smoke out of your case.

    • C. 

      Both A & B are correct reasons.

    • D. 

      Trick question! Leaving a slot uncovered does not hurt anything.

  • 18. 
    A PC's power supply provides DC power in what standard configuration?
    • A. 

      Two primary voltage rails, 12 volts and 5 volts, and an auxiliary 3.3 volts connector.

    • B. 

      Three primary voltage rails, one each for 12 volts. 5 volts and 3.3 volts connectors.

    • C. 

      One primary DC voltage rail for 12 volts, 5 volts and 3.3 volts.

    • D. 

      One voltage rail with a 12-volt connector for the motherboard, a second voltage rail with a 12-volt connector for the CPU, and a third voltage rail for the 5-volt and 3.3 volt connectors.

  • 19. 
    How many pins does a SATA power connector have?
    • A. 

      6

    • B. 

      9

    • C. 

      12

    • D. 

      15