CompTIA A+ Essentials 2009 Hardware Practice Exam

180 Questions | Total Attempts: 845

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CompTIA A+ Essentials 2009 Hardware Practice Exam

100 Comptia A+ Essentials 2009 Practice Questions emphasizing hardware.


Questions and Answers
  • 1. 
    Which bus is used to enhance PC functionality
    • A. 

      Address

    • B. 

      Data

    • C. 

      Expansion

    • D. 

      Video

  • 2. 
    Which bus is used to enhance PC functionality
    • A. 

      Address

    • B. 

      Data

    • C. 

      Expansion

    • D. 

      Video

  • 3. 
    Typically, the PCI bus is a(n) ____-bit bus.
    • A. 

      64

    • B. 

      32

    • C. 

      16

    • D. 

      24

  • 4. 
    Typically, the PCI bus is a(n) ____-bit bus.
    • A. 

      64

    • B. 

      32

    • C. 

      16

    • D. 

      24

  • 5. 
    COM1 and COM2 are assigned to which IRQs?
    • A. 

      1 and 2

    • B. 

      2 and 3

    • C. 

      3 and 4

    • D. 

      9 and 10

  • 6. 
    COM1 and COM2 are assigned to which IRQs?
    • A. 

      1 and 2

    • B. 

      2 and 3

    • C. 

      3 and 4

    • D. 

      9 and 10

  • 7. 
    3    I/O addresses are designated as what?
    • A. 

      Bits

    • B. 

      Binary numbers

    • C. 

      Hexadecimal numbers

    • D. 

      Exponents

  • 8. 
    3    I/O addresses are designated as what?
    • A. 

      Bits

    • B. 

      Binary numbers

    • C. 

      Hexadecimal numbers

    • D. 

      Exponents

  • 9. 
    What technology has replaced DMA?
    • A. 

      Bus mastering

    • B. 

      Memory transfers

    • C. 

      Polling

    • D. 

      Riser cards

  • 10. 
    What technology has replaced DMA?
    • A. 

      Bus mastering

    • B. 

      Memory transfers

    • C. 

      Polling

    • D. 

      Riser cards

  • 11. 
    With the PCI specification, a single adapter can provide up to how many functions?
    • A. 

      1

    • B. 

      2

    • C. 

      4

    • D. 

      8

  • 12. 
    With the PCI specification, a single adapter can provide up to how many functions?
    • A. 

      1

    • B. 

      2

    • C. 

      4

    • D. 

      8

  • 13. 
    PCIe uses ___________ communication.
    • A. 

      USB

    • B. 

      Serial

    • C. 

      Parallel

    • D. 

      Ps2

  • 14. 
    PCIe uses ___________ communication.
    • A. 

      USB

    • B. 

      Serial

    • C. 

      Parallel

    • D. 

      Ps2

  • 15. 
    PCIe is a(n) ________-line technology.
  • 16. 
    PCIe is a(n) ________-line technology.
  • 17. 
    Which is not a component of a CPU?
    • A. 

      Bus architecture

    • B. 

      Control unit

    • C. 

      Execution unit

    • D. 

      Register

  • 18. 
    Which is not a component of a CPU?
    • A. 

      Bus architecture

    • B. 

      Control unit

    • C. 

      Execution unit

    • D. 

      Register

  • 19. 
    The math co-processor was the predecessor to which CPU component?
    • A. 

      ACL

    • B. 

      Core

    • C. 

      FPU

    • D. 

      Register

  • 20. 
    The math co-processor was the predecessor to which CPU component?
    • A. 

      ACL

    • B. 

      Core

    • C. 

      FPU

    • D. 

      Register

  • 21. 
    A single-core processor has one of what component?
    • A. 

      Control unit

    • B. 

      Execution unit

    • C. 

      FPU

    • D. 

      Register

  • 22. 
    Which type of bus connects the processor to the main memory?
    • A. 

      Address bus

    • B. 

      Data bus

    • C. 

      Internal bus

    • D. 

      Generic bus

  • 23. 
    True or false? Current processors have both L1 and L2 caches.
    • A. 

      True

    • B. 

      False

  • 24. 
    A single-core processor has one of what component?
    • A. 

      Control unit

    • B. 

      Execution unit

    • C. 

      FPU

    • D. 

      Register

  • 25. 
    The data bus for current CPUs is how many bits?
    • A. 

      16

    • B. 

      32

    • C. 

      64

    • D. 

      128