A+ Essentials Chapter 3

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A Plus Essential Quizzes & Trivia

Microprocessors

In this chapter, you will learn how to

• Identify the core components of a CPU
• Describe the relationship of CPUs and RAM
• Explain the varieties of modern CPUs
• Identify specialty CPUs
• Install and upgrade CPUs


Questions and Answers
  • 1. 

    What do registers provide for the CPU?

    • A.

      Registers determine the clock speed.

    • B.

      The CPU uses registers for temporary storage of internal commands and data.

    • C.

      Registers enable the CPU to address RAM.

    • D.

      Registers enable the CPU to control the address bus.

    Correct Answer
    B. The CPU uses registers for temporary storage of internal commands and data.
    Explanation
    The CPU uses registers for temporary storage of internal commands and data.

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  • 2. 

    What function does the external data bus have in the PC?

    • A.

      The external data bus determines the clock speed for the CPU.

    • B.

      The CPU uses the external data bus to address RAM.

    • C.

      The external data bus provides a channel for the flow of data and commands between the CPU and RAM.

    • D.

      The CPU uses the external data bus to access registers.

    Correct Answer
    C. The external data bus provides a channel for the flow of data and commands between the CPU and RAM.
    Explanation
    The external data bus provides a channel for the flow of data and commands between the CPU and RAM.

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  • 3. 

    When a tech adds a new Athlon 64 X2 processor to a motherboard, which ofthe following should he or she check? (Choose the best answer.)

    • A.

      Clock speed of the CPU, clock multiplier for the CPU

    • B.

      Clock speed of the CPU, clock multiplier for the CPU, voltage settings on the motherboard

    • C.

      Clock speed of the CPU, clock multiplier for the CPU, voltage settings on the motherboard, system clock speed

    • D.

      Voltage settings on the motherboard, system clock speed

    Correct Answer
    C. Clock speed of the CPU, clock multiplier for the CPU, voltage settings on the motherboard, system clock speed
    Explanation
    Even with the CPUID built into modern processors, a good tech should
    check the motherboard settings for speed, clock multiplier, and voltage. He or she should also know the speed of the CPU.

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  • 4. 

    The Intel Core Duo has which of the following advantages over the Pentium M?

    • A.

      Level 1 cache

    • B.

      64-bit data bus

    • C.

      Quad pipelining

    • D.

      Dual processors

    Correct Answer
    D. Dual processors
    Explanation
    The Intel Core Duo has dual processors, a definite advantage over the Pentium M.

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  • 5. 

    The Intel Core Duo processor has two 32-KB Level 1 caches, whereas theAthlon 64 X2 has one 128-KB Level 1 cache. What does the cache provide forthe processor(s)?

    • A.

      It enables the CPU to continue working during pipeline stalls.

    • B.

      It enables the CPU to continue working during hard drive refreshes.

    • C.

      It enables the CPU to access RAM.

    • D.

      It enables the CPU to access the chipset memory controller.

    Correct Answer
    A. It enables the CPU to continue working during pipeline stalls.
    Explanation
    Cache enables the CPU to continue working during pipeline stalls.

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  • 6. 

    What distinguishes the Athlon Thunderbird from the original Athlon? (Selectall that apply.)

    • A.

      Athlon Thunderbird used an SEC cartridge

    • B.

      Athlon Thunderbird used a PGA package

    • C.

      Athlon Thunderbird ran on a double-pumped frontside bus

    • D.

      Athlon Thunderbird ran on a quad-pumped frontside bus

    Correct Answer(s)
    B. Athlon Thunderbird used a PGA package
    C. Athlon Thunderbird ran on a double-pumped frontside bus
    Explanation
    The Athlon Thunderbird used a PGA package and ran on a doublepumped frontside bus.

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  • 7. 

    A donor gives five Socket 939 Athlon X2 processors to the nonprofit corporationfor which Jane works as a technician. She has several systems with Socket 939motherboards and Athlon 64 CPUs installed. Her boss wants her to upgradefive systems with the new processors but to keep the upgrade costs low ifpossible by using the existing motherboards.Primary objective Upgrade the systems with faster CPUs.Optional objective Use existing motherboards.Proposed solution Remove the Athlon 64 CPUs on five systems andreplace them with the new Athlon 64 X2 CPUs. Update the motherboardsfollowing the motherboard manufacturer’s guidelines.The proposed solution:

    • A.

      Meets only the primary objective

    • B.

      Meets only the optional objective

    • C.

      Meets the primary and optional objectives

    • D.

      Meets neither objective

    Correct Answer
    C. Meets the primary and optional objectives
    Explanation
    That’s a little more like it. With a minor motherboard update, Jane can put those Athlon 64 X2 processors to work!

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  • Current Version
  • Mar 21, 2023
    Quiz Edited by
    ProProfs Editorial Team
  • Oct 23, 2008
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    Darren McMahon
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