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Caching and Variable Conversion Quiz
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Caching and Variable Conversion Quiz

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@PreferableTinWhistle

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Questions and Answers

In the context of caching, which of the following is not crucial to program performance?

  • Caching virtual addresses (correct)
  • Caching virtual memory pages
  • Caching virtual address translations
  • Caching portions of physical memory

    • For which values of CONSTANT can X not be equal to Z in the provided code snippet?

  • For large negative values of CONSTANT (e.g., > -100)
  • For small negative values of CONSTANT (e.g., < -1,000,000,000) (correct)
  • For large positive values of CONSTANT (e.g., >1,000,000,000)
  • For small positive values of CONSTANT (e.g., < 100)

    • In a system with specific disk characteristics, what is the maximum number of page faults per second that can be serviced?

  • 100
  • 77 (correct)
  • 50
  • Not enough information to determine the answer

    • If a parent process forks a child process, which resources might they need to synchronize access to prevent unexpected behavior?

    <p>Malloc’ed memory</p> Signup and view all the answers

    According to Mr. Fred's statement, if one of a process’s memory addresses is bigger than a second one, then its corresponding value must appear before the second one’s value in physical memory. True or False?

    <p>False</p> Signup and view all the answers

    Which of the following is NOT a universal property of reader-writer locks?

    <p>A writer waiting for an RW lock will get preference over subsequent read requests.</p> Signup and view all the answers

    What does 'starvation' refer to in relation to threads?

    <p>A thread waiting for a lock indefinitely.</p> Signup and view all the answers

    How does x86 assembly store the return value when a function is finished?

    <p>By convention, it is always in %eax.</p> Signup and view all the answers

    What would be an effect of allocating more bits to the exponent part in IEEE floating point representation by taking them from the fraction part?

    <p>You could represent both larger and smaller numbers, but with less precision.</p> Signup and view all the answers

    What will happen when you attempt to compile, link, and run the provided code snippet?

    <p>&quot;It will sometimes print “0” and sometimes print “1”</p> Signup and view all the answers

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