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Midterm Review and Discussion

Midterm Review and Discussion. 1) (15 points) Explain the execution environment of the 64-bit mode execution environment on Intel 64 processors. From the submissions: 1 st pages from Morris work Open exam submission for Text Also for text Zou.

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Midterm Review and Discussion

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  1. Midterm Review and Discussion

  2. 1) (15 points) Explain the execution environment of the 64-bit mode execution environment on Intel 64 processors. • From the submissions: • 1st pages from Morris work • Open exam submission for • Text • Also for text Zou

  3. 2) (15 points) Explain the addressing space on Intel 64 processors. • From submissions: • See Peng Bo for good answer • And Shi Lingfeng for anther excellent answer • And Jianfei Wang

  4. 3) (15 points) What is the memory management model used in the Intel 64? • From answers: • See Song, Zou, Morris, Wang to start discussion.

  5. 4) (15 points) Describe the programmer’s model of the Intel 64. • From answers: • Morris has a very complete answer • Also see Reser for another view.

  6. 5) (15 points) Explain Segment Registers on the Intel 64. • What are segments? What are segment registers good for? What improvements result from this implementation? What is the base concept? • Answers: See Morris, Reser (compact presentation), Song has a nice understandable view.

  7. 6) (15 points) Explain the addressing modes in the Intel 64. • Is there one mode? Does the mode depend on the operating mode/environment? • Answers: • Reference Wang, Morris, Zou, Shi,

  8. 7) (5 points) What is the maximum size for a stack in the Intel 64? • This was a very simple answer that has little room for much expansion. • Morris is one that has some expansion of the answer.

  9. 8) (5 points) What type conversion instructions are available? • Type conversion? How does it help execution? • Answers: • See Morris, Shi, Wang, Wu

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