Changing the value of a code segment register might A. cause the computer to use

Question

Changing the value of a code segment register might A. cause the computer to use too much memory. B. cause the computer to give erroneous data. C. cause the computer to hang. D. All of the above. E. None of the above. Changing the value of a data segment register might A. cause the computer to use too much memory. B. cause the computer to make calculation errors. C. cause the computer to hang. D. All of the above. E. None of the above. Registers are located where they are because A. of CPU efficiency. B. of a desire to lower manufacturing costs. C. modern technology cannot devise a better location. D. All of the above. E. None of the above. Justification: Explain why an emulator application, such as DOSBox, was required for laboratory exercises.

Explanation / Answer

[4] CS register cannot be changed directly.The CS register is automatically updated during far jump, far call and far return instructions.

[D]

[5] DS register can be changed directly using POP and LDS instructions. POP place a value in the code-segment register CS.

[B]

[6] [A] efficiency of CPU.

Related Questions

Navigate

• Browse (All)
• Browse C
• Subjects

---

---

Integrity-first tutoring: explanations and feedback only — we do not complete graded work. Learn more.