Practice Importance Of Psw In Jump Instructions (1.3.1) - Flags and Conditional Instructions

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6 sample questions

Question 1.
What is the purpose of the Program Status Word (PSW)?
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What does PSW help retain when jumping?
Question 2.
Define a jump instruction.
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Think about how loops work.
3Question 3.
What is included in the Program Status Word (PSW)?
- Only the next instruction pointer
- Error status
- next instruction pointer
- and flags
- Just the flags
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Think about what information you need to remember when jumping.
4Question 4.
True or False: The PSW is only relevant after a jump instruction.
- True
- False
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Is PSW only concerned with jumps?
Question 5.
Create a scenario where a function is called, requiring the PSW to save the state. Explain what components should be saved in the PSW.
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Consider what information is crucial for returning after an interruption.
Question 6.
Discuss the potential pitfalls of failing to save the PSW during a critical operating system call.
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What kind of problems might it create when execution resumes?

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