Practice Program Status Word (26.10) - Lecture – 34 - Computer Organisation and Architecture

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6 sample questions

Question 1.
What does PSW stand for?
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Think about the components indicating program status.
Question 2.
What is the primary function of the PSW?
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Focus on context switching capabilities.
3Question 3.
What does PSW stand for?
- Program State Word
- Program Status Word
- Processor Status Word
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Only one option uses the word 'Status'.
4Question 4.
The PSW contains flags for which of the following?
- Arithmetic errors
- System performance
- Last instruction results
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Think of the condition flags relevant to calculations.
Question 5.
Evaluate how the absence of a PSW would impact interrupts in a multitasking environment.
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Consider the implications of losing track of active processes.
Question 6.
Design a system for managing multiple I/O tasks using interrupts efficiently. Describe how PSW would fit into your design.
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Think about prioritizing tasks and how to keep track of each state.

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