Practice Program Status Word (27.1.4) - Interrupts and Processor Management

Practice: Program Status Word

Lesson 27.1.4Interrupts and Processor Management

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9 questions

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6 sample questions

Question 1.
What does the Program Status Word represent?
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Think about what information is crucial for the CPU's operation.
Question 2.
Define what an interrupt is.
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Consider how devices communicate with the processor.
3Question 3.
What is the purpose of the Program Status Word?
- To store user data
- To hold processor state information
- To manage memory allocation
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Think about how a CPU keeps track of its tasks.
4Question 4.
T/F: An interrupt service routine can execute while another ISR is still processing.
- True
- False
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Consider how processing is sequenced.
Question 5.
Create a flowchart illustrating the steps taken by a CPU when an interrupt occurs from the moment an interrupt is received until the normal execution resumes.
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Visualize each key action as a step in a sequence.
Question 6.
Imagine you are designing a system that must handle a mixture of low and high priority interrupts. Propose a method that maintains efficiency without losing critical data.
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Think about existing systems that balance workloads, like traffic management systems.

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