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3 cards from this section. Quick, good the night before a test.
What is an interrupt?
Think about hardware signals.
What does a flag bit do?
Consider its role in priority tasks.
What is the function of an interrupt?
Think about signals from devices.
True or False: A flag bit can be used to disable all interrupts.
Consider the control over interrupt handling.
In a system with three devices generating interrupts—A (high priority), B (medium priority), and C (low priority)—discuss how the CPU should handle incoming interrupts based on the priorities you've assigned. Provide a flowchart to illustrate your process.
Think about the sequence of responses.
Analyze how using a dedicated interrupt line could improve the performance of a multitasking operating system. Discuss the potential downsides of this method.
Consider the balance between speed and resource limits.
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