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3 cards from this section. Quick, good the night before a test.
What does the interrupt enable flag do?
Think about when interrupts can be processed.
Give an example of a device that may generate an interrupt.
Consider common input devices.
What is the primary function of an Interrupt Service Routine (ISR)?
Think about the role ISRs play in interrupt handling.
True or False: Lower priority interrupts can always interrupt higher priority interrupts.
Consider how priorities are assigned in interrupt handling.
Given a scenario where multiple interrupts occur, construct a logical flowchart detailing how the CPU should prioritize each interrupt based on pre-assigned priority levels. Include considerations for context switching.
Think about how interrupts must be sequenced and the importance of context.
Analyze how neglecting to manage interrupt flags could impact overall system performance in a multi-device setup. Propose a solution to mitigate potential issues.
Consider how interruptions can lead to lost events if not managed correctly.
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