Practice - Interrupt Service Routines (ISRs): The System's First Responders
Practice Questions
Test your understanding with targeted questions
What is an ISR?
💡 Hint: Think about the purpose of an ISR.
Name one principle that an ISR should follow.
💡 Hint: Consider what occurs during an ISR execution.
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Interactive Quizzes
Quick quizzes to reinforce your learning
What does ISR stand for?
💡 Hint: Remember what ISRs are meant to do.
True or False: ISRs can include blocking calls.
💡 Hint: Think about the impact of delays in an ISR.
2 more questions available
Challenge Problems
Push your limits with advanced challenges
Design a simple ISR for a button press that should debounce the button and not allow any other interrupts during its execution. Explain your approach.
💡 Hint: Consider how long you would debounce and control interrupts.
Explain how the choice between blocking and non-blocking calls in an ISR can affect overall system performance.
💡 Hint: Think about the impact of delays in the context of other tasks waiting to run.
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