Practice - Part B: External Interrupt Handling
Practice Questions
Test your understanding with targeted questions
What does an ISR stand for?
💡 Hint: Think about the role of 'service' in programming.
Which pin is used for External Interrupt 0 on the 8051?
💡 Hint: Recall the hardware setup discussed.
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Interactive Quizzes
Quick quizzes to reinforce your learning
What is the main purpose of an external interrupt in a microcontroller?
💡 Hint: Think about the events that trigger interrupts.
True or False: The 8051 allows only one external interrupt.
💡 Hint: Consider how many interrupt sources are defined.
1 more question available
Challenge Problems
Push your limits with advanced challenges
Design an embedded system using the 8051 that counts how many times a button was pressed and displays that on an LCD. Include multiple button functionality for incrementing and decrementing the count.
💡 Hint: Think about how to implement effective switch debouncing.
Explain how you would address issues arising from rapid successive button presses triggering multiple interrupts in your application.
💡 Hint: Consider how mechanical switches behave.
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Reference links
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