Practice - C Program for External Interrupt
Practice Questions
Test your understanding with targeted questions
What pin is used for External Interrupt 0 in the 8051?
💡 Hint: Refer to the pin assignments of the 8051.
What does ISR stand for?
💡 Hint: Think about what happens when an interrupt occurs.
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Interactive Quizzes
Quick quizzes to reinforce your learning
What is the function of an ISR in the context of interrupts?
💡 Hint: Remember what happens when an external event occurs.
True or False: The 8051 microcontroller can respond to multiple external interrupt sources simultaneously.
💡 Hint: Think about how the CPU processes tasks.
1 more question available
Challenge Problems
Push your limits with advanced challenges
Write a C program that uses both external interrupts and timer interrupts on the 8051 to toggle an LED based on specific time intervals and button presses.
💡 Hint: Consider how these two interrupts can work concurrently.
Explain possible issues when handling external interrupts and suggest solutions for debouncing.
💡 Hint: Think about how mechanical buttons can produce noise signals when pressed.
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Reference links
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