Practice - Basic I/O Operations
Practice Questions
Test your understanding with targeted questions
What are the four I/O ports of the 8051 microcontroller?
💡 Hint: Think about the basic structure of the microcontroller.
What is the purpose of a pull-up resistor?
💡 Hint: Consider how floating inputs can behave.
4 more questions available
Interactive Quizzes
Quick quizzes to reinforce your learning
What is the number of I/O ports available on the 8051 microcontroller?
💡 Hint: Remember, we discussed all four ports in class.
True or False: Port 0 requires external pull-up resistors when used as output.
💡 Hint: Consider how different ports are configured.
Get performance evaluation
Challenge Problems
Push your limits with advanced challenges
Write a C function to check the status of a switch connected to P1.1 and toggle an LED on P1.0 accordingly.
💡 Hint: Think about how logic levels change when the switch is pressed.
Explain how one would implement a simple software debouncing for the switch before reading its input.
💡 Hint: How would you ensure that the signal has settled?
Get performance evaluation
Reference links
Supplementary resources to enhance your learning experience.