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Knowledge
Practice Questions
Test your understanding with targeted questions related to the topic.
Question 1
Easy
How many I/O ports does the 8051 have?
💡 Hint: Think about the naming convention of the ports.
Question 2
Easy
What does setting P1.0 to 0 do for an LED?
💡 Hint: Consider the wiring of the LED.
Practice 4 more questions and get performance evaluation
Interactive Quizzes
Engage in quick quizzes to reinforce what you've learned and check your comprehension.
Question 1
What is the purpose of a pull-up resistor in a microcontroller circuit?
- To ensure the pin is HIGH when not active
- To increase the voltage of the pin
- To decrease the current through the pin
💡 Hint: Consider what happens to a pin when a switch is opened.
Question 2
True or False: Setting P1.0 to LOW turns an LED on in a common cathode configuration.
- True
- False
💡 Hint: Reflect on the wiring and configuration of the LED.
Solve 2 more questions and get performance evaluation
Challenge Problems
Push your limits with challenges.
Question 1
Design a system that turns on an LED when a switch is pressed and turns it off when released. Describe the proper use of ports and pull-up resistors.
💡 Hint: Think about how you handle a switch press in your code.
Question 2
Write a C program using bitwise operations to track the state of three LEDs connected to P0. All LEDs should respond when only one button on P2 is pressed.
💡 Hint: Consider how you can shift states based on a single input.
Challenge and get performance evaluation