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Practice Questions
Test your understanding with targeted questions related to the topic.
Question 1
Easy
What does the Control Word do in the 8255?
💡 Hint: Think about setup instructions for devices.
Question 2
Easy
What is Mode 0 in the context of the 8255?
💡 Hint: Consider how devices communicate without extra signals.
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 primary purpose of the Control Word in the 8255?
- To specify port direction and modes
- To output data
- To reset the device
💡 Hint: Think about what setup instructions are necessary for devices.
Question 2
True or False: Port A can only be configured as an input.
- True
- False
💡 Hint: Consider the flexibility of the ports.
Solve 1 more question and get performance evaluation
Challenge Problems
Push your limits with challenges.
Question 1
Design a program to configure the 8255 and flash LEDs in sequences using different patterns rather than a static output.
💡 Hint: Think about how to loop through different data values.
Question 2
Using the 8255, explain how you would implement error checking after sending data to ensure the correct data is output to Port A.
💡 Hint: Consider how to validate the output by reading it back.
Challenge and get performance evaluation