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Practice Questions
Test your understanding with targeted questions related to the topic.
Question 1
Easy
What is the purpose of the 8255?
💡 Hint: Think about device communication.
Question 2
Easy
What do the D0-D7 lines of the 8255 connect to?
💡 Hint: Consider the role of data lines in communication.
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 main function of the 8255?
- To perform arithmetic operations
- To interface with peripherals
- To run programs
💡 Hint: Think about the roles of different microcontroller devices.
Question 2
True or False: The Control Word is optional to send before operations.
- True
- False
💡 Hint: Reflect on the setup process we discussed.
Solve 2 more questions and get performance evaluation
Challenge Problems
Push your limits with challenges.
Question 1
You have an 8255 with a base address of 90H. Determine the addresses for Port A, B, C, and the Control Word. Explain how you would set up the CS signal.
💡 Hint: Consider how addresses increment and how to decode them.
Question 2
Design a small program to configure the 8255 for Mode 1 and handle handshaking for a device. What would be critical considerations?
💡 Hint: Think about how signals coordinate in a real-time application.
Challenge and get performance evaluation