Practice - System Setup and 8255 Initialization
Practice Questions
Test your understanding with targeted questions
What do you press after powering the trainer kit?
💡 Hint: What prepares the system for operation?
Identify the I/O address for Port C.
💡 Hint: What is the sequence of addresses from Port A?
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Interactive Quizzes
Quick quizzes to reinforce your learning
What is the purpose of the RESET button on the 8085 trainer kit?
💡 Hint: Why would we need to clear previous states?
Which address corresponds to the Control Word Register in an 8255 setup?
💡 Hint: Remember the sequence of I/O addresses.
1 more question available
Challenge Problems
Push your limits with advanced challenges
You need to configure Port A as input and Port B as output, but your Control Word calculation shows incorrect results. What steps would you take to troubleshoot?
💡 Hint: Focus on how each Port direction influences the Control Word bits.
If you accidentally write a Control Word that sets all ports to input mode, what consequences would arise in your program that attempts to send data to Port A?
💡 Hint: Think about how input vs. output affects data flow.
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Reference links
Supplementary resources to enhance your learning experience.