Practice - THEORY / BACKGROUND
Practice Questions
Test your understanding with targeted questions
What is parallel I/O?
💡 Hint: Look for the term that contrasts with serial I/O.
What does the 8255 stand for?
💡 Hint: Remember '8255' as a specific model number.
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Interactive Quizzes
Quick quizzes to reinforce your learning
What is the purpose of the Intel 8255?
💡 Hint: Think about devices that require multiple connections.
True or False: In I/O Mode, Port A can only be configured as an input.
💡 Hint: Review the control word configurations.
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Challenge Problems
Push your limits with advanced challenges
You are tasked with configuring the 8255 for a setup where Port A is for LEDs (output), Port B for switches (input), and Port C Upper for handshaking signals. Define the control word and describe how you would connect everything.
💡 Hint: Analyze the requirements for each port carefully and recall the control word structure.
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Reference links
Supplementary resources to enhance your learning experience.