Practice - I/O Instructions
Practice Questions
Test your understanding with targeted questions
What does the IN instruction do?
💡 Hint: Think about where the data is coming from.
What is the purpose of the OUT instruction?
💡 Hint: Consider where the data goes.
4 more questions available
Interactive Quizzes
Quick quizzes to reinforce your learning
What instruction is used to read data from an I/O port?
💡 Hint: Remember the flow of data.
True or False: The 8085 supports 256 unique I/O port addresses.
💡 Hint: Recollect the addressing range.
1 more question available
Challenge Problems
Push your limits with advanced challenges
Design a simple input/output routine that reads a byte from one I/O port and writes it to another. Describe the steps and the expected outcome.
💡 Hint: Think about the roles of each instruction.
Analyzing an application that uses both memory-mapped and I/O-mapped I/O, what are the trade-offs in terms of portability and complexity?
💡 Hint: Consider how each method affects programming and addressing structure.
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Reference links
Supplementary resources to enhance your learning experience.