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Practice Questions
Test your understanding with targeted questions related to the topic.
Question 1
Easy
What is parallel I/O?
💡 Hint: Look for the term that contrasts with serial I/O.
Question 2
Easy
What does the 8255 stand for?
💡 Hint: Remember '8255' as a specific model number.
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 purpose of the Intel 8255?
- Input data only
- Output data only
- Interface with parallel I/O devices
- Connect serial devices
💡 Hint: Think about devices that require multiple connections.
Question 2
True or False: In I/O Mode, Port A can only be configured as an input.
- True
- False
💡 Hint: Review the control word configurations.
Solve 1 more question and get performance evaluation
Challenge Problems
Push your limits with challenges.
Question 1
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.
Challenge and get performance evaluation