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Practice Questions
Test your understanding with targeted questions related to the topic.
Question 1
Easy
What is the control word format for configuring Port A as output?
💡 Hint: Focus on the direction setting of Port A in the control word.
Question 2
Easy
What is the I/O address of Port B when the base address is 80H?
💡 Hint: Add 1 to the base address for Port B.
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
In which mode can the 8255 Port A be used for Bidirectional I/O?
- Mode 0
- Mode 1
- Mode 2
💡 Hint: Recall the mode definitions for Port A.
Question 2
True or False: The CS pin needs to be high for the 8255 to communicate.
- True
- False
💡 Hint: Consider the Chip Select signal functionality.
Solve 1 more question and get performance evaluation
Challenge Problems
Push your limits with challenges.
Question 1
You need to read data from switches, process it, and display it on LEDs. Describe how you would set up the 8255 and write the control word.
💡 Hint: Think about the configuration of input vs output and write the control word.
Question 2
Explain a scenario where improperly configured control words could lead to system failure.
💡 Hint: Consider functional applications and necessary configurations for proper operation.
Challenge and get performance evaluation