Practice Viva Voce Questions (7) - Parallel I/O Interfacing with 8085 (8255 Programmable Peripheral Interface)
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VIVA VOCE QUESTIONS

Practice - VIVA VOCE QUESTIONS

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Practice Questions

Test your understanding with targeted questions

Question 1 Easy

What does the 8255 PPI interface with?

💡 Hint: Think about devices like keyboards and printers.

Question 2 Easy

What is the role of the Chip Select (CS) signal?

💡 Hint: CS must be low for the 8255 to respond.

4 more questions available

Interactive Quizzes

Quick quizzes to reinforce your learning

Question 1

What is the main function of the 8255 Programmable Peripheral Interface?

To perform arithmetic operations
To manage input/output operations
To store data temporarily

💡 Hint: Think about its role in communication.

Question 2

True or False: The Control Word is only relevant for Mode 1 operations.

True
False

💡 Hint: Consider its relevance in various configurations.

1 more question available

Challenge Problems

Push your limits with advanced challenges

Challenge 1 Hard

Design a circuit where Port A controls 8 LEDs, and Port B reads 4 switches, and explain the control word needed.

💡 Hint: Break down the requirements to define input/output needs.

Challenge 2 Hard

Explain how to read input switches using Port B and update LEDs on Port C in a real-time manner.

💡 Hint: Consider real-time programming structures for the implementation.

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