Practice 8255 Operating Modes - 1.3.1 | EXPERIMENT NO. 3 TITLE: Parallel I/O Interfacing with 8085 (8255 Programmable Peripheral Interface) | Microcontroller Lab
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Practice Questions

Test your understanding with targeted questions related to the topic.

Question 1

Easy

What does the Bit Set/Reset Mode do?

💡 Hint: Consider what bits you can manipulate.

Question 2

Easy

Name the three sub-modes of I/O Mode.

💡 Hint: Think about basic I/O versus more complex operations.

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 primary function of the Bit Set/Reset Mode?

  • Control all bits simultaneously
  • Control individual bits of Port C
  • Configure ports A and B

💡 Hint: Think about selectively controlling outputs.

Question 2

Which mode allows Port A to send and receive simultaneously?

  • Mode 0
  • Mode 1
  • Mode 2

💡 Hint: Remember the difference between sending and receiving.

Solve and get performance evaluation

Challenge Problems

Push your limits with challenges.

Question 1

Create a scenario where you would utilize all three sub-modes of I/O Mode in a single project. Describe how each mode would function in this scenario.

💡 Hint: Think about integrating different control approaches.

Question 2

What could be the consequences of not using handshaking in Mode 1 when data is transmitted?

💡 Hint: Consider what might happen in communication without confirmations.

Challenge and get performance evaluation