Practice - Modes of Operation (8255)
Practice Questions
Test your understanding with targeted questions
What is Mode 0 used for?
💡 Hint: Think about applications involving direct control with no coordination.
What does handshaking mean?
💡 Hint: Consider how communication happens in a dialogue.
4 more questions available
Interactive Quizzes
Quick quizzes to reinforce your learning
Which mode provides handshaking signals for data transfer?
💡 Hint: Think about which mode focuses on synchronization.
True or False: The 8255 PPI allows input and output operations only through Mode 0.
💡 Hint: Think about the available modes we've discussed.
1 more question available
Challenge Problems
Push your limits with advanced challenges
You are tasked with interfacing a printer using Mode 1 on the 8255. Describe the necessary control signals and their roles in the operation.
💡 Hint: Think about how printers manage data transfer based on their capabilities.
Using the 8255 in a new project, you decide to employ Mode 2 for two microprocessors to communicate. What considerations must be taken into account regarding signal management?
💡 Hint: Examine how bidirectional data flow can complicate the communication between two processors.
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Reference links
Supplementary resources to enhance your learning experience.