Practice - Basic Requirements for I/O Operations
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Practice Questions
Test your understanding with targeted questions
What is meant by programmed I/O?
💡 Hint: Think about how devices and CPU communicate.
Define memory-mapped I/O?
💡 Hint: Consider the relationship between memory and device addresses.
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Interactive Quizzes
Quick quizzes to reinforce your learning
What does I/O stand for?
💡 Hint: Think about what the CPU works with.
Is polling an efficient way to check device status?
💡 Hint: Consider how the CPU manages its resources.
2 more questions available
Challenge Problems
Push your limits with advanced challenges
Explain a system where using memory-mapped I/O could be more advantageous than isolated I/O. What factors would influence this choice?
💡 Hint: Consider complexity versus simplicity.
If a CPU needs to interface with 100 dedicated devices using isolated I/O, calculate the minimum address space required for the devices if using 16-bit addressing.
💡 Hint: Think about binary addressing in terms of distinct addresses.
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