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Practice Questions
Test your understanding with targeted questions related to the topic.
Question 1
Easy
Define programmed I/O.
💡 Hint: Think about how the CPU interacts with I/O devices.
Question 2
Easy
What does polling mean?
💡 Hint: Consider the action of continuously checking something.
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 programmed I/O?
- To automate I/O operations
- To enable CPU control over I/O
- To eliminate the need for I/O devices
💡 Hint: Focus on the control aspect of I/O.
Question 2
True or False: Isolated I/O and memory-mapped I/O use the same address space.
- True
- False
💡 Hint: Consider how addresses are allocated in each scheme.
Solve 1 more question and get performance evaluation
Challenge Problems
Push your limits with challenges.
Question 1
Construct a flowchart that illustrates the steps an I/O operation follows, from initiation to data transfer.
💡 Hint: Use shapes to represent different stages of the process.
Question 2
In a given memory-mapped scheme, if 255 addresses are reserved for memory and 15 for I/O, how many total devices can be addressed?
💡 Hint: Calculate the number of devices based on the reserved addresses.
Challenge and get performance evaluation