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Practice Questions
Test your understanding with targeted questions related to the topic.
Question 1
Easy
Define polling in the context of I/O operations.
💡 Hint: Think about how often the CPU needs to check the devices.
Question 2
Easy
What is interrupt-driven I/O?
💡 Hint: Consider what happens to the CPU during device communication.
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 does polling mean in I/O operations?
- The CPU waits for an interrupt.
- The CPU continuously checks device status.
- I/O devices communicate directly with memory.
💡 Hint: Consider how the CPU interacts with devices during polling.
Question 2
True or False: In interrupt-driven I/O, the CPU must constantly check the status of devices.
- True
- False
💡 Hint: Think about how devices signal the CPU.
Solve 1 more question and get performance evaluation
Challenge Problems
Push your limits with challenges.
Question 1
Discuss how the choice between polling, interrupt-driven I/O, and DMA can impact system performance. Provide examples for each case.
💡 Hint: Consider the CPU load and efficiency of each method.
Question 2
Evaluate the potential consequences of excessive polling in a multitasking environment. What might happen to system responsiveness?
💡 Hint: Reflect on how CPU resources are allocated among multiple tasks.
Challenge and get performance evaluation