Practice Test Items - 25.6 | 25. Programmed I/O Overview | Computer Organisation and Architecture - Vol 3
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Practice Questions

Test your understanding with targeted questions related to the topic.

Question 1

Easy

What is an I/O module?

💡 Hint: Think about how devices communicate with the CPU.

Question 2

Easy

Define polling in the context of I/O.

💡 Hint: How does the CPU know when to proceed with data transfer?

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 an I/O module do?

  • Facilitates data transfer
  • Increases CPU load
  • Directly connects CPU to all devices

💡 Hint: Think about the role of intermediaries.

Question 2

True or False: Polling allows the CPU to perform other tasks while checking device status.

  • True
  • False

💡 Hint: What does the CPU do while polling?

Solve 1 more question and get performance evaluation

Challenge Problems

Push your limits with challenges.

Question 1

Given a scenario where a CPU must control 10 different I/O devices, compute the address space needed if using isolated I/O.

💡 Hint: Consider how each device is uniquely addressed.

Question 2

Discuss the trade-offs between using polling and interrupt-driven I/O in real-time applications.

💡 Hint: Think about CPU efficiency and system performance.

Challenge and get performance evaluation