Practice Input - Output Systems and Program-Controlled I/O - 7.2 | Module 7: Input/Output (I/O) Organization | Computer Architecture
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7.2 - Input - Output Systems and Program-Controlled I/O

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Learning

Practice Questions

Test your understanding with targeted questions related to the topic.

Question 1

Easy

What is an I/O port?

💡 Hint: Think about how CPUs connect to devices.

Question 2

Easy

Define busy-waiting.

💡 Hint: Consider how the CPU spends its time while waiting.

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 port represent?

  • A physical device
  • A logical address
  • A data packet

💡 Hint: Consider how CPUs talk to I/O devices.

Question 2

True or False: Busy-waiting allows the CPU to perform other tasks.

  • True
  • False

💡 Hint: Think about what the CPU does while waiting.

Solve 2 more questions and get performance evaluation

Challenge Problems

Push your limits with challenges.

Question 1

Critically analyze the impact of polling on CPU performance in a system processing multiple I/O devices simultaneously. What alternative methods might alleviate the issues raised?

💡 Hint: Think about how the CPU divides its attention among tasks.

Question 2

Discuss a real-world scenario where polling is effectively used despite its drawbacks. What features of such systems make polling a suitable choice?

💡 Hint: Consider devices that perform only one or two specific functions.

Challenge and get performance evaluation