Professional Courses
Industry-relevant training in Business, Technology, and Design to help professionals and graduates upskill for real-world careers.
Categories
Interactive Games
Fun, engaging games to boost memory, math fluency, typing speed, and English skills—perfect for learners of all ages.
Typing
Memory
Math
English Adventures
Knowledge
Enroll to start learning
You’ve not yet enrolled in this course. Please enroll for free to listen to audio lessons, classroom podcasts and take practice test.
Practice Questions
Test your understanding with targeted questions related to the topic.
Question 1
Easy
What does memory-mapped I/O mean?
💡 Hint: Think about how the CPU communicates with devices.
Question 2
Easy
What is polling in the context of I/O?
💡 Hint: What does the CPU do to know if a device is ready?
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 technique uses the same address space for memory and I/O?
- Memory-Mapped I/O
- Isolated I/O
- Direct Memory Access
💡 Hint: Recall the major types of I/O operations.
Question 2
True or False: Polling is an efficient way for the CPU to handle I/O devices.
- True
- False
💡 Hint: Consider the CPU's resource usage while polling.
Solve 1 more question and get performance evaluation
Challenge Problems
Push your limits with challenges.
Question 1
Design a simple series of control commands required to interface a temperature sensor with the CPU using memory-mapped I/O.
💡 Hint: Think about how you would cycle through the operations of asking for the temperature.
Question 2
Compare and contrast the advantages of memory-mapped I/O over isolated I/O in a specific use case scenario.
💡 Hint: Identify scenarios where speed vs. capacity is prioritized.
Challenge and get performance evaluation