Industry-relevant training in Business, Technology, and Design to help professionals and graduates upskill for real-world careers.
Fun, engaging games to boost memory, math fluency, typing speed, and English skills—perfect for learners of all ages.
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.
Test your understanding with targeted questions related to the topic.
Question 1
Easy
Define human-readable devices.
💡 Hint: Think of devices that provide visual output.
Question 2
Easy
What is programmed I/O?
💡 Hint: How does the CPU manage to fetch data from I/O devices?
Practice 4 more questions and get performance evaluation
Engage in quick quizzes to reinforce what you've learned and check your comprehension.
Question 1
What type of devices display information in a way that humans can easily understand?
💡 Hint: Think of devices like monitors and printers.
Question 2
True or False: In programmed I/O, the CPU can perform other tasks while waiting for data transfer.
💡 Hint: Consider how the CPU engages with devices.
Solve 2 more questions and get performance evaluation
Push your limits with challenges.
Question 1
Explain how implementing DMA could increase system efficiency in a computer that frequently transfers large files.
💡 Hint: Consider the implications of reducing CPU overhead.
Question 2
Analyze the consequences of excessive busy waiting in programmed I/O systems for the overall performance of a computer.
💡 Hint: Reflect on how the CPU manages time and tasks in programmed I/O.
Challenge and get performance evaluation