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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
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Practice Questions
Test your understanding with targeted questions related to the topic.
Question 1
Easy
What is the purpose of virtual memory?
💡 Hint: Consider how it interacts with main memory and disk.
Question 2
Easy
What does a dirty bit signify?
💡 Hint: Think about the writing process regarding memory.
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 the dirty bit in virtual memory represent?
- Determines if a page is free
- Indicates a modified page
- Indicates a page fault
💡 Hint: Think about what happens to data when it changes.
Question 2
True or False: Thrashing occurs when there is too much memory allocated to a program.
- True
- False
💡 Hint: Consider the relationship between memory size and usage.
Solve and get performance evaluation
Challenge Problems
Push your limits with challenges.
Question 1
Assume a system uses a page size of 8 KB and has an access time of 100 ns. What happens if a page fault occurs, and the access time to disk is 10 ms? Calculate the total access time for 5 repeated page accesses including one page fault.
💡 Hint: Calculate the time for each memory access and add disk access time when a fault occurs.
Question 2
Design a small algorithm to minimize thrashing when it occurs in a system. Describe the logic and steps involved.
💡 Hint: No hint provided
Challenge and get performance evaluation