Practice Global Frame Allocation - 21.4.2 | 21. Page Frame Allocation and Thrashing | Computer Organisation and Architecture - Vol 3
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21.4.2 - Global Frame Allocation

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Learning

Practice Questions

Test your understanding with targeted questions related to the topic.

Question 1

Easy

What is a page-fault?

💡 Hint: Think about what happens when a program requests data that isn't immediately accessible.

Question 2

Easy

Define thrashing.

💡 Hint: Consider the consequences of insufficient memory allocation.

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 is thrashing?

  • A scenario with efficient memory allocation
  • A situation where a process spends more time swapping pages than executing
  • An optimal page replacement strategy

💡 Hint: Think about what happens when memory is insufficient.

Question 2

True or False: Fixed allocation guarantees optimal performance for all processes.

  • True
  • False

💡 Hint: Consider if all processes truly have the same needs.

Solve and get performance evaluation

Challenge Problems

Push your limits with challenges.

Question 1

Consider a system with 100 frames and 4 processes: Process A requires 40 frames, Process B requires 30 frames, Process C requires 20 frames, and Process D requires 10 frames. What could be an effective allocation strategy?

💡 Hint: Think about how you would divide the 100 frames assigned based on the needs of each process.

Question 2

If increasing the number of processes in the system led to thrashing, what systematic changes could be made to improve performance?

💡 Hint: Consider if there are overload conditions that cause frame distribution issues and how you can solve them.

Challenge and get performance evaluation