Practice Counter-based Solution (17.3.2) - FIFO Page Replacement - Computer Organisation and Architecture

Practise this section

9 questions

Flashcard drill
4 cards from this section. Quick, good the night before a test.
Exercise
6 questions · about 4 min · pass mark 70%. Hints available.
Sign up to start the exercise
Quiz
3 questions · about 2 min · pass mark 70%. Hints available.
Sign up to start the quiz

6 sample questions

Question 1.
What does LRU stand for?
Show hintHide hint
Focus on the concept of how pages are managed.
Question 2.
Explain what a reference bit does.
Show hintHide hint
Think about tracking page usage.
3Question 3.
What is the primary goal of a page replacement algorithm?
- To increase memory usage
- To replace pages efficiently
- To decrease CPU performance
Show hintHide hint
Think about the purpose of these algorithms.
4Question 4.
True or False: LRU always guarantees the best performance.
- True
- False
Show hintHide hint
Consider the practical aspects of implementation.
Question 5.
Given a memory reference string and a specific page frame size, calculate the page fault rate using FIFO, LRU, and an approximation, explaining the differences in results.
Show hintHide hint
Observe how each method prioritizes different access patterns.
Question 6.
Discuss the practical trade-offs of implementing stack-based LRU vs. counter-based LRU; which is preferred and why?
Show hintHide hint
Focus on resource management and operational efficiency.

5 more questions in this section. Enroll free to practise them all.