Q1: 1. What is the primary function of memory management in operating systems?

• A) Disk management
• B) Process management
• C) Resource management
• D) Memory protection

Q2: 2. Which memory management technique involves dividing memory into fixed-sized partitions?

• A) Paging
• B) Segmentation
• C) Fragmentation
• D) Partitioning

Q3: 3. What is the purpose of virtual memory in memory management?

• A) Increase physical memory size
• B) Improve disk performance
• C) Extend the available memory
• D) Reduce memory latency

Q4: 4. Which memory management technique allows processes to be swapped in and out of memory to allow for more processes to run than physical memory can accommodate?

• A) Swapping
• B) Page replacement
• C) Demand paging
• D) Thrashing

Q5: 5. What is a common goal of memory management algorithms?

• A) Maximize CPU utilization
• B) Minimize disk access time
• C) Optimize memory usage
• D) Reduce context switching

Q6: 6. Which memory management technique uses a page table to map logical addresses to physical addresses?

• A) Paging
• B) Segmentation
• C) Virtual memory
• D) Memory mapping

Q7: 7. What is a disadvantage of using segmentation in memory management?

• A) Internal fragmentation
• B) External fragmentation
• C) Limited address space
• D) Inefficient memory access

Q8: 8. Which memory management algorithm selects the victim page for replacement based on the time since it was last accessed?

• A) FIFO
• B) LRU
• C) Optimal
• D) Clock

Q9: 9. In a demand paging system, when is a page brought into memory?

• A) When it is first accessed
• B) When the process is loaded
• C) When the system boots up
• D) When the page table is initialized

Q10: 10. Which memory management technique allows for the dynamic allocation of memory to processes during execution?

• A) Paging
• B) Segmentation
• C) Swapping
• D) Fragmentation

Q11: 11. What is a key advantage of using paging over segmentation in memory management?

• A) Better memory protection
• B) Reduced internal fragmentation
• C) Increased address space
• D) Efficient memory allocation

Q12: 12. Which memory management technique involves dividing memory into fixed-sized blocks to simplify memory allocation and deallocation?

• A) Paging
• B) Segmentation
• C) Partitioning
• D) Swapping

Q13: 13. What is a drawback of using a pure demand paging system for memory management?

• A) High disk I/O overhead
• B) Excessive memory fragmentation
• C) Limited address space
• D) Inefficient memory utilization

Q14: 14. Which memory management technique allows for sharing memory between processes to reduce memory usage?

• A) Paging
• B) Segmentation
• C) Swapping
• D) Shared memory

Q15: 15. What is a benefit of using virtual memory in memory management?

• A) Increased physical memory capacity
• B) Reduced memory latency
• C) Enhanced disk performance
• D) Extended address space

Q16: 16. Which memory management algorithm replaces the page that will not be used for the longest period of time?

• A) FIFO
• B) LRU
• C) Optimal
• D) Clock

Q17: 17. In a multiprogramming environment, why is effective memory management crucial?

• A) To prevent disk thrashing
• B) To optimize CPU utilization
• C) To handle multiple processes concurrently
• D) To reduce context switching overhead

Q18: 18. What is the purpose of memory protection in memory management?

• A) Prevent unauthorized access to memory
• B) Optimize memory usage
• C) Improve disk performance
• D) Increase virtual memory capacity

Q19: 19. Which memory management technique allows for the relocation of processes in memory to optimize memory usage?

• A) Paging
• B) Segmentation
• C) Swapping
• D) Compaction

Q20: 20. What is a limitation of using fixed partitioning in memory management?

• A) External fragmentation
• B) Internal fragmentation
• C) Limited address space
• D) Inefficient memory access

Q21: 21. Which memory management algorithm replaces the page that has not been used recently and is not likely to be used in the near future?

• A) FIFO
• B) LRU
• C) Optimal
• D) Clock

Q22: 22. In memory management, what is a key advantage of using a TLB (Translation Lookaside Buffer)?

• A) Faster memory access
• B) Reduced disk I/O
• C) Improved page replacement
• D) Enhanced memory allocation

Q23: 23. What is a drawback of using pure segmentation in memory management?

• A) Internal fragmentation
• B) External fragmentation
• C) Limited address space
• D) Inefficient memory allocation

Q24: 24. Which memory management technique allows for the efficient utilization of physical memory by storing a process's entire address space on disk?

• A) Paging
• B) Segmentation
• C) Swapping
• D) Demand paging

Q25: 25. What is a benefit of using demand paging in memory management?

• A) Reduced memory latency
• B) Increased disk performance
• C) Efficient memory utilization
• D) Extended address space