Podcast
Questions and Answers
What is the primary purpose of memory management?
What is the primary purpose of memory management?
- To provide data to the ALU
- To achieve efficient utilization of memory (correct)
- To manage secondary storage
- All of the above
Which of the following is a disadvantage of the paged memory allocation scheme?
Which of the following is a disadvantage of the paged memory allocation scheme?
- It has some internal fragmentation in the last page
- It increases overhead in address resolution (correct)
- It allows dynamic partitioning of memory
- Job memory allocation is contiguous
What type of memory allocation scheme stores a portion of an executing process on disk or secondary memory?
What type of memory allocation scheme stores a portion of an executing process on disk or secondary memory?
- Demand paging memory allocation (correct)
- Fixed partitioning
- Dynamic partitioning
- Single-user contiguous
Is it true that when a program is initially prepared for loading, its pages are in logical sequence?
Is it true that when a program is initially prepared for loading, its pages are in logical sequence?
Does the FIFO page replacement policy remove pages that are longest in memory?
Does the FIFO page replacement policy remove pages that are longest in memory?
In the least recently used (LRU) policy, which page in memory gets replaced?
In the least recently used (LRU) policy, which page in memory gets replaced?
In a memory management system using LRU, what Page is most likely to be in Page Frame 1 at Time 8?
In a memory management system using LRU, what Page is most likely to be in Page Frame 1 at Time 8?
If we use LRU, what Page is likely to be in Page Frame 3 at Time 8?
If we use LRU, what Page is likely to be in Page Frame 3 at Time 8?
When employing LRU, what is the expected failure rate since Time 1?
When employing LRU, what is the expected failure rate since Time 1?
In an OPT memory management system, which Page is most likely to be in Page Frame 1 at Time 7?
In an OPT memory management system, which Page is most likely to be in Page Frame 1 at Time 7?
If OPT is used, what Page is expected to be in Page Frame 3 at Time 7?
If OPT is used, what Page is expected to be in Page Frame 3 at Time 7?
When applying OPT, what is the likely success rate since Time 1?
When applying OPT, what is the likely success rate since Time 1?
In the CLOCK page replacement policy, how is the pointer used to step through active pages' reference bits?
In the CLOCK page replacement policy, how is the pointer used to step through active pages' reference bits?
What is the page in Page Frame 1 at Time 7 if the Clock page replacement policy is used?
What is the page in Page Frame 1 at Time 7 if the Clock page replacement policy is used?
If the LRU (Least Recently Used) policy is applied, what Page is in Page Frame 2 at Time 7?
If the LRU (Least Recently Used) policy is applied, what Page is in Page Frame 2 at Time 7?
If FIFO (First-In-First-Out) is implemented, what Page is in Page Frame 3 at Time 8?
If FIFO (First-In-First-Out) is implemented, what Page is in Page Frame 3 at Time 8?
Considering the page request order A, B, C, A, D, B, A, B and using FIFO, what Page is in Page Frame 3 at Time 7?
Considering the page request order A, B, C, A, D, B, A, B and using FIFO, what Page is in Page Frame 3 at Time 7?
