what are LRU, LFU in the OS concepts? How they are useful in
the scheduling?
Answers were Sorted based on User's Feedback
Answer / alam
********************************************************
LRU (Least recently used):
the process to wich CPU will assign will be the one which
is least recently used, in active processes queue.
LRU (Least frequently used):
the process to wich CPU will assign will be the one which
is least frequently used, in active processes queue.
**********************************************************
| Is This Answer Correct ? | 14 Yes | 9 No |
Answer / mayur shetye
LRU , LFU are page replacement algorithms in os .
It scedules the manner in which the pages are swapped out
and swapped in memory !!!
"Least Frequently Used" is the best polycy for page
replacement in os !!!
| Is This Answer Correct ? | 5 Yes | 5 No |
What is ecc in reference to ram?
Explain what is the memory wall problem?
How does yahoo handles billions of requests, does it create a thread per request or a process?
What is meant by arm-stickiness?
What is the Difference between Loading and Linking ?
While running DOS on a PC, which command would be used to duplicate the entire diskette?
What is Executive in Windows NT?
What is an advantage of a large scheduling quantum? What is a disadvantage?
Explain any program using Semaphores.
What are the three conditions that must be present for deadlock to be possible?
What is fragmentation? Different types of fragmentation?
What kind of operations are possible on a semaphore?