Question Detail

The LRU algorithm

pages out pages that have been used recently
pages out pages that have not been used recently
pages out pages that have been least used recently
pages out the first page in a given area

Answer: Option C

Similar Questions :

1. Which technique is used by operating systems to execute several programs concurrently by switching back and forth

Partitioning
Multitasking
Windowing
Paging

Answer: Option C

2. Problem of thrashing is affected significantly by

program structure
program size
primary storage size
all of above

Answer: Option A

3. The LRU algorithm

pages out pages that have been used recently
pages out pages that have not been used recently
pages out pages that have been least used recently
pages out the first page in a given area

Answer: Option C

4. For multiprogramming operating system

special support from processor is essential
special support from processor is not essential
cache memory is essential
none of above

Answer: Option B

5. Dispatcher function is to

put tasks in I/O wait
schedule tasks in processor
change task priorities
All of above

Answer: Option A

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