Question Detail

Disk scheduling includes deciding

which should be accessed next
order in which disk access requests must be serviced
the physical location of the file
the logical location of the file

Answer: Option B

Similar Questions :

1. A thread is

lightweight process where the context switching is low
lightweight process where the context swithching is high
used to speed up paging
used in dead locks

Answer: Option A

2. Fragmentation of a file system

occurs only is file is not used properly
can always be prevented
happens in all file systems
can be removed by compaction

Answer: Option B

3. Shortest Job First executes first the job

with the least processor needs
that first entered the queue
that has been in the queue for the longest
that last entered the queue

Answer: Option A

4. Poor response times are caused by

Busy processor
High I/O rate
High paging rates
Any of above

Answer: Option D

5. 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

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