Question Detail

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

Similar Questions :

1. A series of statements explaining how the data is to be processed is called

instruction
compiler
program
interpretor

Answer: Option C

2. Dispatcher function is to

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

Answer: Option A

3. In real time OS, which is most suitable scheduling scheme

round robin
FCFS
pre-emptive scheduling
random scheduling

Answer: Option C

4. Four necessary conditions for deadlock are non pre-emption, circular wait, hold and wait and

mutual exclusion
race condition
buffer overflow
None of above

Answer: Option A

5. 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

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