Question Detail

Root directory of a disk should be placed

at the fixed address in the main memory
at a fixed location on the disk
at the fixed location on system disk
anywhere on the disk

Answer: Option B

Similar Questions :

1. A high paging rate

may cause a high I/O rate
keeps the system running well
is a symptom of too much processor activity
always creates a slow system

Answer: Option A

2. 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

3. A public key encryption system

Allows only the correct sender to decode the data
Allows only the correct receiver to decode the data
Allows anyone to decode the data
none of above

Answer: Option B

4. Dispatcher function is to

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

Answer: Option A

5. 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

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