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

round robin
FCFS
pre-emptive scheduling
random scheduling

Answer: Option C

2. Memory protection is normally done by

the processor and the associated hardware
the operating system
the compiler
the user program

Answer: Option A

3. Which is single user operating system

MS-DOS
UNIX
XENIX
LINUX

Answer: Option A

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. Reference bit is used for

Implementing LRU page replacement algorithm
Implementing NRU algorithm
To check the page table entry in the cache memory
none of above

Answer: Option B

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