Question Detail

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

Similar Questions :

1. Belady anamoly occurs in

Optimal replacement
FIFO
LRU
both in FIFO and LRU

Answer: Option B

2. Daisy chain is a device for

connecting a number of controllers to a device
connecting a number of device to a controller
all of above
none of above

Answer: Option B

3. Semophores are used to solve the problem of

race condition
process synchronization
mutual exclusion
belady problem

Answer: Option C

4. If the property of locality of reference is well pronounced in a program

the number of page faults will be more
the number of page faults will be less
the number of page faults will same
none of above

Answer: Option B

5. 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

Read more from - Operating System Questions Answers - Chapter 1