Question Detail

Belady anamoly occurs in

Optimal replacement
FIFO
LRU
both in FIFO and LRU

Answer: Option B

Similar Questions :

1. Poor response times are caused by

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

Answer: Option D

2. Which operating system reacts in the actual time

Batch system
Quick response system
Real time system
Time sharing system

Answer: Option C

3. 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

4. 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

5. Which scheduling policy is best suited for time-sharing operating systems

Shortest job first
Round robin
First come first serve
Elevator

Answer: Option B

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