Question Detail

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

Similar Questions :

1. 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

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

round robin
FCFS
pre-emptive scheduling
random scheduling

Answer: Option C

3. Multiprogramming systems

Are easier to develop than single programming systems
Execute each job faster
Execute more jobs in the same time
Are used only on large main frame computers

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. Which is non pre-emptive

Round robin
FIFO
MQS
MQSF

Answer: Option B

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