Question Detail

Semaphores function is to

synchronize critical resources to prevent deadlock
synchronize processes for better CPU utilization
used for memory management
none of above

Answer: Option A

Similar Questions :

1. Which technique is used by operating systems to execute several programs concurrently by switching back and forth

Partitioning
Multitasking
Windowing
Paging

Answer: Option C

2. Semophores are used to solve the problem of

race condition
process synchronization
mutual exclusion
belady problem

Answer: Option C

3. Which among following scheduling algorithms give minimum average waiting time

FCFS
SJF
Round robin
On priority

Answer: Option B

4. For multiprogramming operating system

special support from processor is essential
special support from processor is not essential
cache memory is essential
none of above

Answer: Option B

5. Problem of thrashing is affected significantly by

program structure
program size
primary storage size
all of above

Answer: Option A

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