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Semaphore interview questions
Semaphore interview questions
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Total Questions: 5
1. An un-interruptible unit is known as :
A. single
B. atomic
C. static
D. none of the mentioned
Show Correct Answer
Correct Answer is :
atomic
2. The TestAndSet instruction is executed :
A. after a particular process
B. periodically
C. atomically
D. none of the mentioned
Show Correct Answer
Correct Answer is :
atomically
3. Semaphore is a/an _______ to solve the critical section problem.
A. hardware for a system
B. special program for a system
C. integer variable
D. none of the mentioned
Show Correct Answer
Correct Answer is :
integer variable
4. The two atomic operations permissible on semaphores are :
A. wait
B. stop
C. hold
D. none of the mentioned
Show Correct Answer
Correct Answer is :
wait
5. Spinlocks are :
A. CPU cycles wasting locks over critical sections of programs
B. Locks that avoid time wastage in context switches
C. Locks that work better on multiprocessor systems
D. All of the mentioned
Show Correct Answer
Correct Answer is :
All of the mentioned
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