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Semaphores 1 — Test 1

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Question 1
An un-interruptible unit is known as ____________
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Question 2
TestAndSet instruction is executed ____________
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Question 3
Semaphore is a/an _______ to solve the critical section problem.
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Question 4
What are the two atomic operations permissible on semaphores?
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Question 5
What are Spinlocks?
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Question 6
What is the main disadvantage of spinlocks?
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Question 7
The wait operation of the semaphore basically works on the basic _______ system call.
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Question 8
The signal operation of the semaphore basically works on the basic _______ system call.
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Question 9
If the semaphore value is negative ____________
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Question 10
The code that changes the value of the semaphore is ____________
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