__ is an integer variable accessible through wait and signal which are atomic operations.

(A) Mutex
(B) Semaphore
(C) Signal
(D) Busy waiting

Updated on 01/12/2021

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    (A) By ensuring that at least one of these conditions can hold
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    (D) All of the above

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    (C) There must be a fixed number of resources to allocate
    (D) None of the above

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