Question: There are four concurrent processes W , x , Y and Z sequence. All have a shared variable ' C ' . W and X

There are four concurrent processes W,x,Y and Z sequence. All have a shared variable 'C'.W and X work as follow feads efrom memory, increment by one, store c in memory. Y and Z work as follow reads c from memory, decrement by two, stores into memory. Each process of the four call wait on semaphores before reading, and calls signal after storing. If semaphore s=1, what is the maximum value of c after all four piocesses complete execution?
sectect one:
a.2
b.-2
c -1
d.1
There are four concurrent processes W,x,Y and Z sequence. All have

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