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Que. Consider the following C code for process P1 and P2. a=4, b=0, c=0 (initialization)
P1 P2
if (a < 0) b = 10;
c = b-a; a = -3;
else
c = b+a;
If the processes P1 and P2 executes concurrently (shared variables a, b and c), which of the following cannot be the value of ‘c’ after both processes complete?
a. 4
b. 7
c. 10
d. 13
Answer:10
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