Q. 42 The following program consists of 3 concurrent precesses and 3 binary semaphores.
The semaphores are initialized as S0 = 1,S1 = 0,S2 = 0
How many times will precess P0 print ‘0’ ?
(A) At least twice
(B) Exactly twice
(C) Exactly thrice
(D) Exactly once
Answer: (A)
Explanation:
