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GATE | GATE CS 2019 | Question 32

Consider three concurrent processes P1, P2 and P3 as shown below, which access a shared variable D that has been initialized to 100.

The process are executed on a uniprocessor system running a time-shared operating system. If the minimum and maximum possible values of D after the three processes have completed execution are X and Y respectively, then the value of Y–X is __________. Note: This was Numerical Type question.

(A)

80

(B)

130

(C)

50

(D)

None of these

Answer

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