Question: Thread A: a = 3 (A1) a = a + 1 (A2) Thread B: a = 5 (B1) a = a + 7 (B2) What

  1. Thread A:

a = 3 (A1)

a = a + 1 (A2)

  1. Thread B:

a = 5 (B1)

a = a + 7 (B2)

  1. What are the possible final values of a? (Assume that each statement is a unit of execution. You do not need to consider the problem at the instruction level.)

Possible ways of execution:

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