Question: Q1: Solve the given problem. Add semaphores necessary to synchronize processes A,B,C and D so that A completes before any other process starts, and B

Q1: Solve the given problem.

Add semaphores necessary to synchronize processes A,B,C and D so that A completes before any other process starts, and B completes before C or D may execute, but C and D may execute concurrently. Show your solution.

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