In Bottom-up integration

Question

Options:

A . The low-level components of a system are integrated and tested before the higher-level components have been developed

B . The testing process starts with modules at lower levels in the hierarchy and works up the hierarchy of modules until the final module is tested.

C . An event driven control system, where an event is broadcasted to each subsystem and any sub-system that can handle that event responds to it.

D . Control starts of the top of a sub routine hierarchy and through sub routine calls passes to lower levels.

Answer: Option A
Answer: (a)

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