What is the functional coverage ?

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Accepted Answer

Functional coverage is a metric used to measure how much of the design functionality has been exercised by the verification environment.

Functional coverage is used to ensure that all the features of the design have been tested.
It is a measure of how much of the design functionality has been exercised by the verification environment.
Functional coverage is typically defined in terms of coverage points, which are specific aspects of the design that need to be tested.
Coverage points can be defined at different levels of abstraction, such as module, block, or system level.
Functional coverage is an important metric for ensuring that the design meets its requirements and is free of bugs.