Two different levels of abstraction were introduced in this lab, namely structural and dataflow. Provide a comparison of these approaches. When might you use one over the other?

A dataflow architecture uses only concurrent signal assignment statements.

A behavioral architecture uses only process statements.

A structural architecture uses only component instantiation statements.

Usage

Dataflow modelling uses Boolean equations as design specifications. For eg. to design AND gate you use the equation y <= a & b ; Statements are executed concurrently. Behavioural modelling executes statements sequentially. They are written inside a process statement. Structural modelling uses logic diagrams.

Explanation:

The difference between these styles is based on the type of concurrent statements used:

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2d

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200k

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