What do you understand by hierarchical abstraction?

1.	What do you understand by hierarchical abstraction?
Answer» Answer: The purpose of an abstraction hierarchy is to hide information and manage complexity. To be useful, INDIVIDUALS must be able to work independently at each level of the hierarchy. Interfaces (green) ENABLE the LIMITED and principled exchange of information between LEVELS.

Answer»

Answer:

The purpose of an abstraction hierarchy is to hide information and manage complexity. To be useful, INDIVIDUALS must be able to work independently at each level of the hierarchy. Interfaces (green) ENABLE the LIMITED and principled exchange of information between LEVELS.

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What do you understand by hierarchical abstraction?

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