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Question

What is the formal viewpoint of an object?

a.

An abstraction of something in a problem domain

b.

A state machine with a finite set of states and a finite set of state functions

c.

A record of data and code elements

d.

A value-based mathematical formalism

Answer: (b).A state machine with a finite set of states and a finite set of state functions Explanation:The formal viewpoint considers an object as a state machine with a finite set of states and a finite set of state functions that map old states and inputs to new states and outputs.

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Q. What is the formal viewpoint of an object?

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