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Question

What is direct engagement in the context of direct manipulation systems?

a.

The interaction between the user and an intermediary in the system.

b.

The observation of output expressions in some output language.

c.

The sensation of acting upon the objects of the task domain.

d.

The use of both input and output objects exclusively.

Answer: (c).The sensation of acting upon the objects of the task domain. Explanation:Direct engagement in the context of direct manipulation systems refers to the sensation in the user of acting upon the objects of the task domain themselves, creating a direct interaction with the represented world.

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Q. What is direct engagement in the context of direct manipulation systems?

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