Question

Why do designers use special notations for describing human-computer dialogs instead of programming languages?

a.

Special notations are more familiar to users

b.

Special notations can handle complex calculations more efficiently

c.

Special notations separate interface elements from program semantics

d.

Programming languages lack error checking and correction

Posted under Human Computer Interaction

Answer: (c).Special notations separate interface elements from program semantics Explanation:Special notations for describing human-computer dialogs provide the advantage of separating interface elements from the actual calculations (semantics) of the program, making analysis and design tasks more manageable.

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Q. Why do designers use special notations for describing human-computer dialogs instead of programming languages?

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