Question

What is a characteristic of production rules in the context of event languages?

a.

They are activated when input is received and produce graphical output.

b.

They describe state transitions in state transition diagrams.

c.

They represent the formal grammar of command-based interfaces.

d.

They model the flow of the dialog in state machines.

Posted under Human Computer Interaction

Answer: (a).They are activated when input is received and produce graphical output. Explanation:In event languages, production rules are activated when input is received and lead to corresponding output responses. They help control the input-output relationship within localized interactions.

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