Question

How do constraint systems contribute to describing the relationship between application and presentation?

a.

By emphasizing event sequencing and interaction patterns.

b.

By providing a graphical representation of the interaction flow.

c.

By establishing a shared database of values for application and presentation.

d.

By specifying a formal context-free grammar for communication.

Posted under Human Computer Interaction

Answer: (c).By establishing a shared database of values for application and presentation. Explanation:Constraint systems, a subset of declarative languages, help in making explicit connections between independent information in presentation and application. Constraints represent dependencies between values that must be maintained.

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