Question

In Harel's state charts, what does a dashed line between two subdialogs with the "AND" keyword indicate?

a.

An escape path for exiting the subdialogs

b.

A sequential execution of the subdialogs

c.

A hierarchical grouping of the subdialogs

d.

A concurrent execution of the subdialogs

Posted under Human Computer Interaction

Answer: (d).A concurrent execution of the subdialogs Explanation:In Harel's state charts, a dashed line between two subdialogs with the "AND" keyword indicates that the two subdialogs operate concurrently. This means that the user can interact with both subdialogs simultaneously, in any order.

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Q. In Harel's state charts, what does a dashed line between two subdialogs with the "AND" keyword indicate?

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