Question

What is a fundamental difference between State Transition Networks (STNs) and Petri nets?

a.

STNs are used for reasoning about concurrent activities, while Petri nets represent sequential interactions.

b.

STNs have multiple counters to represent concurrent states, while Petri nets always have a single counter.

c.

STNs have places and transitions, while Petri nets have only states and transitions.

d.

STNs allow multiple tokens to be in places, while Petri nets have a single token in each place.

Posted under Human Computer Interaction

Answer: (b).STNs have multiple counters to represent concurrent states, while Petri nets always have a single counter. Explanation:A fundamental difference between State Transition Networks (STNs) and Petri nets is that in Petri nets, the system can have several "states" (represented by counters or tokens) at once, whereas in STNs, the system is always at exactly one state.

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Q. What is a fundamental difference between State Transition Networks (STNs) and Petri nets?

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