When applying the State Transition test technique to the given State Transition diagram, and assuming that screen refreshes can be applied multiple times, how many 1-switch transitions are there starting from the state 'Screen 1'?
A1-switch transitionin a state transition diagram is a direct move from one state to another without intermediate states.
FromScreen 1, the possible 1-switch transitions are:
Next:Moves toScreen 2
Back:Moves toMenu
Refresh:Stays onScreen 1
Sincerefreshcan be applied multiple times (loop), it is still considered as one transition.
Therefore, the number of 1-switch transitions fromScreen 1is3.
The correct answer isD (3).
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