Be on the lookout

When solving somewhat more complex problems, students must keep several things in mind when using a sensor watcher: what the robot is doing at the time sensory input comes in; how the robot will change its behavior as a result of a condition becoming true; how this change will affect what it has been doing.

What you can do: Transparency #2 provides several examples you can use to help students understand how commands in different stacks affect each other. (e.g., how commands in the Main program are affected by commands in a Sensor Watcher stack).


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