The learner will gain an understanding of how a robot uses welding instructions to perform tasks. This learning activity includes video.

Learners read an explanation of variation and how it can make a process unpredictable. They distinguish between common and special causes of variation in a brief exercise at the end of the lesson.

Students read how to set up the optical comparator edge detector in this interactive learning object.

In this animated activity, learners examine how various NAND gate configurations and the logic signals produced throughout the circuit perform the functions of all of the other types of logic gates.