Automation System
The SKETCHPAD system

None of these
consisted of an cathode-ray oscilloscope driven by a Lincoln Tx2 computer where by graphical information was displayed on the screen.
All of these
is used for interactive Graphics
is expensive because it is sophisticated and make demands on the power and resources of the computer.

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Automation System
The "walk-through" method of programming a robot involves:

physically moving the robot through all the motions it is to repeat
moving the robot from one location to another
walking through your suggested procedure with your supervisor prior to programming
All of these
None of these

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