Automation System
Four basic elements are required for an automated machine tool or production process. They are: input interface, memory, output interface and:

None of these
computer graphics workstation
logic
software
NC tape programming

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Automation System
The SKETCHPAD system

is used for interactive Graphics
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 expensive because it is sophisticated and make demands on the power and resources of the computer.

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