Automation System
A drum timer is a good example of:

a position sensor
an output actuator
None of these
a sequence controller
an input sensor

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Automation System
The SKETCHPAD system

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

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Automation System
One of the major benefits of using CAD in tool design is that:

there is better coordination in the materials-handling area
product design represents approximately one-half the engineering costs
tool motions can be checked to see if there is interference between the tool and the object
None of these
it simplifies the trial-and-error method

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Automation System
Direct Numerical Control means:

eliminating computers from the manufacturing process
None of these
using one computer to control several machines
complete elimination of a need for a human operator.
using several computers to control one large machine

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