Automation System
Which type of digitizer measures a wave traveling at the speed of sound?

Digitizing sr amer
None of these
Caparitive
Sonic
Electrostatic

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Automation System
The refresh-vector CRT uses which of the following techniques?

Creates images on the screen by scanning straight-line vectors between selected points.
None of these
The beam constantly travels across the screen to turn on/off a series of pixels.
Uses an electron gun to continuously flood the surface of the tube.
Makes changes on the image by increasing the anode voltage.

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Automation System
Direct Numerical Control means:

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

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Automation System
Ergonomics refers to:

the technology involved in the workstation itself
None of these
the cost relationship of the workstation versus productivity
the level of involvement the operator has with the workstation
the human aspect of the environment around the workstation as well as the workstation itself

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