Automation System
Flood guns bombard the phosphor surface of the tube in which one of the following types of CRT technology?

Raster scan CRT
None of these
Stroke CRT
Direct view storage tube
Refresh-vector CRT

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Automation System
The use of specialized workstations:

None of these
has a high cost-performance tradeoff
provides limited growth potentials for 3-D
reduces the host computer workload
reduces the host computer workload and allows more users

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Automation System
Relay ladder logic is used in a PC because:

None of these
it is impossible to write a control program for a machine in any other logic
All of these
it is the best industrial control language ever developed.
most industrial control personnel are familiar with relay ladder logic diagrams and this is the easiest for them to use

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