Automation System
What is required to enable the PC to emulate a graphics terminal?

A color monitor
A laser printer
Software
A graphics board
None of these

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Automation System
A continuous process is:

one that never shuts down
self-contained in that raw materials enter the process and an identifiable products exits the process.
None of these
used only with analog controllers.
used only for simple tasks

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

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

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