Automation System
An up/down counter used in a TI510PC has three inputs. Which of the following is not one of them?

Count up
None of these
Reset.
Count down
Count out

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

it is impossible to write a control program for a machine in any other logic
All of these
None 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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Automation System
A semi-continuous operation means:

a computer is a required part of the machine
the operation is continuous each shift, but stops between shifts
each operation in a sequence is continuous, but subsequent operations in the sequence may be different.
None of these
coffee breaks are allowed for the operator

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Automation System
Microcomputer-based control sys-tems

None of these
will tend to increase in cost.
All of these
will have more standard industrial application software available in the future.
will just keep their present capability

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Automation System
A discrete parts process is:

None of these
often encountered in manufacturing
the same as a continuous process except a different controller must be used
(b) and (c)
normally a repetitive series of operations

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