Automation System
In the operation of a programmable controller:

mathematics cannot be performed
None of these
all of the logic status is maintained in memory
All of these
any latched data must be done using an external latching relay

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Automation System
A semi-continuous operation means:

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

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Automation System
Numerical control:

None of these
is a method for controlling the operation of a machine by means of a set of instructions
applies only to milling machines
All of these
is a method for producing an exact number of parts per hour

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