Automation System
Four basic elements are required for an automated machine tool or production process. They are: input interface, memory, output interface and:

logic
software
computer graphics workstation
NC tape programming
None of these

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Automation System
A semi-continuous operation means:

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

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