Automation System
The electronic component that has been the key to recent developments in automation is the:

transistor
improved vacuum tube
diode
None of these
integrated circuit

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Automation System
A semi-continuous operation means:

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.
coffee breaks are allowed for the operator
a computer is a required part of the machine
None of these

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