Question: If changes are made to a PLC program, _ _ _ _ _ . Question 2 2 options: All are correct. changes will be lost

If changes are made to a PLC program, _____.
Question 22 options:
All are correct.
changes will be lost if power is lost and there is no backup battery
multiple power sources can be used to ensure the program remains in the processor memory
a new EEPROM must be made to add the changes to the original program

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