There Are Two Important Aspects to Biological Evolution: Descent from a Common

question 21

True/False

There are two important aspects to biological evolution: descent from a common ancestor and the fossil record.

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Definitions:

Processor Scan

Processor Scan is the cyclic process by which a PLC reads inputs, executes its programmed logic, and updates outputs.

Jump-To-Label Instruction

A programming command used to redirect the execution flow to another part of the code identified by a label.

Processor Scan Time

The duration it takes for a PLC's processor to read all input states, execute the programmed logic, and update the outputs accordingly.

Examine On Sensor Instruction

In PLC programming, an instruction that checks if a sensor or input device is activated or has a high signal.