Predecessor Activities Are Activities That Must Be Completed Before Another

question 80

True/False

Predecessor activities are activities that must be completed before another activity can be started.

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Definitions:

XIC Instruction

A logical instruction used in PLC programming that stands for "Examine if Closed," checking if a condition is true (input or contact is on).

Reference Address

A specific location in memory used to store data or an instruction.

Internal Relay

An electromechanical device used within a circuit or system to control a larger current with a smaller one, acting as a switch.

PLC

A Programmable Logic Controller is a digital computer designed for the automation of electromechanical processes.