For the scan process shown, the input data is provided by the:

A) ladder program.
B) output module.
C) input module.
D) All of these choices are correct

Scan Process

The scan process in a PLC refers to the cyclical operation in which the system reads inputs, executes logic based on the program, and updates outputs, typically occurring in a rapid and continuous loop.

Input Data

Information or signals received by a system or device from external sources, used as parameters or conditions for processing and operations.

Ladder Program

A graphical programming language used in programmable logic controllers (PLCs), resembling the schematic diagrams of relay logic.