Question

1. Programmable logic controllers (also called

PLCs) are used to control machines and other
industrial applications with
instead
of using hard-wired devices.

Answer 1

A programmable logic controller (PLC) or programmable controller is an industrial digital computer that has been ruggedized and adapted for the control of manufacturing processes, such as assembly lines, robotic devices, or any activity that requires high reliability, ease of programming, and process fault diagnosis.

Step-by-step explanation: