Examlex
Which of the following is true of red-circled employees?
PLC
Stands for Programmable Logic Controller, a digital computer used for automation of electromechanical processes, such as control of machinery on factory assembly lines.
CPU
The Central Processing Unit, which is the primary component of a computer responsible for interpreting and executing most of the commands from a computer's other hardware and software.
Ladder Logic
A programming language used to represent control logic in easily understood symbols arranged in a structure resembling a ladder, widely used in industrial and mechanical applications.
Scan
The process by which a PLC (Programmable Logic Controller) systematically checks its input signals and updates its outputs.
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