Official Photos Â». Robert Downey Jr. has evolved into one of the most respected actors in Hollywood. With an amazing list of credits to his name, he has managed to stay new and fresh even after over four decades in the business. Downey was born April 4, 1965 in Manhattan, New York, the son of writer, director and filmographer Robert Downey Sr. and actress Elsie Downey ... See full bio Â». Robert John Downey Jr.
Professional learning community. A professional learning community (PLC) is a method to foster collaborative learning among colleagues within a particular work environment or field. It is often used in schools as a way to organize teachers into working groups of practice-based professional learning. Contents.
Programmable Logic Controllers (or PLC) are solid-state devices designed to perform logical decision making for control applications in the industrial environment.he processor, or the brain of the PLC system, is a solid-state device designed to perform a wide variety of production, machine tool, and process-control functions. Conventional electromechanical devices, relays and their associated wiring formerly performed these functions.