A digital image is made up from a great number of pixels, each pixel having a specific numeric tonal value. Image contrast is determined by the number of tonal values available and image resolution is determined by the number of pixels available.
The Electrical Lineman Apprenticeship program is a selective admission program restricted to individuals who are employed in the electrical industry and are working for a participating employer.
Educational Requirements. Individuals interested in careers as electrical technicians often get their education and training through vocational schools or community colleges. While some schools offer certificate programs that can be completed in less than a year, becoming an electrical technician typically requires a 2-year associate's degree.