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.
Electrical Technician: Educational Requirements. Learn about the education and preparation needed to become an electrical technician. Get a quick view of the requirements as well as details about schooling and job duties to find out if this is the career for you.