Most of the processing done on a computer is done via the computer's central processing unit, or CPU. So in order to give the CPU a break and help it run more efficiently, a video card can be used to process the graphics portion of the processing load. Because most of today's programs are graphically oriented, the video card can help almost any program run more efficiently. However, the difference in performance is especially noticeable in image editing applications and 3D games.
Vocational education is education within vocational schools that prepares people for a specific trade. It directly develops expertise in techniques related to technology, skill and scientific technique to span all aspects of the trade.