A = consistent, good-quality patient-oriented evidence; B = inconsistent or limited-quality patient-oriented evidence; C = consensus, disease-oriented evidence, usual practice, expert opinion, or case series.
An LED driver is the power supply for an LED system, much like a ballast is to a fluorescent or HID lighting system, says Al Marble, manager - sales & market development for Philips-Advance Transformer.
In very simple terms, drivers are computer programs that let Windows and your other applications interact with a hardware device. Your computer doesnât natively know how to use all the features of your video cardâit needs a driver to do that.