J. Kircher (3)

| In many computer systems, the mains for the monitor is derived from the computer, so that when the computer is switched on, the monitor...

| When medium to Iarge electric motors are started, no counter-e.m.f. is as yet induced, so that very high currents are drawn that often re...

| Most modern video units are provided with an S-VHS or Y /C output. This output furnishes the black-and-white information (luminance or Y...