Without the means or right of communicating with others: a prisoner held incommunicado; incommunicado political detainees. or adv , adj deprived... Incommunicado - definition of incommunicado by The Free Dictionary
The 15 pin the same vga cable can be used with a variety of supported resolutions, ranging from 640350px @70 hz (24 mhz signal bandwidth) to maximum resolution modern port is 2048 by 1536 pixels at 85 hertz as 2013.
720HD is 1280 x 720 pixels per frame. The highest resolution that the DVD format can support is 720 x 480 pixels per frame for NTSC (or 720 x 576 pixels per frame for PAL), which is at best only 37.5% of the resolution of 720HD.