History of video games turn promoted the adoption of computers by universities, government organizations, and large corporations as the decade progressed. It was in this environment that the first video games were born. The computer games of the 1950s can generally be divided into three categories: training and instructional programs, research programs in fields such as artificial intelligence, and demonstration programs intended to impress or entertain the public. Because these games were largely developed on unique hardware in a time when porting between systems was difficult and were often dismantled or discarded after serving their limited purposes, they did not generally influence further developments
TiVo digital video recorders The models can transfer recordings from the built-in hard drive to DVD Video-compliant discs, playable in most modern DVD systems. The video encoding on these models was modified to match the DVD standard so transferring to DVD does not require transcoding. The Series2 standalones can only tune analog signals, so to comply with FCC rules on analog TV phaseout, models that record from over-the-air channels are no longer sold. The dual tuner (DT) models and the TCD542 (a revision of the TCD540) will only record from cable and satellite sources. Some TiVo systems are integrated with DirecTV receivers. These "DirecTiVo"