当你工作之余,敲一下键盘,电脑显示屏上立刻开始播放电视节目;当家人因爱好不同而出现“频道之争”时,若家里拥有一台电脑,只要你打开开关,启动一个命令,电脑马上就成为你家的第二台电视机……,这一切的实现,只需在电脑中插入一块小小板 When you work, tap the keyboard, the computer screen immediately began to broadcast television programs; when the family because of hobbies and the emergence of “channel battle”, if the family owned a computer, as long as you turn on the switch, start a command, The computer becomes your second TV right away ... and all this is accomplished by simply inserting a small board into your computer