By 1973 , when I moved there , parc researchers had invented the first user-friendly computer , laser printing , object-oriented programming , a personal workstation , and the foundation of the ethernet .
The utp ethernet variants support an additional autoconfiguration protocol that allows two ethernet systems to negotiate which speed to use , in full or half duplex mode .
这种衍生的utp电缆支持一种“自动配置协议”,允许两个以太网系统自行决定采用全双工抑或半双工操作。
The boxee box will sport both 802.11n wireless and ethernet networking , and will come with an rf remote control with a qwerty keyboard on its backside .