... If you need to connect to several external devices simultaneously, the one or two USB ports on your laptop may or may not be sufficient.如果你需要同时接上几个外部设备、一个或两个口岸的USB笔记本您可能不足够. If not, keep an inexpensive four- port USB hub in your laptop case.如果没有,保持价格相宜4端口USB集线器便携式贵案. Extra 3: PC card token ring adapter额外3:PC卡令牌环适配器 Ethernet is the industry standard for computer networking, however back in the 1970s IBM introduced a competing technology called Token Ring.以太网是计算机网络行业标准,不过IBM公司早在70年代引进技术竞叫令牌环. ...

基于1个网页-相关网页