But at a megabit per second, which is roughly the speed of a typical home cable modem or DSL connection (certainly enough for a lightbulb), a bit is 300 meters long—so large that it can span an entire building network.
But at a megabit per second, which is roughly the speed of a typical home cable modem or DSL connection (certainly enough for a lightbulb), a bit is 300 meters long—so large that it can span an entire building network.
但是一般的家庭缆线数据机或数位用户线（DSL），传输速度大概每秒100万位元（对灯泡来说当然是绰绰有馀），其一位元的长度高达300公尺。