n.千位
One kilobit (Kb) is 1024 bits. One megabit (Mb) is 1024 kilobits. One gigabit (Gb) is 1024 megabits. 一格千比是1024比特。一兆比是1024千比特。一吉比是1024兆比。
The bit size of a file is about 8 times the bit size, making a 50KB page footprint equal to about 400 kilobits.Dividing 400 using a 50 kilobit modem, gives a download time of 8 seconds. 文件比特尺寸是比特尺寸的8倍，50kb的网页尺寸就相当于400000比特，利用50000比特的调制解调器把400000比特分离，下载时间为8秒。
