1位 = 1 bit
8 bit = 1 bytes = 1字节
1024 bytes = 1 KB
1024 KB = 1 Million Bytes = 1 MB
1024 MB = 1 Gigabytes = 1 GB
1024GB = 1TB
1024TB = 1PB
计算机常用单位
原文：https://www.cnblogs.com/pizer/p/8321816.html
