We usually say the unit of m, which is pronounced as "trillion" in Chinese, and the symbol is abbreviated as "MB". Its conversion unit is: \x0d\ 1MB= 1024KB, abbreviated as 1M= 1024K. \x0d\ 1K= 1KB, which is an abbreviation. \x0d\ It should also be noted that in a general computer, the capacity is converted according to 1k = 1024 bytes, while the hard disk is calculated according to 1k = 1000 bytes.