一个计算机导论的很简单的问题.求详解.

问题描述:

一个计算机导论的很简单的问题.求详解.
how many bytes of memory are needed to store a full scree of 24 lines with 80 characters in each line?The system uses ASCII code,with each ASCII character stored as a byte.
好像问的不够详细……老师给的答案好像是24*80*8 我是不懂为啥要乘以一个8 …………

80*24= 1920