A typical instruction in a machine language might read 10010 1100 1011 and mean add the contents of storage register a to the contents of storage register b 机器语言中的一条典型的指令可能是1001011001011 ，意思是将存储寄存器a的内容加到存储寄存器b的内容中。
Of software , the ability of a computer to directly execute program code that was compiled , assembled , or written in machine language for another computer 对软件而言,一台计算机可以直接执行“为另一台计算机用机器语言编写的,或已经过编译汇编的”程序代码的能力。
Programming languages are divided into three types : machine language , which is also called an instruction system , is the only one used directly by computers 程序设计语言分为机器语言、汇编语言和高级语言三类。机器语言是计算机唯一能直接使用的语言，也叫做计算机指令系统；
