A class for each style sheet instruction type that contains the logic for that instruction.
用于每个包含那个指令逻辑的样式表类型的类。
2
By having a memory and storing a set of instructions that can be performed over and over, as well as logic to vary the path of instruction, execution programmable computers were possible.
如果有一个记忆和存储设备那些计算可以持续下去。不过电脑路径执行程序都发生改变，不过这是可行的。
3
In a computer, a functional unit that interprets and executes instructions. Note: a processor consists of at least an instruction control unit and an arithmetic and logic unit.