But there is a key difference between interrupt handling and processswitching: the code executed by an interrupt or by an exception handler is not a process.
然而在中断处理和进程切换之间有一个关键的区别：由中断或异常处理执行的代码不在进程中。
2
We're in the process of switching over to a new system of invoicing.
我们正在转用新的发票制度。
《牛津词典》
3
In trivial processes, the state of a process is unchanged by the invocation of the process. Switching on the light doesn't change the function, potential, or the predictability of the switch.