I don't know if there's any instruction that could make the CPU idle. And I also notice that there's a System Idle Process that use 99% of the CPU when the CPU usage is shown to be 0%. What is this System Idle Process? If it is using 99% of the CPU, why is the CPU temperature lower than other process taking 99% of CPU?
Allow me to put it a little further, how is the usage percentage of CPU is calculated?
Maybe this is a dumb question. Hope the geeks here won't feel tedious.... ;)