When not using the computer, "sleep", "standby" or "shutdown" is better? Because computers are often needed, many children will choose not to turn off the machine in order to reduce the operation of turning it on and off. But in the long run, will it cause damage to the computer? Will it affect the life of the computer? Should the computer be turned off after an hour or two lunch break? What if I just leave for a while? "Sleep", "Standby" or "Shutdown"? When we are not using the computer, how to do it in three modes of "sleep", "standby" and "shutdown"