No, it is not "safe". There's a possibility of data corruption if open programs close unexpectedly.
I think you are referring to booting a computer. Pressing the power switch is part of the boot-up process.
POST - in computing terms - stands for Power On Self Test. It's a series of diagnostic and analytical programs that auto-start when you switch on your computer.
On a personal computer there is a power switch on the FRONT , a power switch on the BACK ( rocker switch ) and also make sure the computer power cord is properly connected ( to the back of the computer and the electrical outlet / power bar
The steps to switch on a computer begin with making sure that the computer and its peripherals are plugged into an electrical outlet. Turn the power switch on the electrical outlet and press the power button on the computer tower. Turn on the computer monitor and wait for the computer system to start up.
He is turning it on by pressing the power button.
A power window relay switch relays the power from the car's battery, to the switch itself, and then to the window motor. When pressing the button inside of the car it allows the power to go from the relay switch to the motor and roll the window up or down.
You flip the on-off switch. It may be a button, or a knob.
Power.
normally the power button :)
FreeDOS is a free and open-source reimplementation of MS-DOS. FreeDOS will run virtually all MS-DOS programs, and has some improvements in memory usage and power management (it can shut the computer down without you pressing the power button).
Just turn it on with the power switch.
if your asking how to turn on the computer then i would say probably pressing the on button. or holding the power button til it turns on.