When power is completely removed from your computer.?

When power is completely removed from your computer, all active processes and data in volatile memory (RAM) are lost, leading to potential data loss if unsaved work hasn't been saved to a non-volatile storage device. The operating system shuts down, and any running applications cease to operate. Upon restoring power, the computer will require a boot-up sequence, and it will load the operating system and applications from the hard drive or SSD. Any settings or unsaved changes made during the last session will need to be restored manually.