Transcription: When you wake up in the morning, your brain remembers who you are. I'm not sure I want to know. Checks to see how you feel. If it's Monday, I know I don't want to know. And gets ready to face the day. Not. Something a little more successful happens when you turn on your PC. Yeah, only without the morning breath. Enough. In your PC, this is called the post or power on self-test. When you hit the on switch, the power supply fires a burst of current that wakes up the processor and tells it to look for startup instructions. Those instructions are found in the chips of RonBias, the read-only memory ...