What does Boot code mean?

Boot code meaning in Computer Science Dictionary

Boot signal is actually "instructions" which can be run by some type of computer when it's starting up. The boot signal helps the pc prepare the machine for running and working an operating system, but boot signal is usually perhaps not operating-system certain. Boot code is operate from a hard drive if not directly from a pc CPU (if integrated into the silicon). Without boot code, a pc would perhaps not start up precisely, whenever.