a piece of software that is used in a computer or portable device such as a smartphone to start up the operating system. It's also referred to as a 'boot manager'Your PIN or password pr [..]

Low-level software that runs right when a device is powered on. It is responsible for loading the the operating system (OS) software, which in turn manages general operation as well as all other softw [..]

This special software code is stored in non-volatile memory inside a microprocessor.  It interfaces with a PC for downing the user’s program.

Special software code stored in non-volatile memory in a microprocessor that can interface with a PC to download a user’s program. Also see Firmware.

boot loader|lang=en