The crossword solution for the term PERSONAL ACCOUNTS, BRIEFLY is BIOS. BIOS stands for Basic Input/Output System and is a type of software that is used to control the basic functions of a computer. It is responsible for booting up the computer, managing hardware and providing an interface between the operating system and the hardware. BIOS is stored in a chip on the motherboard and is typically updated periodically to ensure that the computer is running optimally.