A computer’s basic input/output system (BIOS) is a program that’s stored in nonvolatile memory such as read-only memory (ROM) or flash memory, making it firmware. The BIOS (sometimes called ROM BIOS) ...

A computer's basic input/output system—or BIOS—lives in a small chip on the motherboard, and manages the most basic instructions that operate your computer. It allows the PC to power on, boot into an ...