Where is system BIOS typically located?

The system BIOS (Basic Input/Output System) is typically located on the motherboard. This small piece of firmware is essential for the system's startup process, as it initializes hardware components and begins the process of loading the operating system. The BIOS resides in a non-volatile memory chip on the motherboard, allowing it to retain its settings even when the computer is turned off.

Other locations mentioned, such as the hard drive or external storage devices, do not host the BIOS because these components are primarily used for data storage rather than providing the foundational instructions required for booting the system. The CPU, while a critical part of the computing process, does not store the BIOS; instead, it executes the instructions initiated by the BIOS during the boot sequence. Placing the BIOS on the motherboard ensures that it is readily accessible to the CPU immediately after power-on, facilitating a smooth and efficient startup.