Mostly all electronic devices that use logic circuits must contain a BIOS system. Your cloths washer contains a microprocessor or a microcontroller (Which is simply a combination of Microprocessor with some other chips like A/D converter and so on), this washers' little computer contains a BIOS.
The control unit of your car contains a BIOS, modern elevators contain a BIOS, traffic lamps on streets contain a BIOS, anything using Logic circuits need a BIOS which contains the rules of the logic of the device