That's because they all said "uh-huh, I understand" at some point although they didn't.
BIOS = bootstrap CODE that resides in a ROM, PROM, EEPROM or (today) FlashROM chip.
"CMOS" = (in a PC) refers to the battery-backed super-low-power CMOS technology SRAM that hold's the BIOS's settings.
BIOS = bootstrap CODE that resides in a ROM, PROM, EEPROM or (today) FlashROM chip.
"CMOS" = (in a PC) refers to the battery-backed super-low-power CMOS technology SRAM that hold's the BIOS's settings.