ROM chips that are installed on the motherboard contain programs that were burned into that ROM, that allow the CPU to communicate the with various devices attached to the motherboard. In contrast to ROM, a RAM chip loses it’s contents when the PC’s turned off.
ROM stands for Read Only Memory, and this kind of chip retains it’s contents even if the system is powered off. To enable our CPU to communicate with other devices on our motherboard, we implement a special chip on the motherboard called a ROM chip. Key terms: device, chip, cpu, memory, parameter, motherboard, battery, post, load, data, power, address, software, firmware Objectives: Learn the difference between BIOS and CMOS.