read-only memory (ROM)A memory chip from which data can only be read by the CPU. The CPU may not store data to this memory. The advantage of ROM over RAM is that ROM does not require power to retain its program. This advantage applies to all types of ROM chips; ROM, PROM, EPROM, and EEPROM. Related category COMPUTERS, ARTIFICIAL INTELLIGENCE, AND CYBERNETICSAlso on this site: Encyclopedia of Alternative Energy & Sustainable Living Encyclopedia of History |