/pedantic ROM - Read Only Memory - programmed at the time of manufacture. EPROM - Erasable Programmable Read Only Memory (AKA UVEPROM because they could be er

/pedantic ROM - Read Only Memory - programmed at the time of manufacture. EPROM - Erasable Programmable Read Only Memory (AKA UVEPROM because they could be erased using UV light over a period of time, and they had a quartz window to admit the UV.) EEPROM - Electrically Erasable Programmable Read Only Memory. IIRC it required a special device to erase. It's been a while since I worked with this stuff but I don't ever recall hearing it called flash.