What is Programmable read-only memory?
[[File:ROMchip.jpg|thumb|right|A PROM chip in a [[Personal digital assistant|PDA]]]] '''Programmable Read-Only Memory''' ('''PROM''') is a type of [[read-only memory]] (ROM) that can be [[Computer programming|programmed]] directly by the user using a special PROM programmer. It is a control memory in which stored information can be altered, but not as easily as in ordinary memory. A PROM that is able to be erased and rewritten is called an [[EPROM]] (standing for erasable programmable read-only memory). A PROM that is able to erased and rewritten only using electricity is called an [[EEPROM]] (standing for electrically erasable programmable read-only memory). {{tech-stub}} [[Category:Computer memory]]