From David Bolton,
Your Guide to C / C++ / C#.
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Definition: Read Only Memory (ROM) is computer memory that can permanently store data and applications within it. There are various types of ROM with names like EPROM (Eraseable ROM) or EEPROM (Electrically Eraseable ROM).

Unlike RAM, when a computer is powered down, the contents of the ROM are not lost. EPROM or EEPROM can have their contents rewritten by a special operation. This is called 'Flashing the EPROM' a term that came about because ultra violet light is used to clear the contents of the EPROM.

Glossary:

A B C D E F G H I J K L M N O P Q R S T U V W X Y Z

Also Known As: Read Only Memory

Alternate Spellings: EPROM, EEPROM

Examples: A new version of the BIOS was flashed into the EPROM