Rom types

ROM is non-volatile memory chip in which data is stored permanently.usual programs cannot alter this data. In fact, storing data pemanently into this kind of memory is called "burning in a data" because data in such memory is stored by using fuse links. Once we burn fuse-links for some data, it is called permanent. We can only read data stored in rom chip.

its types

1. PROM
2. EPROM
3. EEPROM
4. UVEPROM