ROM Types

ROM CLASSIFICATION

•1.PROM (Programmable Read only Memory)

Basically a blank ROM chip that can be written only

once

2.EPROM (Erasable Programmable Read only Memory).

you can erase the ROM by shining a special ultraviolet light.this will erase whole data on the rom chip.

3. EEPROM (Electrically Erasable Programmable Read

Only Memory

data can be erase by electrical signal, this will not

erase whole data..we can select the data going to be

delete.