What is ROM (Read Only Memory) ? &
Types of ROM.
ROM (Read Only Memory )
ROM stands for Read Only Memory.
It is called ROM in short. The data and
instructions present in this memory are
permanent. Due to which they can only be
read, but it is not possible to convert them
into data and instructions. Due to the
stability of data and instructions, the
information filled in this chip is preserved
even when the power supply of the
computer is turned off, that is, ROM is
non-volatile memory.
Types of ROM
□ PROM (Programmable Read Only Memory)
□ EPROM (Erasable Programmable Read Only Memory)
□ EEPROM (Electrical Erasable Programmable Read Only Memory)
□ UVEPROM (Ultra Violet Erasable Programmable Read Only Memory)
* PROM(Programmable Read Only)
It is an abbreviation for PROM or
Programmable read Only Memory. It is a
memory in which information is stored
permanently with the help of a program.
P ROM memory can also be filled by the
program only once. Like ROM, it is also
permanent and cannot be changed later.
* EPROM(Electrically Programmable Read Only)
It is the abbreviation for Erasable
Programmable Read Only Memory. It
is a P ROM memory that can be
reprogrammed. Its information is kept
constant by the electric current kept in
the chip itself. The information in an EP
ROM can be erased by using ultraviolet rays.
* EEP ROM(Electrically Erasable Programmable Read Only)
It is an abbreviation for Electrically
Erasable Programmable Read Only
Memory. This is an EP ROM that does not
need to be removed from the circuit and
sent to the manufacturer for
reprogramming. It can be programmed in
the computer itself with the help of a
special software or program. It usually
contains information related to the
configuration of the computer.
* UVEPROM (Ultra Violet Erasable Programmable Read Only Memory)
UVEPROM is also another type of ROM. In
which data can be read / write by some
Ultra Violet and It is called (UVEPROM) to
record the information of other data in it.
Read More:
Output device and his types define and pictures.
 ? & Types of ROM. ){kind=link}
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