What Programmable Read-Only Memory?

A programmable read-only memory (PROM) is a form of digital memory where the setting of each bit is locked by a fuse or antifuse. (eFUSEs can also be used) It is one type of read-only memory (ROM). The data in them are permanent and cannot be changed.

What is programmable read only memory used for?

PROM is a way of allowing a user to tailor a microcode program using a special machine called a PROM programmer . This machine supplies an electrical current to specific cells in the ROM that effectively blows a fuse in them. The process is known as burning the PROM .

What is read only memory in TLE?

Pronounced rahm, a read-only memory (ROM) is a computer memory on which data has been pre-recorded. ... Unlike main memory (RAM), ROM retains its contents even when the computer is turned off. ROM is referred to as being non-volatile, whereas RAM is considered volatile.