Question

What is PROM ? (NCERT Class 11th)

Answer 1

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Programmable read-only memory

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

Answer 2

PROM Short for Programmable Read-Only Memory.

Explanation:

• PROM (programmable read-only memory) or programmable ROM is a computer memory chip that can be programmed once it has been built. After the PROM has been programmed, the written material is permanent, and cannot be erased or removed.
• Unlike RAM, when the device is turned off PROMs retain their content. You need a special tool called a PROM programmer or PROM burner to write the data onto a PROM chip.
• PROM was created in 1956 by Wen Tsing Chow. PROM chips have numerous uses including mobile phones, consoles for video games, RFID tags, medical devices, and other electronics.