Question

why rom is known as rom​

Answer 1

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ROM, which stands for read only memory, is a memory device or storage medium that stores information permanently. It is also the primary memory unit of a computer along with the random access memory (RAM). It is called read only memory as we can only read the programs and data stored on it but cannot write on it.

Answer 2

Answer:

The term ROM, meaning read only memory, was originally used to refer to memory that can be only read and not written. In these ROMs, the data is physi.cally encod.ed in the circuit, so it can only be programmed during fabrication of the ROM chip. Original ROMs used combinational logic to embed content in the circuit.