COMPUTER FUNDAMENTALS

Detailed explanation-1: -Read-only memory (ROM) is a type of non-volatile memory used in computers and other electronic devices. Data stored in ROM cannot be electronically modified after the manufacture of the memory device.

Detailed explanation-2: -ROM refers to every chip storing permanent data and instructions. Firewall contains permanently written data, instructions, or information. A PROM chip is a blank ROM chip onto which a programmer can write permanently. EEProm chip allows a programmer to erase the microcode with an electrical signal.

Detailed explanation-3: -Read-only memory, or ROM, is a type of computer storage containing non-volatile, permanent data that, normally, can only be read, not written to. ROM contains the programming that allows a computer to start up or regenerate each time it is turned on.

Detailed explanation-4: -ROM (Read Only Memory) is nonvolatile: data stored in ROM maintains integrity after loss of power. A computer Basic Input Output System (BIOS) Firmware is stored in ROM. While ROM is “read only, ‘’ some types of ROM may be written to via flashing, as we will see shortly in the “Flash Memory” section.