ROM (Read-Only Memory)

Read-Only Memory (ROM) is a type of computer storage that contains data permanently written during manufacturing. Unlike regular storage, this data can't be modified or erased easily, making ROM ideal for storing essential instructions, like the computer's startup programs. When you turn on your device, it reads from ROM to initialize hardware and load the operating system. Because the information in ROM remains intact even when the power is off, it provides a reliable way to store critical system data securely and permanently.