ROM stands for Read Only Memory. ROM is a permanent memory even when you shutdown the computer, the configuration in ROM will remain in memory, the primary purpose of ROM is to tell the computer whenever it starts that how you run the operating system in RAM, it tells the computer about boot sequence, at start up, it checks the hardware, this is a permanent memory in computer, but you can upgrade it by changing the chip physically, but you can also upgrade firmware through software.
ROM
ROM stands for Read Only Memory. ROM is a permanent memory even when you shutdown the computer, the configuration in ROM will remain in memory, the primary purpose of ROM is to tell the computer whenever it starts that how you run the operating system in RAM, it tells the computer about boot sequence, at start up, it checks the hardware, this is a permanent memory in computer, but you can upgrade it by changing the chip physically, but you can also upgrade firmware through software.
