It refers to a type of computer memory that stores data permanently. A ROM memory chip contains hard-wired instructions that you can't change. It's also nonvolatile, which means it retains its ...

and it’s often that the lucky ROM-equipped hacker doesn’t own such tools. Now, you could mail the chip to someone else, but postal services in many countries are known to be UDP-like — lossy ...

Things were more laid back in the 1970s and ’80s, when code was stored unencrypted in standard EPROM chips, or, for high-volume applications, in mask ROMs integrated in microcontrollers.