What is the relation between what is in the ROM memory and Windows or any operating system?

Cache memory is there in the ROM which help to store the temporary system files needed by windows

the realation ship between rom and windows or o.s   , when manufacturures are made rom and fix certiain bootable files on it that help the operating system to start  . manufacturer made rom by collecting the all suitable fiie store in rom compatable with the O.S .  when you are loading a operating system  that helps o.s to installing the o.s .

Memory in the computer is the hard disk, it will help you in the biggest load is capable of loading As for

العلاقة هي إختلاف نظام التشغيل الموجود في الزاكرة rom l من الشركة المصنعة لنظام الـbios مثل شركة intel aword او del os