What is BIOS? BIOS stands for ____ Input ____ System BIOS is identified as a group of programs, which are solidified to the ____ (read-only memory unit, which ____ allow for ____) chip of a computer’s ____. BIOS is where the most basic yet ____ input and output programs of a computer, system ____, and self-triggered programs are ____. BIOS is ____, which is used to perform ____ initialisation during the ____ process, furthermore, it also provides runtime services for ____ systems and programs. Any changes that a user is willing to do in the BIOS ecosystem must be executed ____, as incorrectly inputting data into the ____ could lead to the computer ____ booting at all. The same applies to upgrades that a user wants to do on the BIOS. The ____ must make sure that the BIOS they are upgrading to, is compatible to the computer system which they have. Otherwise, if the BIOS is not ____, then this could potentially ____ the BIOS system, which means that the computer wont be able to ____. What is ROM? ROM stands for ____ Only ____ Read only memory is mainly used in a PC to store the tiny ____ operating ____ called the ____. The BIOS data is flashed to the ____ chip when the motherboard is ____ and does ____ change for it’s entire lifetime (hence the term Read Only). If you want to ____ the BIOS, you need to ____ the ROM chip. The BIOS is ____ for doing a system ____ check before the system starts to make sure all the ____ devices are ____. Once it has completed the check it ____ up the ____ system.Why is ROM needed in a computer system? ROM is needed for devices where programs or data must not be ____ when the ____ is turned ____ or batteries are ____.

BIOS and ROM

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