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These traditional chips store services that are nonvolatile, meaning the information doesn't disappear when you turn your computer off.
ROM chip
once you store information on a ROM chip you cannot change it.
What is BIOS?
basic input/output services. Its software routines burned onto the system ROM of a PC. any software that directly controls a particular piece of hardware
Modern motherboards use this type of ROM. Its also called the system ROM chip.
Flash ROM
you can update and change it by "flashing the ROM"
ROM chip that stores the system BIOS
system ROM
Programs stored on ROM chips--flash or any other kind of ROM chip are known what?
firmware
programs stored on erasable media are collectively called software
What two types of hardware of hardware does the system BIOS support?
Hardware that never changes like a keyboard. Hardware that might change from time to time like RAM(you can add more of it)
What does the complementary metal-oxide semiconductor(CMOs) chip store?
It stores data that is read by the BIOS to complete programs needed to talk to changeable hardware.
acts like a clock to keep the current time and date. also built
into the south bridge.
How much do most CMOs chips store?
64kb
It only uses around 128 bytes
What program built into the system ROM enables you to access and modify CMOs data?
CMOs setup program/ system setup utility
What two companies control 99% percent of the BIOS business?
American Megatrends(AMI) and Phoenix/Award Technologies.
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