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BIOS what-is-bios-on-computer-696x348-1 (Function of BIOS (It also manages…
BIOS 
Meaning of BIOS
BIOS is basic input/output system.The bios is a program stored in a read only memory(rom) chip that the cpu automatically loads and executes when it receives power.
most bios chips are 64k in size, though there is 384k address space available for the bios to use.
Function of BIOS
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Bios is what controls what drives the computer boots from, gives a basi readout of fan speeds and processor temperature
BIOS (basic input/output system) is the program a personal computer's microprocessor uses to get the computer system started after you turn it on.
BIOS is a program that is made accessible to the microprocessor on an erasable programmable read-only memory (EPROM) chip.
With BIOS, your operating system and its applications are freed from having to understand exact details (such as hardware addresses) about the attached input/output devices.
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WHY BIOS IS USED
The main function of the bios is to manage the data flow between computer's operating system and attached devices like hard disk ,keyboard, mouse and etc.
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