What Is Bios in Simple Words?
Contents Bios, in Full Basic Input/Output System, Computer Program That Is Typically Stored in Eprom and Used by the Cpu to Perform Start-up Procedures When...
BIOS, in full Basic Input/Output System, computer program that is typically stored in EPROM and used by the CPU to perform start-up procedures when the computer is turned on. Its two major procedures are determining what peripheral devices (keyboard, mouse, disk drives, printers, video cards, etc.)
What is BIOS and its function?
BIOS (basic input/output system) is the program a computer’s microprocessor uses to start the computer system after it is powered on. It also manages data flow between the computer’s operating system (OS) and attached devices, such as the hard disk, video adapter, keyboard, mouse and printer.
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Why do we need BIOS?
In a nutshell, computer devices need BIOS to perform three key functions. The two most critical ones are initializing and testing hardware components; and loading the Operating System. These are essential to the start-up process. … This enables OS and application programs to interact with I/O devices.
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