Basic Input Output System

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King computing, BIOS (/ˈbaɪɒs, -oʊs/, BY-oss, -⁠ohss; Basic Input/Output System, alayang kilala bilang System BIOS, ROM BIOS, BIOS ROM o PC BIOS) metung yang firmware a gagamitan para magbigay serbisyo king runtime para kareng operating systems at mga programa at para magperform ning hardware initialization durante king booting process (power-on startup). Ing BIOS firmware atyu keng pre-installed king metung a IBM PC o sistemang compatible ning IBM PC at atin yang makanyan kareng UEFI-based systems para magpanatili ning compatibility kareng operating systems a e susuporta king UEFI native operation. Ing lagyu atin yang mula king Basic Input/Output System a ginamit king CP/M operating system king 1975. Ing BIOS a orihinal a proprietary para king IBM PC atin nang reverse engineered da reng aliwang kumpanya (kagaya ning Phoenix Technologies) a miriung mag-create ning compatible systems. Ing interface ning orihinal a sistemang iyan agagamit para maging de facto standard.