Khoos phis tawj ua
Lub tshuab hlwb hlau yog cov khoom siv ua haujlwm uas txhais tau cov lus thiab coj ua. Nws tseem hu ua chav ua haujlwm nruab nrab lossis CPU. Nws yog lub hauv nruab nrab hlwb ntawm lub tshuab hlwb hlau. Nws yog qhov sib piv rau cov txheej txheem thiab cov khoom siv sib tw hu ua khoom siv, xws li ntaus ntawv, tso saib, Disks, daim kab xev tsav, thiab lwm yam yog cov khoom siv. Txhua hom ntawm cov tseev tsim muaj cov tshwj xeeb teeb tsa ua haujlwm, uas tuaj yeem raug hu ua txheej txheem cov txheej txheem kev qhia, xws li kev cia khoom, thauj khoom, thiab lwm yam yog tag nrho cov haujlwm ua haujlwm. Cov tsim qauv khoos phis tawm nyiam hu cov koos pij tawj koos pij tawj, yog li cov ntawv qhia qee zaum hu ua tshuab cov lus qhia, thiab cov lus binary hauv cov lus qhia no yog hu ua tshuab lus. Lub chaw ua khoom siv hauv nruab nrab (Askiv Lub Tsev Hauv Cheeb Tsam Kev Ua Haujlwm, CPU) yog lub hauv paus ua haujlwm thiab kev tswj hwm qhov tseem ceeb ntawm lub koos pij tawj.