Lub luag hauj lwm ntawm lub cim xeeb

Nco yog qhov tseem ceeb ntawm cov khoos phis tawj (PCs, microcontrollers). Tsis zoo li kev xaiv sab nraud, nco yog ib qho uas ua tau nyeem thiab sau cov haujlwm hauv tsheb npav; Nco tsis yog siv los ua cov ntaub ntawv chaw rau khoom. Except for a small number of essential programs in operating systems that reside in memory, the programs we commonly use, such as Windows, Linux and other system software, including typing software, game software and other application software, although they store a large amount of data, including program code, on external storage devices such as tapes, disks, CDs, and portable drives, any data in external storage can only be truly used by transferring it into memory. Cov lus qhia (los ntawm sab nraud cia, nas tsuag, microphone, scanner, thiab lwm yam tso zis, sau ntawv mus rau sab nraud cia, thiab lwm yam) hauv lub computer tsuas yog ua kom tiav los ntawm kev nco.