DASD, hais tias DAZ-dee ( Kev nkag ncaj qha rau khoom), yog ib lo lus dav dav rau cov khoom siv sib nqus disk. Lub sij hawm muaj keeb kwm tau siv nyob rau hauv lub mainframe thiab minicomputer (mid-range computer) ib puag ncig thiab qee zaum siv los xa mus rau hard disk drives rau cov computers.
Dab tsi yog qhov txawv ntawm DASD thiab daim kab xev?
A cov ntaub ntawv ntawm DASD tuaj yeem nkag mus yam tsis tas yuav tsum nyeem los ntawm kev cuam tshuam cov ntaub ntawv los ntawm qhov chaw tam sim no, thaum nyeem lwm yam uas tsis yog cov ntaub ntawv "tom ntej" ntawm daim kab xev yuav tsum skipping dhau cuam tshuam cov ntaub ntawv, thiab xav tau lub sijhawm ntev kom nkag mus rau qhov chaw nyob deb ntawm qhov nruab nrab.
Dab tsi yog DASD ntim?
DASD ntim yog siv rau khaws cov ntaub ntawv thiab cov haujlwm ua haujlwm tau (nrog rau lub operating system nws tus kheej), thiab rau kev khaws cia ua haujlwm ib ntus. … Cov ntaub ntawv teev tuaj yeem nyob ntawm hom ntaus ntawv, ntim cov naj npawb, thiab cov ntaub ntawv teev npe. Cov qauv no tsis zoo li cov ntoo ntaub ntawv ntawm UNIX® system.
Lub ntsiab lus ntawm DASD hauv computer yog dab tsi?
Direct access storage devices (DASDs) yog tsau lossis tshem tau cov khoom cia. Feem ntau, cov khoom siv no yog rotating disk drives lossis cov khoom hauv lub xeev disks. Cov cuab yeej khaws cia ruaj khov yog ib qho khoom siv khaws cia uas tau teev tseg thaum lub sijhawm teeb tsa los ua ib feem tseem ceeb ntawm qhov system DASD.
DASD thiab Sasd yog dab tsi?
+1. Sequential Access Storage Device (SASD) yog khoos phis tawj cia khoom uas nws cov ntsiab lus nkag mus tau raws li, tsis hais ncaj qha. Piv txwv li, daim kab xev tsav yog SASD, thaum lub disk drive yog Direct Access Storage Device (DASD).
