Keeb kwm
Daim npav nyeem ntawv tau tsim los ua haujlwm nrog cov koob yees duab digital, tab sis lawv siv tau nthuav dav dhau lub koob yees duab digital mus rau ntau qhov chaw.
Raws li lub npe qhia, daim npav nyeem ntawv yog lub cuab yeej rau kev nyeem cov ntaub ntawv, tab sis nws kuj tuaj yeem sau cov ntaub ntawv. Nws thawj zaug tsim yog feem ntau los them rau cov kev txwv ntawm cov ntaub ntawv lub koob yees duab digital tso zis. Vim hais tias USB interfaces tsis tau dav nyob rau hauv thaum ntxov hnub, cov koob yees duab digital txuas nrog lub computer serial ports. Txij li thaum serial chaw nres nkoj cov ntaub ntawv hloov ceev ceev yog tsawg heev, luam cov ntaub ntawv mus rau ib tug hard drive yuav siv sij hawm ib tug tseem ceeb npaum li cas ntawm lub sij hawm. Yog li ntawd, daim npav nyeem ntawv tau tsim. Txoj kev loj hlob ntawm cov khoom siv digital xws li MP3 players thiab PDAs ntxiv rau kev txhim kho ntawm daim npav nyeem ntawv. Tus qauv 256MB lossis 512MB flash nco hauv MP3 players yog qhov tsis txaus rau peb cov kev xav tau. Yog li ntawd, ntxiv 1GB lossis ntau dua ntawm flash nco tau dhau los ua tus qauv coj ua. Txawm li cas los xij, kev theej MP3 nkauj rau lub cim xeeb flash yuav tsum muaj MP3 player, uas yuav tsum tau tshwj xeeb cables, tsav tsheb, thiab software. Qhov no txo qhov kev txav ntawm lub MP3 player. Siv daim npav nyeem ntawv, txawm li cas los xij, tshem tawm qhov xav tau ntawm MP3 player; nkauj tuaj yeem khaws cia ncaj qha rau ntawm lub cim xeeb flash, ua rau MP3 players yooj yim dua.
Qhov xwm txheej tam sim no
Daim npav nyeem ntawv kuj tau siv dav rau kev khaws cov ntaub ntawv txawb. Nyob rau hauv cov hnub thaum ntxov ntawm cov computers, ob peb floppy disks tau txaus los luam cov software uas nquag siv. Ib qho floppy disk tau txaus rau DOS system, thiab ntau qhov kev ua si me me tuaj yeem khaws cia rau ntawm ib qho chaw floppy disk. Floppy drives, raws li tus qauv tsav cov cuab yeej, yeej ua tau raws li tib neeg cov kev xav tau cia rau kev ua haujlwm thiab kev kawm. Tom qab ntawd, nrog rau kev txhim kho ntawm computer technology, tshwj xeeb tshaj yog cov kev taw qhia ntawm lub qhov rais operating system, software loj hlob exponentially. Tus qauv 1.44MB floppy disk lub peev xwm txaus ntshai yog woefully tsis txaus rau cov behemoths. Qhov kev thov rau loj- muaj peev xwm cia tau ua rau muaj kev muaj koob meej ntawm "loj- peev" cia li xws li hard disk drives, optical drives, thiab ntau yam compressed cia li. Tsis tas li ntawd, cov neeg tau txais txiaj ntsig los ntawm kev ua haujlwm mobile xav tau lub teeb yuag, portable "portable" cia li nrog cov ntaub ntawv loj khaws cia. Yog li ntawd, ntau yam khoom siv sab nraud kuj nce ntxiv, pib nrog ZIP drives thiab tom qab ntawd sab nraud hard drives. Txawm li cas los xij, lawv qhov loj me tseem tsis me txaus, ua rau lawv tsis yooj yim nqa mus ncig.
Tam sim no nrov USB flash drives, xws li Langke USB flash drive, Luwen Easy Flash drive, thiab Aigo Mini King, integrate USB maub los thiab flash nco nti, uas ua rau ib tug heev compact loj thiab yooj yim loj - muaj peev xwm hloov ntaub ntawv. Txawm li cas los xij, cov khoom no kuj kim heev, thiab tus nqi koj them rau lawv tsis pheej yig. Siv daim npav nyeem ntawv thiab daim npav nco tuaj yeem muab cov txiaj ntsig zoo ib yam li USB flash drive. Cov ntawv cim xeeb feem ntau tuaj hauv CF thiab SM hom, ob qho tib si siv flash nco chips thiab dav siv hauv MP3 players, digital koob yees duab, PDAs, thiab lwm yam khoom siv. Thaum daim npav nco tau muab tso rau hauv USB daim npav nyeem ntawv, nws tseem ceeb ua haujlwm raws li lub zog hluav taws xob portable. Cov phaib lub teeb yuag thiab yooj yim flash nco no dhau los ua peb qhov yooj yim portable cia nruab nrab, thaum daim npav nyeem ntawv yog cov khoom siv yooj yim tshaj plaws rau kev sib pauv cov ntaub ntawv nrog cov flash nco phaib. Lawv qhov kev ua tau zoo yog piv rau USB flash drive, thiab lawv qhov loj me kuj tseem me. Tsis tas li ntawd, qhov kev sib xyaw ua ke no muab kev nthuav dav zoo heev. Tus nqi nco daim npav poob tas li; Yog tias koj xav tau kom muaj peev xwm ntxiv rau yav tom ntej, koj tuaj yeem yuav daim npav nco ncaj qha, uas yuav pheej yig dua li qhov puv -fledged electronic hard drive ntawm tib lub peev xwm. Ntxiv mus, yog tias koj yuav lub koob yees duab digital lossis MP3 player tom qab, daim npav nco tuaj yeem siv ncaj qha, tiv thaiv koj cov peev txheej.
