Computers, Cov khoom
Vim li cas tsis yog qhov computer saib
Tsis muaj leej twg rau koj tus kheej lub computer yuav ua tsis tau tsis muaj cov qhov tso zis ntaus ntawv duab - saib. Tsis ua hauj lwm ntawm ib lub suab card, tus tsav rau kev nyeem ntawv CDs thiab txawm tus nas nrog lub keyboard tsis yog tus neeg siv frightening li qhov teeb meem no thaum tsis ua hauj lwm computer saib.
Nyob rau hauv no tsab xov xwm peb yuav sib tham txog cov feem ntau cov teeb meem nyob rau hauv lub monitor thiab muab tswv yim pom zoo rau lawv tshem tawm. Dub screen - qhov no yog tsis yog ib tug yog vim li cas rau panic thiab xav hais tias cov saib tsis ua hauj lwm. Heev feem ntau qhov teeb meem "rau ntawm qhov chaw" thiab yooj yim rau ko nyob rau hauv tsev. Tiam sis ua ntej, cia peb taw tes tawm nyob rau hauv dab tsi mob tseem ua tsis tau tsis txhob mus rau lub chaw muab kev pab. Cov "tiag tiag" kev puas tsuaj, qhov zoo ces, kuj tsis tshua muaj.
Tag nrho cov niaj hnub saib nrog LCD cov ntxaij vab tshaus yog radically txawv los ntawm lawv cov predecessors rau lub hauv paus ntawm ib tug CRT (cathode txoj sab ci hlab). Lub txo loj thiab nyhav - nws yog cia li "ntxeev ntawm lub iceberg", vim hais tias nws tau hloov lub qauv hauv paus ntsiab lus. Cov duab yog tsim nyob rau hauv thiaj li hu ua matrix, uas yog ib daim teb los ntawm ib tug loj tus naj npawb ntawm me me transistors polarized kua muaju thiab cov kev tswj Circuit Court. Heev feem ntau, lub matrix nws tus kheej yog OK, tab sis nws tsis tshwm sim yog hais tias lub saib tsis ua hauj lwm (dub screen). Qab lub pob tshab matrix pov tseg nyob rau hauv lub tsev nyob illumination teeb, uas lub tsim duab yuav pom. Qhov tseeb qauv ntawm cov yaj yog nce hloov los ntawm LED units. Yog hais tias tus saib tsis ua hauj lwm, nws yuav tsum puas, qhov no backlight unit. Nyob rau hauv qhov kev nws yog ib qho yooj yim los hloov, nws yeej muaj tseeb, nws yuav ua tau mus txog rau 1/3 ntawm tus nqi ntawm cov saib.
Lub systematic siv ntawm tej hluav taws xob khoom ntawm kom (ntau tshaj li 240) los yog tsawg (tsawg tshaj li 200V) voltage yuav ua rau nws tawm los ntawm lub system. Nyob rau hauv saib lub ntsiab tsim txom ntog rau hauv fais fab mov, thiab nws kuj yuav puas ntsoog. Yog hais tias koj muaj teeb meem nrog kev nyuaj siab yuav tsum muaj xws li electronics los ntawm ib tug tsis siv stabilizer. Tus so ntawm lub txhaum yog kev thiab ntau rarer.
Yog li ntawd yog vim li cas tsis ua hauj lwm tus saib? Muaj ntau computers muaj kev graphics. Tab sis txij li thaum nws ua tau zoo yog cov neeg pluag, feem ntau tau ntau haib discrete thiab tso rau hauv lub PCI-Express qhov rau lub motherboard. Ces cia li hloov lub cable los ntawm tus saib mus rau lub computer yog tsis txaus. Nws yog tsim nyog nyob rau hauv lub BIOS yuav xaiv ib tug uas tsim nyog tso zis ntaus ntawv, los yog qhov kev tshuaj ntsuam yog tsaus, nws yuav pab raws li ib lub ntees rau tshaj tawm hais tias lub saib tsis ua hauj lwm.
Tej zaum cov chaw tsim tshuaj paus installs ob peb connectors: lub DVI, . D-Sub, thiab lwm yam Nyob rau hauv tas li ntawd mus cable yog kev cob cog rua kom zoo, koj yuav tsum xaiv nyob rau hauv cov zaub mov nyob rau hauv lub monitor rau hauv lub xav tau qhov twg los. Cov - ib tug DVI, Analog - D-Sub. Nrog tus tshiab HDMI thiab Muab Chaw nres nkoj teeb meem no yog zoo sib xws.
Lub cable yuav tsum tau securely xauv rau hauv lub connector, txwv tsis pub lub feem ntau txawm tshaj plaws uas yuav tshwm sim - qhov no xim distortion, thiab qhov phem tshaj - kev puas tsuaj rau lub card. Tsis hu nyob rau hauv lub connector tej zaum yuav ua ib tug maub screen. Qhov no kuj yog qhov mob ntawm lub cable: kev puas tsuaj yuav tsum tsis txhob yuav.
Nyees khawm toggle keyboards rau cov niaj hnub khoom ntsia tsawg zaus. kov-rhiab nyees khawm yog siv nyob rau hauv saib. Qhov no khawm yog vim logic uas tsis yuav tig tawm. Tus neeg siv thiab tsis paub yog vim li cas nws nyiam saib mus tsaus ntuj nti. Lub hwj chim khawm, nias thiab tuav nyob rau hauv lub xeev no ib tug me ntsis ntev tshaj li ib txwm.
Tej saib tsuas qhia ib daim duab ua los ntawm lub digital Pib ntsais koj teeb ntawm lub computer. Yog hais tias qhov kev puas tsuaj yog tsis muaj dab tsi los qhia video screen yuav tsis tau. Koj yuav tsum tau xyuas nrog lwm daim.
Yog hais tias lub hwj huam qaum los ntawm lub phab ntsa tso pa (rau cov qauv nrog built-nyob rau hauv fais fab mov unit) yog tsis tso rau hauv lub connector, tus saib tsis ua hauj lwm. Koj yuav tsum tau xyuas qhov zoo ntawm kev sib cuag.
Esdi mam li nco dheev rabtaet saib, muaj ntau ntau yog vim li cas, thiab lawv muaj tag nrho cov yeej tshem tawm.
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