Imbonakalo laser disc yokuqala

Ngelo xesha, imbonakalo laser disc wokuqala ufana revolution. Iya revolution ngokwenene entsimini yesixhobo yokugcina. Imbonakalo laser disc yokuqala kwemiqathango lahlulwe amanqanaba kuphuhliso zobugcisa computer ibe "phambi" yaye "emva" CD.

Kutheni kubaluleke kangaka? Ngokomzekelo, ngoku athotyiweyo kukho drives Blu-Ray, drives kwimidiya yangaphandle ngokusekelwe flash memory okanye ushicilelo magnetic, Noko ke, malunga naziphi uyothuka kungekho namnye uthetha. Eyona nto kukuba ngelo xesha lakalokunje, kukho uphuhliso yendalo yendaleko zobugcisa. abasebenzisi abaninzi unendaba kancinci kangakanani le hard drive ye computer ekhaya - 2 okanye 3 terabytes, logama nje kungekho iinkqubo ezinjalo, nto leyo iza kufuna ukuba umthamo omkhulu kangaka. collection MP3 okanye iifayile imovie mayigcinwe na ifolda disc: zonke ngokwaneleyo kuba zonke lomqulu free. Xa wenze isicelo - oku kuyinyaniso ukuba umsebenzisi avareji.

Imeko yayahluke kakhulu xa kwakukho imbonakalo laser disc yokuqala. Ngelixa ezingundoqo abathwali ulwazi baba drives (hard disks) , kuleyo bhetyebhetye ngemagnethi. ngokusekelwe magnetic ulwazi idrayivu yediski ebhetyebhetye yayiphelela ukuya kwi 1,44 MB lwe data. Kakade ke, kukho imifuziselo phambili enesakhono MB ukuya kwi 2,88 kunye nezinye izisombululo kunye mgaqo wokubhalwa - Iomega Zip kunye Jazz (ukuya kwi-750 MB ngexesha kwelanga Standard) Noko ke, ngenxa yexabiso eliphezulu le drives kunye abathwali ngokwabo asiqhenqethanga ngokwaneleyo. Ubungakanani zonke iinkqubo landa, ngoko ke akukho namnye uyamangala ukuba ugqithiso lwedata kwaba yimfuneko ukuba usebenzise omnye kodwa eziliqela diskettes. Ingakumbi drive umthamo nzima akwanelanga, kuba kwabonakala iinkqubo ngakumbi nangakumbi ukuba uthanda ukugcina. Branch emkhenkceni ilindele into entsha ukuba bakwazi ukucombulula le miba.

Ngelo xesha kummandla zirekhodiwe waba nangoku. Nazo zonke iimpazamo zabo eziqhelekileyo, kube yimfuneko ukuze ulungise intloko yokufunda; Ukukhethwa Ipeyinti zemagneti (chrome, intsimbi); mechanism wokucoca Yokutshayelela Periodic; inkxamleko zokuhamba kunye nokugcinwa (mhlaba otsalayo zingonakalisa ukurekhoda). Imbonakalo laser disc yokuqala kuconjululwa ngempumelelo zonke ezi ngxaki: technology kwikhompyutha iye kunokwenzeka ukugcina bakhutshelwe ukusuka kwenye ikhompyutha ukuya ininzi kakhulu (650 - 900 MB) ze data, uze urekhode ihlabathi unayo balo medium jikelele, inazo neengxaki iitheyiphu ancamisayo nabo kumgangatho umsindo.

Ukuza kuthi ga asikwazi ngokuqiniseka okunene owavela CD. Sele iyinto eyaziwayo acinga ukuba ngo-1979 waphuhliswa iinkampani ezimbini ezinkulu - Philips kunye Sony. Kwiminyaka emithathu kamva, imveliso ubunzima CD kunye nezixhobo ezinxulumene noko zokufunda iye yamiselwa. Kwangaxeshanye, ngamanye amaxesha uyakwazi ukufumana ngoluvo lokuba i-CD yaqanjwa yamachiza D. uRussell ngo-1971 njengendlela eyenye imifanekiso yakhe iirekhodi IVinyl, ekuqaleni-ekuthanda.

Nazi ezinye iinyani ezinika umdla ezinxulumene-CD:

- Disc Ubukhulu 12 cm wakhethwa hayi ngengozi. Sony Iinjineli ayekholelwa ukuba ezaneleyo 100 mm, njengoko oku kwenza isixhobo ukufunda compact ngakumbi. In Philips uluvo lokuba ubukhulu kufuneka ilingane i cassette oxwesileyo (115 mm).

- Njengoko usekela-mongameli we Sony, Norio yankee wayekholelwa ukuba disc kufuneka ngokupheleleyo ukuhlalisa uBeethoven kaThixo weThoba Symphony (imizuzu 74 of isandi), nto leyo iguqulelwe data digital wayenza 650 MB.

- Ngo-1980, ubukhulu CD ekugqibeleni yavunywa yi iinkampani, yi-12 cm.

- Ukususela 2000 700MB (imizuzu engama-80) ntlobo indawo phantse ngokupheleleyo osi-650MB. Kungekudala bekukho 800 kwaye nkqu 900 idiski MB, kodwa kusasazwa abayifumanayo.