Muuqaalka disc ugu horeysay laser

Isla mar, muuqaalka kore ee disc ugu horeysay laser wuxuu u ekaa kacaan. Waxaa run ahaantii waxay ahayd kacaan dhab berrinkii qalab kaydinta. Muuqaalka disc ugu horeysay laser keeneysa la kala qaybsan heerarka kala duwan ee horumarka of technology computer galay "ka hor" iyo "ka dib" CD.

Waa maxay sababta ay ahayd muhiim u tahay? Tusaale ahaan, hadda on sale waxaa jira drives Blu-Ray, drives warbaahinta dibadda ku salaysan xasuusta flash ama duubista magnetic, si kastaba ha ahaatee, oo ku saabsan naxdinta leh wax ka mid ah ma ku hadlaa. Waxa ugu waa in wakhtigan la joogona waxaa jira horumar dabiici ah evolutionary of technology. users Most daryeeli kari lahaa wax ka yar inta drive adag in computer guriga a - 2 ama 3 terabytes, ilaa iyo inta ma jiraan barnaamijyada sida, taas oo u baahan sida mugga weyn. MP3 ururinta ama files movie si ammaan ah lagu kaydin karaa folder kasta on disc: oo kulligeedna ku filan oo dhan mug isku mid lacag la'aan ah. Marka dhigi Boos - taasi waa run, waayo, user celceliska.

Xaaladda ahayd arrin oo kala duwan marka waxaa jiray muuqaalka kore ee disc ugu horeysay laser. Iyadoo aasaasiga ah sidayaal macluumaad ahaayeen drives (saxannada adag) , diskette magnetic dabacsan. ku saleysan macluumaadka drive disk kumbiyuutarka magnetic ilaa qaban kari waayeen inay 1.44 MB xogta. Dabcan, waxaa jiray daydo sare oo qaadi kara ilaa 2,88 MB iyo xalalka kale oo la mabda'a isku mid ah wax lagu qoro - Zip Iomega iyo Jazz (ilaa 750 MB markii ugu qorrax caadiga ah), si kastaba ha ahaatee, ay sabab u tahay qiimaha sare ee drives iyo sidayaal ah iyaga qudhooda ku filan oo ayan sii faafin. size ee barnaamijyada oo dhan, si aan ninna waa yaabin haddii iibsiga xogta ahayd lagama maarmaan in la isticmaalo mid ma laakiin dhowr kumbuutarka. Gaar ahaan awoodda drive adag kuma filna, maxaa yeelay waxa ay u muuqatay barnaamijyo iyo aad u badan in aad jeclaan lahayd si ay u sii. Laanta dhegtay la eegaayo in wax cusub in xal u heli karo arrimahan.

Isla mar ahaantaana ku dilay beertii of cajalado maqal ah weli boqor ku ahaa. Iyada oo qabsoomi oo dhan caan ah, waayo, kaasu waa baahida loo qabo in la qabsato madaxa akhrin ah; doorashada ee blaastiigga magnetic (chrome, bir); farsamo broaching nadiifinta wareegsan; carqalad ah ee gaadiidka iyo kaydinta (field magnetic dhaawici karta qoraalka). Muuqaalka disc ugu horeysay laser si guul xalin dhan ah dhibaatooyinkan: in technology computer waxa uu noqday suurtagal ah in ay ku kaydiso oo lagu wareejiyo mid ka mid computer si ay u tiro badan (650 - 900 MB) xogta, iyo qoraalana dunida ay wax uga qabato dhexdhexaad ah universal, wax garad ka mid ah cajalado darrada iyo iyaga sarraysa ee tayo dhawaajiyaan.

Ilaa hadda ma sheegi karno iyadoo la hubo kuwaas oo run ahaantii been abuurtay CD ah. Waxa guud ahaan la aqbalay opinion in ay 1979 horumariyo laba shirkadood oo waaweyn - Philips oo Sony. Saddex sano ka dib, wax soo saarka mass of CDs iyo qalabka la xiriira akhriska ayaa la aasaasay. Isla mar ahaantaana, mararka qaarkood waxaad ka heli kartaa caddaynta in CD la Been abuurtay by jirka D. Russell 1971 sida lagu beddelan karo in uu ururinta xogta vinylalkohol, xoq-nugul.

Halkan waxaa ku qoran qaar ka mid ah xaqiiqooyinka xiiso leh ee la xiriira CDs ah:

- Size cajalid 12 cm aan loo doortay by fursad. Sony Injineerro rumeysan yahay ku filan in 100 mm, maadaama ay tani ka dhigaysaa qalabka akhriska more isafgaradka. In Philips fikir ah in size waa in loo siman yahay si cajalka dadab (115 mm).

- Sida Madaxweyne ku xigeenka ee Sony ah, Norio Oga rumeysan yahay in disc waa in ay si buuxda u meel Beethoven ee Ninth Symphony (74 daqiiqo codka), kaas oo lagu turjumay xogta digital waxaa 650 MB sameeyey.

- In 1980, tirada CD ugu dambeyntii ogolaaday by shirkadaha, waa 12 cm.

- Tan iyo 2000 700MB (80 daqiiqo) noocyo ku dhowaad gebi ahaanba bedelay dhigooda 650MB ay. Soon waxaa jiray 800 iyo xitaa 900 oo cajaladood MB, laakiin qaybinta mass ay heleen.