Ike info DVD-ROM

Ikekwe ugbu a ọ gaghị ekwe omume izute nwoke na-agaghị ejide a CD. Nso nso, na media kpọrọ nyefere ha ọnọdụ n'ihi na-arụsi ọrụ ike iwebata ihe technologically elu draịva dabeere na ihe siri ike-ala ebe nchekwa. O sina dị, ọ bụghị ma n'ụzọ zuru ezu ịhapụ discs bụ na o siri ike amamihe. DVD ike zuru ezu na-echekwa na ọtụtụ ndị na programmụ na multimedia faịlụ. Manufacturers na-egosi na onye ọrụ nwere ike iji 4.7 GB. N'ezie, maka DVD mbanye kacha data ike nke 4,38 GB, nke nwere ike kọwara dị iche na usoro nke ngụkọta oge. Taa, anyị na-ekwu okwu banyere Digital vasatail Disc technology na obibi na nuances nke ịgbakọ olu nke media.

Nsogbu na nkọwa

Okwu DVD, ihe ijuanya, adịghị enwe ihe doro nnọọ anya nyopụta. Nke a technology e mepụtara iji dochie ot CD CD, ike nke nke na-esiwanye na-aghọ ezughi oke. Ná mmalite DVD anọchi Digital Video Disc (Digital Video Disc). Otú ọ dị, mgbe e mesịrị ọ bịara doo anya na ọ bụ ike idekọ bụghị naanị movies, ma ndị ọzọ na faịlụ. Nke a bụ ihe mere na ụfọdụ ndị malitere itinye ụfọdụ pụtara na okwu, nke pụtara DVD Digital vasatail (vasatail) Disc. N'ozuzu, ma ndị ziri ezi decryption.

Site na-amụba ego nke dị

Ọ esesịn a kwuru na DVD-discs dochie na CD, nke bụ ezughị ike. Iji na-agụ ihe e dere digital data n'elu, ọ dị mkpa iji tinye a mkpa laser doo ya. The mbanye ngwa n'ihi na nke a kpọmkwem unit na-emejuputa atumatu, esịnede radiating mmewere na-elekwasị anya usoro. Isi ihe dị iche n'etiti ìhè doo eji maka ịgụ na ide data, bụ na ọ bụ coherent, mgbe ahụ, e nwere nnọọ ndiduọ lekwasịrị anya. Nke a na-enye ohere nta kpochapụ mmetụta nke diffraction phenomena na nnyonye anya nke ìhè mmiri na ebili mmiri. Na-emepe emepe ọkọlọtọ CD dị n'oge miniature okporo ọkụ emitters abụghị enwe ike ike a zuru ezu warara doo, ka obosara nke tracks na a diski metal isi bụ banyere 1.6 microns. Mgbe e mesịrị, ihe ọkaibe ìhè-emitting diodes e mepụtara, doo nke bụ ya mere mkpa na obosara nke track ike belata ọkara. N'ihi ya, ihe ọmụma na ikike nke DVD-ROM bụ ọtụtụ ugboro elu karịa yiri oke CD. Ọzọkwa na track obosara, na ọ bụ ike ịgbanwe n'ebe dị anya therebetween, na nke nke olulu.

"Achicha" nke diski

The ike nke a DVD-ROM na-ekpebisi ike site na ọ bụghị nanị na n'elu-e kwuru akụkụ na nhazi nke laser doo ya. Kere dị media, nke na, n'eziokwu, jikọtara multiple diski a otu ngwaahịa, ma na-ọkọlọtọ akụkụ. Dị otú ahụ multi-oyi akwa compacts nwere ike jiri ya tụnyere a Sanwichi. Na mmepụta a na-adịghị eji naanị ya, mmadụ abụọ ụzọ, ma ndokwa nke mere na a na-agụ laser doo na-aga kpamkpam site na translucent elu. Ha olu ruru 8,54 GB. The kacha ike nke DVD-diski, onye n'obosara bụghị 12, na nke 8 cm, bụ 5,32 GB. Structurally, mbanye nwere ike abụọ emitters, ọ bụla nke na-elekwasị anya na ya omimi (n'elu). E nwere ụdị na otu nnukwu osisi, nke ejisie n'ilekwasị anya ngwá electronic. Ozi DVD ike nwere ike ịbụ ukwuu ọbụna mgbe na-eji na-akpọ abụọ-ala ngwọta. Hibere, ọ bụ a mgbe nile CD, ma na-agụ / dee bụ omume si n'akụkụ abụọ, nke na ọtụtụ ndị draịva chọrọ na-atụgharị ụgbọala. DVD-ike diski dị mgbanwe bụ site 9.4 GB (otu oyi akwa bilateral) to 17.08 (anọ n'ígwé, Ndekọ na abụọ). Otú ọ dị, ndị a "achịcha" na-adịghị ọtụtụ-eji n'ihi na elu na-eri nke mmepụta na mkpa nnọọ anya na-emeso ha dị ka nwetụrụ ọkọ pụrụ iduga enweghi ike na-agụ data si akpata n'ígwé.

retaining ọmụma

The RAM dabeere diski technology ina kpo oku elu na a laser doo ya. Ha mma bụ ike ịrụ na formatting na a maara faịlụ usoro abụba-32, na bibiri ihichapụ faịlụ. Structurally, ndị a discs na-enịm ke pụrụ iche cartridges, nke enwekwu ha pụrụ ịdabere. Theoretically, ma ọ bụrụ na ị na-ewepụ ndị DVD-RAM nke ahụ, ọ nwere ike na-arụ ọrụ na ya na a mbanye họpụtara dị ka Multi. Nke a bụ a pụtara pụrụ ịdabere na ngwọta. Ozi ikike DVD nke ụdị bụ site 1,46 GB (otu kwadoro otu-oyi akwa, 8 cm) na 9.4 GB (bilateral). The okwu RAM pụtara na rewriting na ahụ kwere omume. The acronym nwere ike sụgharịrị dị ka "Random Access Memory". N'ezie, nke a na ụdị diski na-eji maka data nkwado ndabere na mpaghara na tupu mmalite nke ọzọ media bụ oké ngwọta. Karịsịa mgbe kwuru oge nke nchekwa (banyere 30 afọ) na ọnụ ọgụgụ nke overwrite cycles (karịa 100 puku.). Mwepu - dịtụ elu na-eri na ala-agbasa.

na Video

Ndị na-esonụ mkpebi - bụ DVD-Video. Ndị a discs na-e idekọ multimedia iyi. Kwuru na dị ka «DVD-1 ... 18". Anọ mbụ - mgbanwe na-ebelata n'obosara (8 cm megide ọkọlọtọ 12). Weere ochie DVD-5, site na nke nwere ike na-ahuta ka 4.7 GB (otu kwadoro). Ntem, karịa ike nke DVD a, Atiya bụ 17,08 GB (DVD-18, abụọ n'akụkụ, anọ n'ígwé). Ebe ọ bụ na oke video Player eji mfe n'ilekwasị nkanka iji belata na-eri nke mmepụta, ọ bụghị ihe niile ụdị ndị na-agụ a nnukwu ego nke discs. Isịneke - otu-oyi akwa abụọ-kwadoro, n'ihi na nke na mkpa iji tụgharịa diski na drive. Ha mwepu bụ enweghị ohere maka labelụ, otú ahụ aha na-gosiri na uzo akụkụ, na-esote Central onu.

dee Ozugbo

Ntoputa nke draịva ike nke na-arụ na-ndekọ nke digital data ka diski n'ụlọ, na-eme ka a ezigbo mgbanwe ke ubi nke ndabere na kasị dị ugbu a film n'ọbá akwụkwọ. DVD + -R mbụ rere enweghị ndekọ. The nwe a pụrụ iche mbanye nwere ike ịzọpụta na diski ozi ọ bụla digitized. Agba mirror-acha anụnụ anụnụ tint na violet region nke ụdịdị dị iche iche. Ike DVD nke ụdị bụ site 4.7 GB (otu oyi akwa na otu akụkụ) na 17,08 Gb. The olu na-adabere, ọ dị na mbụ, ọnụ ọgụgụ nke n'ígwé na ntụziaka. Ma, n'ihi na nke kwesịrị ekwesị price atumatu kasị n'ọtụtụ ebe na mfe compacts na 4.7 GB. Na mbụ, ihe ndekọ e nwere ike ime naanị na-enyemaka nke na kọmputa draịva, ma ugbu a, ohere a nwere otutu video egwuregwu na ike ga-echekwara na a TV nnyefe draịva. "-" The nsogbu nke bụghịkwa «+» R maka a ogologo oge nọgidere gara aga na isiokwu anaghị atụle.

multiple odide ala

gara aga ụdị diski oghom doro anya - ha nwere ike ghara re-ndekọ, ihichapụ data. Iji dozie nsogbu a a na chọrọ bụ fundamentally dị iche iche discs, a na-akpọ DVD + -RW. Ha ga-eji nke fọrọ nke nta ka a nkịtị disk drive. The okwu RW pụtara Rewritable, i.e. rewritable. Ike DVD nke klas a bụ otu ihe ahụ dị ka nke "ndị nkịtị» R. Otú ọ dị bilayer adịkarịghị akp n'ihi mkpa iji nweta a pụrụ iche mbanye, ike na-arụ ọrụ dị otú ahụ na diski. Ke adianade do, rewritable ngwọta na-achọ ịkpachara anya njikwa ya, na mgbagwoju anya nke ha imewe pụtara na ndị a discs n'ezie nwere ịfụ anya ájá. A random scratches n'elu ike imeli na-agụ ozi si ala n'ígwé. N'ihi ya, "kpochapụwo" - ọ bụ otu-oyi akwa otu kwadoro diski. The n'elu agba dịgasị iche n'ebe isi awọ na nke nta nwa. The ọnụ ọgụgụ nke dee cycles eze bụ banyere a puku ole na ole, ma na omume ndị dị otú ahụ a diski, ị nwere ike dee ruo 50-100 ugboro. Ma mgbe ahụ ka oge na-nchekwa pụrụ ịdabere na-ebelata. Ya mere, DVD-RW na-adabara na-adịghị adịte nchekwa na iga. Ịdekọ unit nwere ike ịbụ dị na mbụ. N'otu oge ahụ na-eji Windows usoro nwekwara ike na-arụ ọrụ dị ka a nkịtị mbanye (na-agụ / dee aka ike faịlụ). Otú ọ dị, n'ihi na eziokwu na ọkọlọtọ rewritable diski adịghị ekwe ka ịzụlite elu na-agba, na-emekarị nwere dozie maka ugboro anọ, hà 5.5 MB.

ndekọ feature

Ọkọlọtọ DVD ike nwere ike ubé karịa. Nke a na-enweta site n'iji ụzọ na-mpaghara. Overburn ọrụ ga-akwado site na ngwaọrụ. Ọ nwere ike na-arụ ọrụ na a na-ewu ewu Nero software site na ịga na "Nhọrọ - Expert Njirimara". Anyị adịghị ike ikwu iji nke a mma na-enweghị oké mkpa, ebe ọ bụ na o kwere omume na ihu na-enweghị ike na-agụ na diski na mbanye, adịghị arụ ọrụ na Overburn.

Dị ka gbakọọ olu

Ọtụtụ kọmputa nwe nwere ogologo chọpụtara na a CD ike idekọ ego nke ọmụma, nke a na-egosi site na emeputa. N'ezie, ọ dịghị n'ịghọ aghụghọ ule na ebe a. Dị nnọọ ụgbọala emepụta maka ahịa ihe mere kwere na 1 KB 1000 bytes, ma n'ezie na 1024 (kwem abụọ na iri ogo). Na-abawanye na ọnụ ọgụgụ na-eto eto na progression. Ya mere, a ọkọlọtọ DVD-ROM na-enịm ọzọ "n'eziokwu" 4,38 GB.