Chii chinonzi Manyiminya Disc? CD-ROM nemotokari, Laser nezvimwe Manyiminya discs

Hwedu tiri zvakasimba akasiyana siyana date kubudiswa uye amatura. Munguva kure yapfuura aidhindwa bepa yamabhuku. Ndezvipi ano nhau?

Optical ngarurege: nhoroondo yokusika

Mudziyo kuchengeta maCD okutanga zvinoberekwa Sony shure muna 1979. Rinomiririrwa, sezvo zvino, mapurasitiki Disc ane raundi buri pakati. Pakutanga raishandiswa chete pakunyora okuteerera, uye mashoko pamusoro payo yaiiswa imwe nzira Coding Pulse Code Kusiyanisa. It iri chokwadi kuti rugwaro kana kurira inopfuura nomunyika analoginen-kuti-digitaalinen convert uye vagotendeuka kuva iine matomu.

Gare gare, muna 1982, Germany yakatanga vakawanda kugadzirwa maCD. Vari kutenga kuchengeta dzakasiyana-siyana mafaira. Nokukurumidza, vakanga vari echiShinto kwete chete mumhanzi muzvitoro.

Sei akaronga CD? Zvigadziko kushandiswa mukugadzira 1,2-millimeter ukobvu polycarbonate bwendefa 120 mm dhayamita, iyo wokutanga zvemapuranga ane mutete rukoko nesimbi (goridhe, aruminiyamu, sirivha uye zvichingodaro. D.), Zvino varnish. Kuti ruzivo rinoshandisirwa simbi iri muchimiro Makomba (indentations) extruded pamwe zononoka nzira. Kuverenga mafaira zvakanyorwa pamusoro Manyiminya dhisiki, It kunoitika achishandisa Laser danda rine wavelength ane 780 nm. It zvinoratidzwa kubva pemvura ndiro, izvozvo alters Pasika uye kusimba wakawira Makomba. Kweretesa ainziwo nemaburi Makomba. Step akarekodhwa riri akamonyoroka iri vanenge 1.6 microns.

Mhando Manyiminya discs

Kune mhando dzakawanda CD: Compact Disc (CD), Digital-chinja Disc (DVD), Blu-ray Disc (BD). Vose vane yakasiyana vanokwanisa kunyora ruzivo. Somuenzaniso, DVD-discs anobudiswa vanokwanisa kubva 4.3 kusvika 15.9 GB, uye CD - 900 chete MB.

Zvinonzi zvakare kusiyaniswa kurekodha discs multiplicity: kuroorwa uye vakawanda. In nhau dzakadaro zvakasiyana akaumbwa rokuyamura maumbirwo muhunza. Overwrite kutsikisa zvinogoneka kunokwana makemikari zvinhu kuti pasi zvinoitwa Laser anodzima uye kuchinja reflectivity. Zvakafanana parlance, izvi anonzi kutsva.

Chimwe Manyiminya Vezvenhau dzingasiyana fomu. Zvakaumba maCD (Kuchinjwa CD) dzinowanzoshandiswa mumabhizimisi zvinotizorodza vachengeti dzemakaseti okuteerera nemavhidhiyo mafaira. Vanouya chero chimiro (square, muchimiro ndege kana mwoyo). Kuzvishandisa CD-ROM Zvifambiso haana varumbidzwa nekuti vanogona atsamwira panguva pamatunhu aimhanya.

CD-ROMs vavo mhando

Optical ngarurege CD-R ari mutakuri ruzivo, iro verenga-chete. Nyora mafaira kwachiri, unogona kamwe chete pasina kodzero aongorore uye append. Pakutanga inogona discs izvi zvasvika MB 650 chete kana maminitsi 74 kuti ekuteerera. Zvino kuwanikwa namano kuti chinogona kutakura 900 MB emashoko. Zvakanakira kuti kuverenga chinotsigirwa zvose tichienzanisa CD.

In zvakafanana okuyeuka uye Laser ane CD-RW, chete mafaira pairi, unogona kunyora akawanda nguva (kusvika 1000 nguva). Kuti aite izvi, kushandisa mutemo ekombiyuta. The marapirwo ndechokuti havasi mano zvose zvagadzirwa kushanda urongwa ichi. CD-RW vane zvishoma anodhura pane CD-R.

MaCD ane makaseti okuteerera nemavhidhiyo havatakuri chero dhigirii yokudzivirirwa, vanogona kuva kutevedzerwa uye kuburitswa. Asi nhau pamwe chaiyo Data kuti kopi kudzivirira StarForce rwokugadzira.

ROM discs zvakanyorwa fekitari uye unogona chete kuridza shure mashoko. Edit motokari izvi hazvibviri. Asi Manyiminya RAM-mhando mudziyo anogona rewritten kusvika 10,000 nguva, uye vakashumira kusvika makore 30. discs aya akaita okuwedzera cartridges, kuverenga kwavo haritsigiri kwakajairika Zvifambiso.

DVD-vatakuri vavo unhu

Digital-chinja Disc ndiye digital multi-chinangwa chekuchengeta svikiro. Chimiro charo denser uye rine zvakawanda (anosvika 15 GB). Kwakadaro Manyiminya dhisiki afanane glued pamwe maviri CD. Storage uye kuverenga hombe bhuku ruzivo zvinogoneka achishandisa tsvuku Laser, iro wavelength izvo zviri 650 nm uye izvo pamwe vaifanira kusanganiswa aperture. DVD-discs vane mumwe kana vaviri kunyora divi, uyewo imwe kana mbiri kushanda akaturikidzana kurutivi rumwe norumwe. zviratidzi izvi kusarudza kwairo.

Sezvinoita CD-discs, DVD akakamurwa zvinogona akawanda. DVD-R kana DVD + R ndiye mutakuri, izvo zvinogona chete kamwe akanyorwa mashoko. pamusoro discs izvi, achinyora mureza yakanga yakataurwa Pioneer muna 1997. "Kubvisa" uye "pamwe" mano akasiyana mifananidzo tichifungisisa rukoko uye chinokosha chokuguma.

Optical Discs DVD RW (DVD + RW, DVD-RW) vanokwanisa rewritable vezvenhau. Uye "pamwe" vezvenhau unokubvumira kuchinja anodikamwa kunzvimbo iri nokungwara kwako. Zvifambiso Universal kukubatsira kugadzirisa dambudziko kusapindirana ose zvinogona (+ RW uye -RW).

Chii-ray Player Blu ari Disc?

Izvi kwakadai Manyiminya ngarurege unokubvumira kuchengeta uye kunyora digitaalinen Data pane mukuru arambe achirema. Nokuti rinozvibereka ruzivo (kunyange yakakwirira tsanangudzo vhidhiyo) kushandisa yebhuruu Laser danda pa 405 nm, izvo nhete miviri zononoka njanji. Files kuti vari pedyo zvikuru mumwe, muri kubatwa zvokuimba kukuvadza, saka kuti nemotokari inokosha hanya. Recently kugadzirwa motokari pamwe unhani chaiyo inogona chakamboitika ane yakaoma jira dzose.

Kune Blu-ray discs kuraswa uye reusable kurekodha, uye multi-rukoko (2 kusvika 4 akaturikidzana). Inokwana "laminate" keriya rinosvika 128GB. Saka ane mwero 12-cherata dhayamita. Two-rukoko mureza Blu-ray Disc akabata kusvika 50 GB emashoko. In budiriro iri mudziyo kunosvika inokwana 300-400 GB, izvo zvinogona verenga Zvifambiso ano. Nokuti Video Makamera anoshandiswa duku dhayamita disks (80 mm) pamwe chekuchengeta inokwana 15 GB.

Nokuti vadzivirirwe Blu-ray kopi vakapakata digitaalinen mvura inoratidza ROM-Mako uye zvigadzirwa fanira Managed Kopa.

Chinangwa MiniDVD-nevezvenhau

Optical vezvenhau Mini DVD kopi diki kwakajairika Digital-chinja Disc. Iye 8 masendimita ari dhayamita uye rinoshandiswa makamera uye camcorders. Single madziro Disc anogona kuchengeta kusvika 1,4 GB pamusoro data, ukuwo, mbiri-nzira - 2.8 GB. On pamanyorerwo ivo MiniDVD-R (nyora kamwe) uye MiniDVD-RW (vakawanda).

Standard 12-padiki nemotokari haina chinangwa nokuda Mini DVD kuverenga. Kana kushandisa discs kudaro Laptop kuiswa chokurukisa tikachirega injini. Dzimwe nguva pane matambudziko kuverenga mutakuri mashoko. Kazhinji Muzviitiko zvakadaro, kombiyuta anoratidza mashoko "kwete akawana mutyairi kuti Manyiminya tikachirega." Kuti vagadzirise dambudziko, bvunza ane ruzivo programmer.