me nj\u00eb nd\u00ebrprer\u00ebs l\u00ebviz\u00ebs ishte realizuar mbrojtja nga rip\u00ebrpunimi (m\u00eb par\u00eb, p\u00ebr t\u00eb bllokuar mund\u00ebsin\u00eb e rip\u00ebrvet\u00ebsimit, duhet t\u00eb mbyllej hap\u00ebsira kontrolluese me ngjit\u00ebs).<\/li>\n<\/ul>\n\nKlasika e p\u00ebrjetshme \u2014 disketa 3,5 in\u00e7 Sony<\/i><\/p>\n
N\u00eb p\u00ebrputhje me kompakt\u00ebsin\u00eb, disqet 3.5-in\u00e7in kishin gjithashtu nj\u00eb kapacitet shum\u00eb m\u00eb t\u00eb lart\u00eb krahasuar me paraardh\u00ebsit e tyre. Disqet m\u00eb t\u00eb avancuara 5.25-in\u00e7 t\u00eb densitetit t\u00eb lart\u00eb, q\u00eb u shfaq\u00ebn n\u00eb vitin 1984, ruanin 1200 kilobajt t\u00eb dh\u00ebnash. Megjithat\u00eb, modeli i par\u00eb i disqeve 3.5-in\u00e7 kishte kapacitet 720 Kb dhe ishte n\u00eb k\u00ebt\u00eb drejtim identik me disqet 5-in\u00e7 t\u00eb densitetit kat\u00ebrfish; gjithsesi, n\u00eb vitin 1987 u shfaq\u00ebn disqe t\u00eb densitetit t\u00eb lart\u00eb me 1.44 MB, dhe n\u00eb vitin 1991 \u2013 disqe t\u00eb densitetit t\u00eb zgjeruar, q\u00eb ruanin tashm\u00eb 2.88 MB t\u00eb dh\u00ebnash.<\/p>\n
Disa kompani b\u00ebn\u00eb p\u00ebrpjekje p\u00ebr t\u00eb krijuar disqe edhe m\u00eb t\u00eb vogla (p.sh., Amstrad zhvilloi disqe me diamet\u00ebr 3 in\u00e7, t\u00eb cilat u p\u00ebrdor\u00ebn n\u00eb ZX Spectrum +3, dhe Canon prodhoi disqe t\u00eb specializuara me 2 in\u00e7 p\u00ebr regjistrimin dhe ruajtjen e videos kombinuese), por ato nuk e gjet\u00ebn kurr\u00eb vendin e tyre. Megjithat\u00eb, n\u00eb treg filluan t\u00eb shfaqen pajisjet ekstern q\u00eb ishin ideologjikisht shum\u00eb m\u00eb af\u00ebr ruajt\u00ebsve modern\u00eb.<\/p>\n
Kuti Bernoulli nga Iomega dhe \u2018klikimet e vdekjes\u2019.<\/h2>\n \nSikurse e th\u00ebn\u00eb, volumet e disqeve ishin shum\u00eb t\u00eb vogla p\u00ebr t\u00eb ruajtur grumbuj mjaft t\u00eb m\u00ebdhenj t\u00eb informacionit: sipas standardeve moderne, ato mund t\u00eb krahasohen me flash drive t\u00eb nivelit fillestar. Por \u00e7far\u00eb mund t\u00eb quhet n\u00eb k\u00ebt\u00eb rast analogji e nj\u00eb disku t\u00eb jasht\u00ebm t\u00eb ngurt\u00eb apo nj\u00eb ruajt\u00ebsi SSD? M\u00eb s\u00eb miri p\u00ebr k\u00ebt\u00eb rol p\u00ebrshtatet produkti i kompanis\u00eb Iomega.<\/p>\n
Pajisja e tyre e par\u00eb, e prezantuar n\u00eb vitin 1982, ishte kutia e njohur Bernoulli (Bernoulli Box). Pavar\u00ebsisht kapacitetit t\u00eb madh p\u00ebr at\u00eb koh\u00eb (pajisjet e para kishin kapacitet 5, 10 dhe 20 MB), pajisja origjinale nuk pati popullaritet p\u00ebr shkak t\u00eb, pa e tepruar, madh\u00ebsive kolosale: \u2018disqet\u2019 nga Iomega kishin p\u00ebrmasa 21 me 27.5 cm, t\u00eb barabarta me nj\u00eb flet\u00eb letre formati A4.<\/p>\n
K\u00ebshtu dukeshin kasetat origjinale p\u00ebr kutin\u00eb Bernoulli.<\/i><\/p>\n
Dispositivet e kompanis\u00eb fituan popullaritet duke filluar nga Bernoulli Box II. P\u00ebrshtatja e kapacitetit t\u00eb ruajt\u00ebsve u arrit ndjesh\u00ebm: ata kishin nj\u00eb gjat\u00ebsi prej 14 cm dhe gjer\u00ebsi prej 13.6 cm, (e cila \u00ebsht\u00eb e krahasueshme me disqet standarde 5.25-in\u00e7, n\u00ebse nuk merret parasysh trash\u00ebsia prej 0.9 cm), nd\u00ebrsa dalloheshin me kapacitet shum\u00eb m\u00eb t\u00eb konsideruesh\u00ebm: nga 20 MB p\u00ebr modelet e linj\u00ebs fillestare deri n\u00eb 230 MB p\u00ebr disqet q\u00eb dol\u00ebn n\u00eb treg n\u00eb vitin 1993. K\u00ebto pajisje ishin t\u00eb disponueshme n\u00eb dy formate: si module t\u00eb brendshme p\u00ebr PC (fal\u00eb p\u00ebrmasave t\u00eb reduktuara ato mund t\u00eb instaloheshin n\u00eb vendin e lexuesve t\u00eb disqeve 5.25-in\u00e7) dhe sisteme ruajtjeje t\u00eb jashtme, t\u00eb lidhura me kompjuterin p\u00ebrmes nd\u00ebrfaqes SCSI.<\/p>\n
Kutia Bernoulli e gjenerat\u00ebs s\u00eb dyt\u00eb<\/i><\/p>\n
Pasardh\u00ebsit e drejtp\u00ebrdrejt\u00eb t\u00eb kutis\u00eb Bernoulli ishin Iomega ZIP, t\u00eb prezantuara nga kompania n\u00eb vitin 1994. Popullarizimi i tyre u ndihmua shum\u00eb nga partneriteti me Dell dhe Apple, t\u00eb cilat filluan t\u00eb instalonin disqet ZIP n\u00eb kompjuter\u00ebt e tyre. Modeli i par\u00eb, ZIP-100, p\u00ebrdorte ruajt\u00ebs me kapacitet 100 663 296 byte (rreth 96 MB), kishte nj\u00eb shpejt\u00ebsi transferimi t\u00eb t\u00eb dh\u00ebnave prej rreth 1 MB\/s dhe nj\u00eb koh\u00eb t\u00eb aksesit t\u00eb \u00e7rregullt q\u00eb nuk tejkalonte 28 milisekonda, ku disqet e jashtme mund t\u00eb lidhen me PC p\u00ebrmes nd\u00ebrfaqes LPT ose SCSI. Pak m\u00eb von\u00eb u shfaq\u00ebn ZIP-250 me kapacitet 250 640 384 byte (239 MB), dhe n\u00eb fund t\u00eb seris\u00eb \u2014 ZIP-750, q\u00eb kishin p\u00ebrputhje t\u00eb prapme me ruajt\u00ebsit ZIP-250 dhe mb\u00ebshtesin funksionimin me ZIP-100 n\u00eb modin legacy (nga ruajt\u00ebsit e vjetra mund t\u00eb lexohej vet\u00ebm informacioni). M\u00eb t\u00eb v\u00ebrtet\u00eb, flak\u00ebsit e jasht\u00ebm arrit\u00ebn madje t\u00eb merrnin mb\u00ebshtetje p\u00ebr USB 2.0 dhe FireWire.<\/p>\n
Disku i jasht\u00ebm Iomega ZIP-100<\/i><\/p>\n
Me shfaqjen e CD-R\/RW, krijimet e Iomega natyrsh\u00ebm ran\u00eb n\u00eb harres\u00eb \u2014 shitjet e pajisjeve filluan t\u00eb bien, duke u zvog\u00ebluar deri n\u00eb vitin 2003 pothuajse kat\u00ebr her\u00eb, dhe n\u00eb vitin 2007 ato u ndal\u00ebn plot\u00ebsisht (ndon\u00ebse likuidimi i prodhimit ndodhi vet\u00ebm n\u00eb vitin 2010). Mbase gjith\u00e7ka do t\u00eb kishte shkuar ndryshe, n\u00ebse ZIP nuk do t\u00eb kishte pasur disa probleme me besueshm\u00ebrin\u00eb.<\/p>\n
Esht\u00eb pik\u00ebrisht se si performanca mbres\u00ebl\u00ebn\u00ebse p\u00ebr ato vite sigurohej nga nj\u00eb tregues rekord RPM: disku fleksib\u00ebl kishte nj\u00eb shpejt\u00ebsi prej 3000 rrotullimesh n\u00eb minut\u00eb! Sigurisht q\u00eb e keni kuptuar tashm\u00eb pse aparatet e para u quajt\u00ebn ndryshe kutia e Bernulit: fal\u00eb shpejt\u00ebsis\u00eb s\u00eb lart\u00eb t\u00eb rrotullimit t\u00eb pllak\u00ebs magnetike, edhe rrjedha ajrore midis kok\u00ebs shkruese dhe sip\u00ebrfaqes s\u00eb saj p\u00ebrshpejtohej, presioni i ajrit binte, duke b\u00ebr\u00eb q\u00eb disku t\u00eb afronte me sensorin (ligji i Bernulit n\u00eb veprim). N\u00eb teori, kjo ve\u00e7ori duhej ta b\u00ebnte pajisjen m\u00eb t\u00eb besueshme, megjithat\u00eb n\u00eb praktik\u00eb konsumator\u00ebt p\u00ebrballeshin me nj\u00eb fenomen t\u00eb pak\u00ebndsh\u00ebm, si\u00e7 \u00ebsht\u00eb Clicks of Death \u2014<\/p>\n
Disk\u00ebt magnetooptik: HAMR n\u00eb stil retro<\/h2>\n \nM\u00eb n\u00eb fund, n\u00ebse po flasim p\u00ebr mjetet portative t\u00eb informacionit, nuk mund t\u00eb mos p\u00ebrmendim nj\u00eb mrekulli teknologjie si\u00e7 jan\u00eb disk\u00ebt magnetooptik (MO). Pajisjet e para t\u00eb k\u00ebtij lloji u shfaq\u00ebn edhe n\u00eb fillim t\u00eb viteve '80, megjithat\u00eb shperndarja m\u00eb e gjer\u00eb ndodhi vet\u00ebm n\u00eb vitin 1988, kur kompania NeXT prezantoi kompjuterin e saj t\u00eb par\u00eb t\u00eb quajtur NeXT Computer, i cili ishte i pajisur me nj\u00eb ndihm\u00ebs magnetooptik t\u00eb prodhuar nga Canon dhe mb\u00ebshteste pun\u00ebn me disqe me kapacitet prej 256 MB.<\/p>\n
NeXT Computer \u2014 kompjuteri i par\u00eb i pajisur me ndihm\u00eb magnetooptike<\/i><\/p>\n
Vet\u00ebm ekzistenca e disqeve magneto-opti\u00e7 q\u00eb e konfirmon sakt\u00ebsin\u00eb e epigrafit: megjith\u00ebse teknologjia e regjistrimit termomagnetik (HAMR) u diskutua aktivisht vet\u00ebm n\u00eb vitet e fundit, ky qasje \u00ebsht\u00eb p\u00ebrdorur me sukses n\u00eb MO p\u00ebr m\u00eb shum\u00eb se 30 vjet! Parimi i regjistrimit n\u00eb disqet magneto-opti\u00e7 \u00ebsht\u00eb i ngjash\u00ebm me HAMR, p\u00ebrve\u00e7 disa nuancave. Vet\u00eb disqet ishin t\u00eb p\u00ebrb\u00ebr\u00eb nga ferromagnetik\u00eb \u2014 aliazh q\u00eb mund t\u00eb ruaj\u00eb magnetizmin n\u00ebn temperaturat e pik\u00ebs Curie (rreth 150 grad\u00eb Celsius) n\u00eb munges\u00eb t\u00eb fush\u00ebs magnetike t\u00eb jashtme. Gjat\u00eb regjistrimit, sip\u00ebrfaqja e pllak\u00ebs ngrihej paraprakisht me lazer n\u00eb temperatur\u00ebn e pik\u00ebs Curie, pas s\u00eb cil\u00ebs njesia magnetike, e vendosur n\u00eb an\u00ebn e kund\u00ebrt t\u00eb disku, ndryshonte magnetizmin e sektorit p\u00ebrkat\u00ebs.<\/p>\n
Dallimi kryesor i k\u00ebtij qasjeje nga HAMR ishte se leximi i informacionit b\u00ebhej gjithashtu me an\u00eb t\u00eb nj\u00eb laseri me fuqi t\u00eb ul\u00ebt: rreze bli\u00e7imi polarizuar kalonte p\u00ebrmes pllak\u00ebs s\u00eb disku, reflektohej nga n\u00ebnstruktura, dhe pastaj, pasi kalonte p\u00ebrmes sistemit optik t\u00eb lexuesit, arrinte te sensori q\u00eb regjistronte ndryshimin e planes s\u00eb polarizimit t\u00eb lazerit. K\u00ebtu mund t\u00eb shohim aplikimin praktik t\u00eb efektit Kerr (efekti elektro-optik katror), i cili p\u00ebrfshin ndryshimin e indeksit t\u00eb thyerjes s\u00eb materialit optik n\u00eb proporcjonalitet me katrorin e intensitetit t\u00eb fush\u00ebs elektromagnetike.<\/p>\n
Parimi i leximit dhe regjistrimit t\u00eb informacionit n\u00eb disqet magneto-opti\u00e7<\/i><\/p>\n
Disqet e para magneto-opti\u00e7 nuk mb\u00ebshtetnin rip\u00ebrshkrimin dhe sh\u00ebnoheshin me akronimin WORM (Shkruaj Nj\u00eb Her\u00eb, Lexo Shum\u00eb), por m\u00eb von\u00eb u shfaq\u00ebn modele q\u00eb mb\u00ebshtesnin regjistrimin e shum\u00ebfisht\u00eb. Rip\u00ebrshkrimi realizohej me tre kalime: s\u00eb pari, informacioni fshihej nga disku, pastaj regjistrimi b\u00ebhej, dhe m\u00eb pas kontrollohej integriteti i t\u00eb dh\u00ebnave. Ky qasje siguroi cil\u00ebsi t\u00eb garantuar t\u00eb regjistrimit, gj\u00eb q\u00eb e b\u00ebnte MO madje m\u00eb t\u00eb besuesh\u00ebm se disqet CD dhe DVD. Nd\u00ebrsa, n\u00eb ndryshim nga disketat, mbajt\u00ebsit magneto-opti\u00e7 ishin praktikisht t\u00eb papreksh\u00ebm ndaj demagnetizimit: sipas vler\u00ebsimeve t\u00eb prodhuesve, koha e ruajtjes s\u00eb t\u00eb dh\u00ebnave n\u00eb MO t\u00eb rip\u00ebrs\u00ebritsh\u00ebm \u00ebsht\u00eb t\u00eb pakt\u00ebn 50 vjet.<\/p>\n
Q\u00eb n\u00eb vitin 1989, n\u00eb treg dol\u00ebn disqet magnetooptike me dy an\u00eb me kapacitet prej 650 MB, duke ofruar shpejt\u00ebsi leximi deri n\u00eb 1 MB\/s dhe koh\u00eb aksesimi t\u00eb rast\u00ebsish\u00ebm nga 50 deri n\u00eb 100 ms. N\u00eb fund t\u00eb popullaritetit t\u00eb MO, n\u00eb treg mund t\u00eb gjeheshin modele q\u00eb mbanin deri n\u00eb 9.1 GB t\u00eb t\u00eb dh\u00ebnave. Megjithat\u00eb, disqet kompakte prej 90 mm me kapacitet nga 128 deri n\u00eb 640 MB mor\u00ebn m\u00eb s\u00eb shumti popullaritet.<\/p>\n
Disku kompakt magnetooptik me kapacitet 640 MB i prodhuesit Olympus<\/i><\/p>\n
N\u00eb vitin 1994, \u00e7mimi p\u00ebr 1 MB t\u00eb dh\u00ebnash t\u00eb ruajtura n\u00eb nj\u00eb disk t\u00eb till\u00eb varihej nga 27 deri n\u00eb 50 cent, var\u00ebsisht nga prodhuesi, gj\u00eb q\u00eb, s\u00eb bashku me performanc\u00ebn e lart\u00eb dhe besueshm\u00ebrin\u00eb, e b\u00ebri at\u00eb nj\u00eb zgjidhje konkurruese. Nj\u00eb avantaj i shtuar i pajisjeve magnetooptike n\u00eb krahasim me ZIP ishte mb\u00ebshtetja p\u00ebr nj\u00eb gam\u00eb t\u00eb gjer\u00eb nd\u00ebrfaqesh, p\u00ebrfshir\u00eb ATAPI, LPT, USB, SCSI, IEEE-1394a.<\/p>\n
Pavar\u00ebsisht t\u00eb gjith\u00eb avantazheve, magnetooptika kishte edhe disa disavantazhe. P\u00ebr shembull, disqet nga marka t\u00eb ndryshme (dhe MO ishin prodhuar nga shum\u00eb firma t\u00eb njohura, p\u00ebrfshir\u00eb Sony, Fujitsu, Hitachi, Maxell, Mitsubishi, Olympus, Nikon, Sanyo dhe t\u00eb tjera) rezultonin t\u00eb papajtueshme me nj\u00ebra-tjetr\u00ebn p\u00ebr shkak t\u00eb ve\u00e7orive t\u00eb formatimit. Nga ana tjet\u00ebr, konsumi i lart\u00eb i energjis\u00eb dhe nevoja p\u00ebr nj\u00eb sistem shtes\u00eb ftohjeje kufizonin p\u00ebrdorimin e atyre disqeve n\u00eb laptop\u00eb. N\u00eb fund, cikli tre her\u00eb rritte ndjesh\u00ebm koh\u00ebn e regjistrimit, dhe kjo problematik\u00eb u zgjidh vet\u00ebm deri n\u00eb vitin 1997 me daljen e teknologjis\u00eb LIMDOW (Light Intensity Modulated Direct Overwrite), e cila bashkonte dy fazat e para n\u00eb nj\u00eb fal\u00eb shtimit t\u00eb magnet\u00ebve t\u00eb integruar n\u00eb kartridhet e disqit q\u00eb realizonin fshirjen e informacionit. Si rezultat, magnetooptika gradualisht e humbi aktualitetin edhe n\u00eb fush\u00ebn e ruajtjes afatgjat\u00eb t\u00eb t\u00eb dh\u00ebnave, duke i l\u00ebn\u00eb vendin streamer-eve klasike LTO.<\/p>\n
Mua gjithmon\u00eb m\u00eb mungon di\u00e7ka...<\/h2>\n \nE gjith\u00eb ajo q\u00eb u p\u00ebrmend m\u00eb sip\u00ebr ilustron qart\u00eb faktin e thjesht\u00eb q\u00eb, pavar\u00ebsisht se sa brilante mund t\u00eb jet\u00eb nj\u00eb shpikje, ajo duhet t\u00eb jet\u00eb gjithashtu n\u00eb koh\u00eb. IBM Simon ishte i destinuar p\u00ebr d\u00ebshtim, pasi n\u00eb momentin e shfaqjes s\u00eb tij, njer\u00ebzit nuk kishin nevoj\u00eb p\u00ebr mobilitetin absolut. Disket magneto-optike ishin nj\u00eb alternativ\u00eb e mir\u00eb ndaj HDD-ve, megjithat\u00eb, ato mbet\u00ebn n\u00eb duar t\u00eb profesionist\u00ebve dhe entuziasteve, pasi p\u00ebr konsumatorin e zakonsh\u00ebm n\u00eb at\u00eb koh\u00eb ishte shum\u00eb m\u00eb e r\u00ebnd\u00ebsishme shpejt\u00ebsia, leht\u00ebsia e p\u00ebrdorimit dhe, sigurisht, \u00e7mimi, p\u00ebr t\u00eb cilat bler\u00ebsi i zakonsh\u00ebm ishte i gatsh\u00ebm t\u00eb sakrifikonte besueshm\u00ebrin\u00eb. Po ashtu, ZIP-at, pavar\u00ebsisht t\u00eb gjitha avantazheve, nuk arrit\u00ebn t\u00eb b\u00ebhen me t\u00eb v\u00ebrtet\u00eb mainstream sepse njer\u00ebzit nuk d\u00ebshironin t\u00eb shqyrtonin \u00e7do disket me lup\u00eb, duke k\u00ebrkuar mbetje.<\/p>\n
Pik\u00ebrisht p\u00ebr k\u00ebt\u00eb arsye, natyra p\u00ebrzgjodhi p\u00ebrfundimisht qart\u00eb tregun n\u00eb dy drejtime paralele: mjete t\u00eb jashtme informacioni (CD, DVD, Blu-Ray), memorje flash (p\u00ebr ruajtjen e volumit t\u00eb vog\u00ebl t\u00eb t\u00eb dh\u00ebnave) dhe hard disqe t\u00eb jasht\u00ebm (p\u00ebr volumet e m\u00ebdha). Mes k\u00ebtyre t\u00eb fundit, standardi i pazhvilluar u b\u00eb modelet kompakte prej 2.5 in\u00e7 n\u00eb qesk\u00eb individuale, p\u00ebr shfaqjen e t\u00eb cilave u detyrojm\u00eb m\u00eb s\u00eb shumti laptop\u00ebve. Arsyeja tjet\u00ebr e popullaritetit t\u00eb tyre \u00ebsht\u00eb efektiviteti: n\u00ebse HDD-t\u00eb tradicionale prej 3.5 in\u00e7 n\u00eb nj\u00eb qese t\u00eb jashtme ishte e v\u00ebshtir\u00eb t'i quajm\u00eb \"portative\", nd\u00ebrkoh\u00eb q\u00eb ato k\u00ebrkonin gjithmon\u00eb nj\u00eb burim t\u00eb jasht\u00ebm energjie (n\u00eb k\u00ebt\u00eb m\u00ebnyr\u00eb, duhet t\u00eb merrni me vete nj\u00eb adaptues), maksimumi q\u00eb mund t\u00eb k\u00ebrkonin disk\u00ebt 2.5 in\u00e7 ishte nj\u00eb port\u00eb USB e \u0627\u0636\u0627\u0641ushme, nd\u00ebrsa modelet m\u00eb t\u00eb vonshme dhe m\u00eb efikase nga k\u00ebndv\u00ebshtrimi energjitik nuk kishin nevoj\u00eb as p\u00ebr k\u00ebt\u00eb.<\/p>\n
Me miniaturizimi i HDD-ve i detyrohet PrairieTek \u2014 nj\u00eb sip\u00ebrmarrje e vog\u00ebl e themeluar nga Terry Johnson n\u00eb vitin 1986. Pas vet\u00ebm tre vjet\u00ebsh nga hapja, PrairieTek prezantoi HDD-n\u00eb e par\u00eb n\u00eb bot\u00eb prej 2.5 in\u00e7 me kapacitet 20 MB, e quajtur PT-220. 30% m\u00eb kompakt n\u00eb krahasim me zgjidhjet desktop, ky disk kishte nj\u00eb lart\u00ebsi prej vet\u00ebm 25 mm, duke u b\u00ebr\u00eb opsioni optimal p\u00ebr p\u00ebrdorim n\u00eb laptop\u00eb. Fatkeq\u00ebsisht, edhe pse ishin pionier\u00eb n\u00eb tregun e HDD-ve miniatur\u00eb, PrairieTek nuk arriti dot t\u00eb fitonte tregun, duke b\u00ebr\u00eb nj\u00eb gabim fatkeq strategjik. Pas fillimit t\u00eb prodhimit t\u00eb PT-220, ata p\u00ebrqendruan p\u00ebrpjekjet n\u00eb miniaturizimin e m\u00ebtejsh\u00ebm, dhe s\u00eb shpejti lan\u00eb n\u00eb treg modelin PT-120, i cili, me t\u00eb nj\u00ebjtin kapacitet dhe karakteristika shpejt\u00ebsie, kishte nj\u00eb trash\u00ebsi prej vet\u00ebm 17 mm.<\/p>\n
Disku i fort\u00eb i gjenerat\u00ebs s\u00eb dyt\u00eb PrairieTek PT-120 prej 2.5 in\u00e7<\/i><\/p>\n
Gabimi ishte se, nd\u00ebrsa inxhinier\u00ebt e PrairieTek luftonin p\u00ebr \u00e7do milimet\u00ebr, konkurrent\u00ebt si JVC dhe Conner Peripherals po rrisnin kapacitetet e HDD-ve, dhe kjo u tregua vendimtare n\u00eb k\u00ebt\u00eb p\u00ebrballje t\u00eb pabarabart\u00eb. Duke u p\u00ebrpjekur t\u00eb arrinin trenin q\u00eb ikte, PrairieTek u p\u00ebrfshi n\u00eb nj\u00eb gar\u00eb armatimi, duke p\u00ebrgatitur modelin PT-240, i cili mbante 42.8 MB t\u00eb dh\u00ebnash dhe ishte i njohur p\u00ebr konsumimin e ul\u00ebt t\u00eb energjis\u00eb s\u00eb koh\u00ebs \u2014 vet\u00ebm 1.5 W. Por fatkeq\u00ebsisht, as kjo nuk e shp\u00ebtoi kompanin\u00eb nga falimentimi, dhe si rezultat, brenda vitit 1991 ajo ndaloi ekzistenc\u00ebn e saj.<\/p>\n
Historia e PrairieTek \u00ebsht\u00eb nj\u00eb ilustrim tjet\u00ebr i qart\u00eb se si arritjet teknologjike, pavar\u00ebsisht se sa t\u00eb r\u00ebnd\u00ebsishme duken, p\u00ebr shkak t\u00eb koh\u00ebs jo t\u00eb duhur mund t\u00eb mbeten thjesht t\u00eb pa k\u00ebrkuara nga tregu. N\u00eb fillim t\u00eb viteve '90, konsumatori ende nuk ishte i pasur me ultrabooks dhe smartphone t\u00eb p\u00ebrtej t\u00eb holl\u00eb, prandaj nuk kishte nevoj\u00eb t\u00eb ngutshme p\u00ebr disqe t\u00eb tilla. Mjafton t\u00eb p\u00ebrmendim tabletin e par\u00eb GridPad, i l\u00ebshuar nga GRiD Systems Corporation n\u00eb vitin 1989: pajisja 'portable' pesonte mbi 2 kg dhe trash\u00ebsia e saj arrinte n\u00eb 3.6 cm!<\/p>\n
GridPad \u2014 tableti i par\u00eb n\u00eb bot\u00eb<\/i><\/p>\n
N\u00eb ato koh\u00eb, nj\u00eb \"f\u00ebmij\u00eb\" i till\u00eb konsiderohej mjaft kompakt dhe i p\u00ebrshtatsh\u00ebm: p\u00ebrdoruesi p\u00ebrfundimtar thjesht nuk kishte par\u00eb ndonj\u00eb gj\u00eb m\u00eb t\u00eb mir\u00eb. N\u00eb t\u00eb nj\u00ebjt\u00ebn koh\u00eb, problemi i hap\u00ebsir\u00ebs disk ishte akoma shum\u00eb m\u00eb i mpreht\u00eb. GridPad, p\u00ebr shembull, nuk kishte hard disk: ruajtja e informacionit ishte e implementuar p\u00ebrmes \u00e7ipeve RAM, me ngarkes\u00ebn e tyre q\u00eb mbahej nga bateria t\u00eb integruara. N\u00eb sfondin e pajisjeve t\u00eb tilla, Toshiba T100X (DynaPad), e cila erdhi m\u00eb von\u00eb, dukej si nj\u00eb mrekulli e v\u00ebrtet\u00eb, thjesht p\u00ebr faktin se kishte n\u00eb bord nj\u00eb hard disk t\u00eb plot\u00eb me kapacitet 40 MB. E meta se pajisja \"mobile\" kishte trash\u00ebsi prej 4 centimetra nuk shqet\u00ebsonte ask\u00ebnd.<\/p>\n
Tableti Toshiba T100X, m\u00eb s\u00eb shumti i njohur n\u00eb Japoni me emrin DynaPad<\/i><\/p>\n
Por, si\u00e7 dihet, apetiti vjen n\u00eb ngr\u00ebnie. Me kalimin e viteve, k\u00ebrkesat e p\u00ebrdoruesve u rrit\u00ebn, dhe ishte gjithnj\u00eb e m\u00eb e v\u00ebshtir\u00eb t'i k\u00ebnaq\u00ebsh ato. Nd\u00ebrsa kapaciteti dhe shpejt\u00ebsia e mediave t\u00eb informacionit u rrit\u00ebn, gjithnj\u00eb m\u00eb shum\u00eb njer\u00ebz filluan t\u00eb mendojn\u00eb se pajisjet mobile mund t\u00eb ishin m\u00eb kompakte, dhe mund\u00ebsia p\u00ebr t\u00eb pasur nj\u00eb ruajt\u00ebs portativ q\u00eb mund t\u00eb p\u00ebrmbante t\u00eb gjitha skedar\u00ebt e nevojsh\u00ebm do t\u00eb ishte m\u00eb e p\u00ebrshtatshme se kurr\u00eb. N\u00eb fjal\u00eb t\u00eb tjera, n\u00eb treg u shfaq nj\u00eb k\u00ebrkes\u00eb p\u00ebr pajisje q\u00eb ishin plot\u00ebsisht t\u00eb reja nga pik\u00ebpamja e p\u00ebrshtatshm\u00ebris\u00eb dhe ergonomis\u00eb, t\u00eb cilat duhej t\u00eb k\u00ebnaqeshin, dhe p\u00ebrballja mes kompanive IT vazhdoi me forc\u00eb t\u00eb re.<\/p>\n
K\u00ebtu \u00ebsht\u00eb e nevojshme t\u00eb rikujtojm\u00eb epigrafin e sotsh\u00ebm. Epoka e disqeve t\u00eb ngurt\u00eb filloi shum\u00eb para vitit 2000: prototipi i par\u00eb i memorjes flash u krijua nga inxhinieri Fujio Masuoka n\u00eb brend\u00ebsi t\u00eb korporat\u00ebs Toshiba n\u00eb vitin 1984, dhe produkti i par\u00eb komercial mbi baz\u00ebn e saj, Digipro FlashDisk, u shfaq n\u00eb treg n\u00eb vitin 1988. Kjo mrekulli teknologjike mund t\u00eb p\u00ebrmbante 16 megabajt t\u00eb dh\u00ebnash dhe \u00e7mimi i saj ishte 5000 dollar\u00eb amerikan\u00eb.<\/p>\n
Digipro FlashDisk \u2014 disku i par\u00eb komercial SSD<\/i><\/p>\n
Trendi i ri u mb\u00ebshtet nga Digital Equipment Corporation, e cila prezantoi n\u00eb fillim t\u00eb viteve '90 pajisjet e seris\u00eb EZ5x me madh\u00ebsi 5,25 in\u00e7 dhe mb\u00ebshtetje p\u00ebr interface SCSI-1 dhe SCSI-2. As kompanis\u00eb izraelite M-Systems nuk i mbeti pas, e cila njoftoi n\u00eb vitin 1990 familjen e disqeve t\u00eb ngurt\u00eb n\u00ebn emrin Fast Flash Disk (ose FFD), t\u00eb cilat tashm\u00eb i p\u00ebrngjanin disqeve moderne: SSD-t\u00eb kishin format 3,5 in\u00e7 dhe mund t\u00eb p\u00ebrmbanin nga 16 deri n\u00eb 896 megabajt t\u00eb dh\u00ebnash. Modeli i par\u00eb, i quajtur FFD-350, dol\u00ebn n\u00eb drit\u00eb n\u00eb vitin 1995.<\/p>\n
M-Systems FFD-350 me 208 MB \u2014 paralele e SSD-ve moderne<\/i><\/p>\n
Ndryshe nga hard disqet tradicionale, SSD-t\u00eb ishin shum\u00eb m\u00eb kompakte, kishin performanc\u00eb m\u00eb t\u00eb lart\u00eb dhe, m\u00eb e r\u00ebnd\u00ebsishmja, ishin t\u00eb q\u00ebndrueshme ndaj goditjeve dhe vibracioneve t\u00eb forta. Potencialisht, kjo i b\u00ebnte ato kandidat\u00eb praktikisht ideal\u00eb p\u00ebr krijimin e ruajt\u00ebsve mobil\u00eb, n\u00ebse nuk do t\u00eb ishte nj\u00eb \"por\": \u00e7mimet e larta p\u00ebr nj\u00ebsi t\u00eb ruajtjes s\u00eb informacionit, t\u00eb cilat e b\u00ebn\u00eb k\u00ebt\u00eb zgjidhje pothuajse t\u00eb pamundur p\u00ebr tregun e konsumator\u00ebve. Ato ishin t\u00eb popullarizuara n\u00eb mjedisin korporativ, p\u00ebrdorej n\u00eb aviacion p\u00ebr t\u00eb krijuar \"kutit\u00eb e zeza\", instalohej n\u00eb superkompjuter\u00ebt e qendrave k\u00ebrkimore, por p\u00ebr krijimin e nj\u00eb produkti me pakic\u00eb n\u00eb at\u00eb moment nuk mund t\u00eb sillte asnj\u00eb diskutim: askush nuk do ta blinte at\u00eb edhe n\u00ebse ndonj\u00eb korporat\u00eb do t\u00eb guxonte ta shiste at\u00eb me koston e prodhimit.<\/p>\n
Por ndryshimet n\u00eb treg nuk u b\u00ebn\u00eb shum\u00eb von\u00eb. Zhvillimi i segmenteve t\u00eb konsumator\u00ebve p\u00ebr SSD-t\u00eb e jashtme u ndihmua n\u00eb mas\u00eb t\u00eb madhe nga fotografi digjitale, sepse n\u00eb k\u00ebt\u00eb industri kishte nj\u00eb munges\u00eb t\u00eb ndjeshme t\u00eb ruajt\u00ebsve t\u00eb informacionit kompakt\u00eb dhe me efikasitet energjetik. Vler\u00ebsoni vet\u00eb.<\/p>\n
Kamera e par\u00eb digitale n\u00eb bot\u00eb u shfaq (duke kujtuar p\u00ebrs\u00ebri fjal\u00ebt e Ekliziastit) q\u00eb n\u00eb dhjetor 1975: ajo u shpik nga Stephen Sasson, inxhinier i kompanis\u00eb Eastman Kodak Company. Nj\u00eb model experimental p\u00ebrb\u00ebhej nga disa dhjet\u00ebra pllaka t\u00eb printuara, nj\u00eb bllok optik i marr\u00eb nga Kodak Super 8, dhe nj\u00eb magnetofon (fotografit\u00eb u regjistruan n\u00eb kaseta audio t\u00eb zakonshme). Si burim energjie p\u00ebr kamer\u00ebn u p\u00ebrdor\u00ebn 16 bateri nik\u00ebl-kadmiumi, dhe e gjith\u00eb kjo peshoi 3.6 kg.<\/p>\n
Prototipi i par\u00eb i kamer\u00ebs digjitale, i krijuar nga Eastman Kodak Company<\/i> <\/p>\n
Rezolucioni i matric\u00ebs CCD t\u00eb nj\u00eb \"f\u00ebmije\" t\u00eb till\u00eb ishte vet\u00ebm 0,01 megapiksel, \u00e7ka lejonte q\u00eb t\u00eb merrte imazhe prej 125\u00d780 piksel\u00ebsh, ku formimi i \u00e7do fotografie zgjaste 23 sekonda. Duke marr\u00eb parasysh k\u00ebto \"p\u00ebrmasat e mahnitshme\", nj\u00eb pajisje e till\u00eb t\u00ebrhiqte shum\u00eb m\u00eb pak v\u00ebmendje se aparatet e zakonshme me film, pra nuk kishte fjal\u00eb p\u00ebr krijimin e nj\u00eb produkti komercial mbi k\u00ebt\u00eb baz\u00eb, megjithat\u00eb m\u00eb von\u00eb shpikja u njoh si nj\u00eb nga piketat m\u00eb t\u00eb r\u00ebnd\u00ebsishme n\u00eb historin\u00eb e zhvillimit t\u00eb fotografis\u00eb, dhe vet\u00eb Steve u p\u00ebrfshi zyrtarisht n\u00eb Sall\u00ebn e Fam\u00ebs s\u00eb Elektronik\u00ebs p\u00ebr Konsumator\u00eb (Consumer Electronics Hall of Fame).<\/p>\n
Pas 6 vjet\u00ebsh, iniciativa nga Kodak e mori Sony, e cila njoftoi m\u00eb 25 gusht 1981 aparatin video-fotografik pa film Mavica (emri \u00ebsht\u00eb nj\u00eb akronim p\u00ebr Magnetic Video Camera).<\/p>\n
Modeli experimental i aparatit fotografik digjital Sony Mavica<\/i><\/p>\n
Kamera nga gjigandi japonez dukej shum\u00eb m\u00eb interesante: modeli experimental kishte nj\u00eb matric\u00eb CCD prej 10 me 12 mm dhe mund t\u00eb mburrej me nj\u00eb rezolucion maksimal prej 570 x 490 piksel\u00ebsh, nd\u00ebrsa regjistrimi b\u00ebhej n\u00eb disqet e kompakt Mavipack 2-in\u00e7, t\u00eb cilat mund t\u00eb mbajn\u00eb nga 25 deri n\u00eb 50 fotografi, var\u00ebsisht nga m\u00ebnyra e xhirimit. E gjith\u00eb kjo sepse fotografi e formuar p\u00ebrb\u00ebnte dy fusha televizive, secila prej t\u00eb cilave regjistrohej si video kompuzive, dhe kishte mund\u00ebsin\u00eb p\u00ebr t\u00eb regjistruar si t\u00eb dy fushat nj\u00ebher\u00ebsh, ashtu si dhe vet\u00ebm nj\u00eb. N\u00eb rastin e fundit, rezolucioni i fotografis\u00eb binte me 2 her\u00eb, por peshonte gjithashtu dy her\u00eb m\u00eb pak.<\/p>\n
Fillimisht, Sony kishte planifikuar t\u00eb fillonte prodhimin n\u00eb mas\u00eb t\u00eb Mavica n\u00eb vitin 1983, dhe \u00e7mimi me pakic\u00eb p\u00ebr kamerat do t\u00eb ishte $650. N\u00eb praktik\u00eb, variantet e para industriale u shfaq\u00ebn vet\u00ebm n\u00eb vitin 1984, nd\u00ebrsa realizimi komercial i projektit n\u00ebn emrin Mavica MVC-A7AF dhe Pro Mavica MVC-2000 e pa drit\u00ebn vet\u00ebm n\u00eb vitin 1986, p\u00ebr m\u00eb tep\u00ebr kamerat kushtonin praktikiisht nj\u00eb rend m\u00eb t\u00eb lart\u00eb se sa ishte planifikuar fillimisht.<\/p>\n
Kamera digjitale Sony Pro Mavica MVC-2000<\/i><\/p>\n
Megjith\u00ebse \u00e7mimi dhe novacioni i saj ishin t\u00eb jasht\u00ebzakonsh\u00ebm, nuk mund t\u00eb quheshin Mavica t\u00eb par\u00eb si nj\u00eb zgjidhje ideale p\u00ebr p\u00ebrdorim profesional, megjithat\u00eb, n\u00eb disa situata k\u00ebto aparate fotografik\u00eb e kan\u00eb treguar veten si nj\u00eb zgjidhje praktike. P\u00ebr shembull, reporter\u00ebt e CNN p\u00ebrdor\u00ebn Sony Pro Mavica MVC-5000 p\u00ebr t\u00eb mbuluar ngjarjet m\u00eb 4 qershor n\u00eb Sheshin Tiananmen. Modeli i p\u00ebrmir\u00ebsuar kishte dy matrica t\u00eb pavarura CCD, nga t\u00eb cilat nj\u00ebra formonte sinjalin e videos me ndri\u00e7im, nd\u00ebrsa tjetra at\u00eb t\u00eb ngjyr\u00ebs. Ky qasje lejoj\u00eb heqjen e filtrit t\u00eb ngjyrave Bayer dhe rriti rezolut\u00ebn horizontale deri n\u00eb 500 TVL. Sidoqoft\u00eb, p\u00ebrpar\u00ebsia kryesore e kamer\u00ebs ishte mb\u00ebshtetje p\u00ebr lidhjen e drejtp\u00ebrdrejt\u00eb me modulin PSC-6, i cili lejonte d\u00ebrgimin e fotografive t\u00eb marra p\u00ebrmes nj\u00eb kanali radio n\u00eb redaksi. Fal\u00eb k\u00ebsaj, CNN arriti t\u00eb publikonte raportin m\u00eb t\u00eb par\u00eb nga vendi i ngjarjeve, nd\u00ebrsa Sony m\u00eb von\u00eb mori nj\u00eb \u00e7mim t\u00eb ve\u00e7ant\u00eb 'Emmy' p\u00ebr kontributin e saj n\u00eb zhvillimin e transmetimit digjital t\u00eb fotografive t\u00eb lajmeve.<\/p>\n
Sony Pro Mavica MVC-5000 \u2014 ajo kamera e cila b\u00ebri q\u00eb Sony t\u00eb fitoj\u00eb \u00e7mimin 'Emmy'<\/i><\/p>\n
Por \u00e7far\u00eb do ndodhte n\u00ebse fotografi duhet t\u00eb shkoj\u00eb p\u00ebr nj\u00eb periudh\u00eb t\u00eb gjat\u00eb n\u00eb det t\u00eb hapur? N\u00eb k\u00ebt\u00eb rast, ai mund t\u00eb merrte me vete nj\u00eb nga aparatet fotografik\u00eb t\u00eb shk\u00eblqyera Kodak DCS 100, t\u00eb cilat dol\u00ebn n\u00eb maj 1991. Nj\u00eb hibrid monstruoz midis nj\u00eb kamere refleks t\u00eb vog\u00ebl Nikon F3 HP dhe nj\u00eb pajisjeje dixhitale DCS Digital Film Back, i pajisur me nj\u00eb bodik, lidhej me nj\u00eb nj\u00ebsin\u00eb e jashtme t\u00eb ruajtjes s\u00eb t\u00eb dh\u00ebnave Digital Storage Unit (e cila duhej t\u00eb transportohej me nj\u00eb brez mbi sup) p\u00ebrmes nj\u00eb kablloshi.<\/p>\n
Aparati fotografik digjital Kodak DCS 100 \u2014 p\u00ebrfaq\u00ebsimi i 'kompakt\u00ebsis\u00eb'<\/i><\/p>\n
Kodak ofronte dy modele, secili prej t\u00eb cil\u00ebve kishte disa variacione: ngjyr\u00eb DCS DC3 dhe bardh e Zi DCS DM3. T\u00eb gjitha aparatet e linj\u00ebs ishin t\u00eb pajisur me matrica me rezolut\u00eb 1.3 megapiksel, megjithat\u00eb ndryshonin n\u00eb madh\u00ebsin\u00eb e tamponit, e cila p\u00ebrcaktonte numrin maksimal t\u00eb fotove q\u00eb mund t\u00eb shkrepeshin gjat\u00eb nj\u00eb s\u00ebr\u00eb fotografish. P\u00ebr shembull, modifikimet me 8 MB n\u00eb bord mund t\u00eb fotografonin me shpejt\u00ebsi 2.5 korniza n\u00eb sekond\u00eb n\u00eb seri prej 6 fotosh, nd\u00ebrsa ato m\u00eb t\u00eb avancuara, me 32 megabajt, lejonin nj\u00eb gjat\u00ebsi serie prej 24 fotosh. N\u00ebse ky prag tejkalohej, shpejt\u00ebsia e fotografimit binte n\u00eb 1 foto \u00e7do 2 sekonda deri sa tamponi t\u00eb ishin plot\u00ebsisht i liruar.<\/p>\n
Sa i bllok DSU, ai ishte pajisur me nj\u00eb hard disk 3.5 in\u00e7 me kapacitet prej 200 MB, i cili mund t\u00eb ruante nga 156 foto \"t\u00eb pap\u00ebrpunuara\" deri n\u00eb 600 foto t\u00eb kompresuara me ndihm\u00ebn e konvertuesit t\u00eb JPEG-it (i bler\u00eb dhe instaluar ve\u00e7mas), dhe me nj\u00eb ekran LCD p\u00ebr shikimin e imazheve. Ruajtja inteligjente madje lejonte shtimin e p\u00ebrshkrimeve t\u00eb shkurt\u00ebra p\u00ebr fotografit\u00eb, megjithat\u00eb, p\u00ebr k\u00ebt\u00eb ishte e nevojshme t\u00eb lidhej nj\u00eb tastier\u00eb e jashtme. S\u00eb bashku me baterit\u00eb, pesha e saj ishte 3.5 kg, nd\u00ebrsa pesha e p\u00ebrgjithshme e paket\u00ebs arrinte n\u00eb 5 kg.<\/p>\n
Pavar\u00ebsisht nga komoditeti i dyshimt\u00eb dhe \u00e7mimi nga 20 deri n\u00eb 25 mij\u00eb dollar\u00eb (n\u00eb konfigurimin maksimal), gjat\u00eb tri viteve t\u00eb ardhshme u shit\u00ebn rreth 1000 pajisje t\u00eb tilla, t\u00eb cilat, p\u00ebrve\u00e7 gazetar\u00ebve, u interesuan edhe institucione sh\u00ebndet\u00ebsore, policin\u00eb dhe disa nd\u00ebrmarrje industriale. Nj\u00eb fjal\u00eb p\u00ebr ta th\u00ebn\u00eb, kishte k\u00ebrkes\u00eb p\u00ebr k\u00ebt\u00eb produkt, si\u00e7 kishte edhe nj\u00eb nevoj\u00eb t\u00eb theksuar p\u00ebr media m\u00eb t\u00eb miniatyrizuara. Nj\u00eb zgjidhje t\u00eb p\u00ebrshtatshme ofroi kompania SanDisk, duke prezantuar n\u00eb vitin 1994 standardin CompactFlash.<\/p>\n
Kartat e memories CompactFlash, t\u00eb l\u00ebshuara nga kompania SanDisk, dhe adapteri PCMCIA p\u00ebr t'i lidhur ato me PC-n\u00eb<\/i><\/p>\n
Formati i ri doli t\u00eb ishte aq i suksessh\u00ebm, sa q\u00eb aplikohet me sukses edhe sot, dhe Asociacioni CompactFlash i krijuar n\u00eb vitin 1995 ka m\u00eb shum\u00eb se 200 kompani-an\u00ebtare deri m\u00eb sot, p\u00ebrfshir\u00eb Canon, Eastman Kodak Company, Hewlett-Packard, Hitachi Global Systems Technologies, Lexar Media, Renesas Technology, Socket Communications dhe shum\u00eb t\u00eb tjera.<\/p>\n
Kartat e memories CompactFlash mund t\u00eb krenoheshin me dimensionet 42 mm p\u00ebr 36 mm me trash\u00ebsi 3.3 mm. Interfaci fizik i ruajt\u00ebsve n\u00eb thelb p\u00ebrb\u00ebnte nj\u00eb PCMCIA t\u00eb rip\u00ebrt\u00ebrir\u00eb (50 pin\u00eb n\u00eb vend t\u00eb 68), duke lejuar q\u00eb nj\u00eb kart\u00eb e till\u00eb t\u00eb lidhej leht\u00ebsisht me portin p\u00ebr kartat e zgjerimit PCMCIA Type II p\u00ebrmes nj\u00eb adapti pasiv. Po ashtu, p\u00ebrmes nj\u00eb kalimi pasiv, CompactFlash mund t\u00eb shk\u00ebmbej\u00eb t\u00eb dh\u00ebna me pajisjet periferike p\u00ebrmes IDE (ATA), dhe adaptr\u00ebt e ve\u00e7ant\u00eb aktiv\u00eb mund\u00ebsonin funksionimin me interfaca sekondare (USB, FireWire, SATA).<\/p>\n
Megjith\u00ebse kapaciteti i tyre ishte relativisht i vog\u00ebl (CompactFlash t\u00eb para mund t\u00eb ruheshin vet\u00ebm 2 MB t\u00eb dh\u00ebnash), kartat e memories s\u00eb k\u00ebtij lloji ishin t\u00eb k\u00ebrkuara n\u00eb mjedisin profesional p\u00ebr shkak t\u00eb kompakt\u00ebsis\u00eb, efikasitetit (nj\u00eb i till\u00eb konsumonte rreth 5% t\u00eb energjis\u00eb krahasuar me HDD-t\u00eb standarde 2.5 in\u00e7, duke lejuar k\u00ebshtu nj\u00eb shkall\u00eb m\u00eb t\u00eb gjat\u00eb t\u00eb jet\u00ebgjat\u00ebsis\u00eb s\u00eb pajisjeve portative) dhe universialitetit, i cili arrihej fal\u00eb mb\u00ebshtetjes p\u00ebr shum\u00eb interface t\u00eb ndryshme dhe mund\u00ebsis\u00eb p\u00ebr t\u00eb punuar nga nj\u00eb burim energjie me tension prej 3.3 ose 5 volt, dhe mbi t\u00eb gjitha \u2014 q\u00ebndrueshm\u00ebris\u00eb mbres\u00ebl\u00ebn\u00ebse ndaj ngarkesave mbi 2000 g, q\u00eb ishte nj\u00eb standard i arritsh\u00ebm pothuajse p\u00ebr disk\u00ebt klasik\u00eb.<\/p>\n
E gjith\u00eb kjo \u00ebsht\u00eb se krijimi i disqeve t\u00eb v\u00ebrtet\u00eb rezistente ndaj goditjeve, p\u00ebr shkak t\u00eb ve\u00e7orive t\u00eb tyre strukturore, \u00ebsht\u00eb teknikisht i pamundur. N\u00eb rast r\u00ebnies, \u00e7do objekt p\u00ebrballohet me nj\u00eb ndikim kinetik q\u00eb mund t\u00eb arrij\u00eb qindra dhe madje mij\u00ebra g (akselerimi standard i gravitetit, q\u00eb \u00ebsht\u00eb 9.8 m\/s\u00b2) n\u00eb m\u00eb pak se 1 milisekond, e cila p\u00ebr HDD-t\u00eb klasike \u00ebsht\u00eb e lidhur me nj\u00eb gam\u00eb t\u00eb gjer\u00eb pasojash shum\u00eb t\u00eb pak\u00ebndshme, nga t\u00eb cilat duhet t\u00eb p\u00ebrmenden:<\/p>\n
\nrr\u00ebshqitja dhe zhvendosja e pllakave magnetike;<\/li>\n shfaqja e luftimeve n\u00eb boshtet, t\u00eb cilat d\u00ebmtohen para kohe;<\/li>\n goditjet e kokave mbi sip\u00ebrfaqen e pllakave magnetike.<\/li>\n<\/ul>\n\nSituata m\u00eb e rrezikshme p\u00ebr nj\u00eb disk \u00ebsht\u00eb ajo e fundit. Kur energjia e goditjes \u00ebsht\u00eb e drejtp\u00ebrdrejt\u00eb ose n\u00eb nj\u00eb k\u00ebnd t\u00eb vog\u00ebl me horizontin e HDD-s\u00eb, heads magnetike fillimisht shmangen nga pozita e tyre fillestare dhe m\u00eb pas bien papritmas n\u00eb sip\u00ebrfaqen e diskut, duke prekur skajin e tij, duke shkaktuar d\u00ebmtime sip\u00ebrfaq\u00ebsore n\u00eb pllak\u00ebn magnetike. N\u00eb t\u00eb v\u00ebrtet\u00eb, nuk \u00ebsht\u00eb vet\u00ebm vendi ku bie goditja (i cili, p\u00ebr ta th\u00ebn\u00eb t\u00eb drejt\u00ebn, mund t\u00eb jet\u00eb i gjer\u00eb n\u00ebse gjat\u00eb r\u00ebnies \u00ebsht\u00eb b\u00ebr\u00eb regjistrimi ose leximi i informacionit), por edhe zona ku shp\u00ebrndahen cop\u00ebza mikroshk\u00ebmbinj magnetik\u00eb: duke u magnetizuar, ato nuk l\u00ebvizin n\u00ebn forc\u00ebn centrifugal drejt periferis\u00eb, duke mbetur n\u00eb sip\u00ebrfaqen e pllak\u00ebs magnetike, duke penguar operacionet normale t\u00eb leximit\/shkruarjes dhe duke kontribuar n\u00eb d\u00ebmtimin e m\u00ebtejsh\u00ebm si t\u00eb diskut vet\u00eb ashtu edhe t\u00eb heads q\u00eb shkruan. N\u00ebse goditja \u00ebsht\u00eb mjaft e fuqishme, kjo mund t\u00eb \u00e7oj\u00eb madje n\u00eb shk\u00ebputjen e sensorit dhe n\u00eb nj\u00eb d\u00ebshtim t\u00eb plot\u00eb t\u00eb diskut.<\/p>\n
N\u00eb drit\u00ebn e t\u00eb gjithave k\u00ebtyre, p\u00ebr foto-reporters, t\u00eb rinjt\u00eb ishin me t\u00eb v\u00ebrtet\u00eb t\u00eb paz\u00ebvend\u00ebsuesh\u00ebm: shum\u00eb m\u00eb mir\u00eb t\u00eb kesh me vete nj\u00eb dhjet\u00eb apo dy kartela t\u00eb thjeshta, sesa t\u00eb bart\u00ebsh pas shpine nj\u00eb pajisje me madh\u00ebsin\u00eb e nj\u00eb videomagnetofoni, e cila me nj\u00eb mund\u00ebsi 100-p\u00ebr-qind do t\u00eb d\u00ebshtonte nga nj\u00eb goditje e vog\u00ebl. Megjithat\u00eb, p\u00ebr konsumatorin e zakonsh\u00ebm, kartat e memories ishin ende shum\u00eb t\u00eb shtrenjta. Pik\u00ebrisht p\u00ebr k\u00ebt\u00eb arsye, n\u00eb tregun e \"pajisjeve\" dominonte me sukses Sony me \"kubin\" Mavica MVC-FD, i cili ruante fotografit\u00eb n\u00eb disqe standarde 3,5-in\u00e7, t\u00eb formatuara n\u00eb DOS FAT12, duke siguruar p\u00ebrputhshm\u00ebri me pothuajse \u00e7do PC t\u00eb asaj kohe.<\/p>\n
Kamer\u00eb digjitale amatore Sony Mavica MVC-FD73<\/i><\/p>\n
Dhe k\u00ebshtu vazhdoi pothuajse deri n\u00eb fund t\u00eb dekad\u00ebs, derisa nd\u00ebrhyri IBM. Megjithat\u00eb, p\u00ebr k\u00ebt\u00eb ne do t\u00eb flasim n\u00eb materialin e ardhsh\u00ebm.<\/p>\n
Dhe me cilat pajisje t\u00eb \u00e7uditshme keni hasur ju? Ndoshta keni pasur mund\u00ebsin\u00eb t\u00eb b\u00ebni fotografi me Mavica, t\u00eb shihni me syt\u00eb tuaj agonin\u00eb e Iomega ZIP apo t\u00eb p\u00ebrdorni Toshiba T100X? Shp\u00ebrndani historit\u00eb tuaja n\u00eb komentet.habr.com<\/a> <\/p>","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"\u0427\u0442\u043e \u0431\u044b\u043b\u043e, \u0442\u043e \u0438 \u0431\u0443\u0434\u0435\u0442; \u0438 \u0447\u0442\u043e \u0434\u0435\u043b\u0430\u043b\u043e\u0441\u044c, \u0442\u043e \u0438 \u0431\u0443\u0434\u0435\u0442 \u0434\u0435\u043b\u0430\u0442\u044c\u0441\u044f, \u0438 \u043d\u0435\u0442 \u043d\u0438\u0447\u0435\u0433\u043e \u043d\u043e\u0432\u043e\u0433\u043e \u043f\u043e\u0434 \u0441\u043e\u043b\u043d\u0446\u0435\u043c. \u041a\u043d\u0438\u0433\u0430 \u0415\u043a\u043a\u043b\u0435\u0437\u0438\u0430\u0441\u0442\u0430, 1:9 \u0412\u0435\u0447\u043d\u0430\u044f \u043c\u0443\u0434\u0440\u043e\u0441\u0442\u044c, \u0432\u044b\u043d\u0435\u0441\u0435\u043d\u043d\u0430\u044f \u0432 \u044d\u043f\u0438\u0433\u0440\u0430\u0444, \u043f\u0440\u0438\u043c\u0435\u043d\u0438\u043c\u0430 \u043f\u0440\u0430\u043a\u0442\u0438\u0447\u0435\u0441\u043a\u0438 \u043a \u043b\u044e\u0431\u043e\u0439 \u043e\u0442\u0440\u0430\u0441\u043b\u0438, \u0432 \u0442\u043e\u043c \u0447\u0438\u0441\u043b\u0435 \u0438 \u043a \u0442\u0430\u043a\u043e\u0439 \u0441\u0442\u0440\u0435\u043c\u0438\u0442\u0435\u043b\u044c\u043d\u043e \u043c\u0435\u043d\u044f\u044e\u0449\u0435\u0439\u0441\u044f, \u043a\u0430\u043a IT. \u041d\u0430 \u043f\u043e\u0432\u0435\u0440\u043a\u0443 \u043e\u043a\u0430\u0437\u044b\u0432\u0430\u0435\u0442\u0441\u044f, \u0447\u0442\u043e \u043c\u043d\u043e\u0433\u0438\u0435 \u043d\u043e\u0443-\u0445\u0430\u0443, \u043e \u043a\u043e\u0442\u043e\u0440\u044b\u0445 \u043d\u0430\u0447\u0438\u043d\u0430\u044e\u0442 \u0433\u043e\u0432\u043e\u0440\u0438\u0442\u044c \u0442\u043e\u043b\u044c\u043a\u043e \u0441\u0435\u0439\u0447\u0430\u0441, \u043e\u0441\u043d\u043e\u0432\u0430\u043d\u044b \u043d\u0430 […]<\/p>\n","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"author":1,"featured_media":78292,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[688],"tags":[],"class_list":["post-78291","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-administrirovanie"],"aioseo_notices":[],"aioseo_head":"\n\t\t\n\t
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