me an\u00eb t\u00eb nj\u00eb kalimi t\u00eb l\u00ebvizsh\u00ebm, u realizua mbrojtja nga rip\u00ebrs\u00ebritja (m\u00eb par\u00eb, p\u00ebr t\u00eb bllokuar mund\u00ebsin\u00eb e rip\u00ebrs\u00ebritjes, diskun duhej ta mbyllnim me ngjit\u00ebsin n\u00eb hapin e kontrollit).<\/li>\n<\/ul>\n\nKlasik\u00eb e padashur \u2014 disku 3,5 in\u00e7 nga Sony<\/i><\/p>\n
P\u00ebrve\u00e7 kompaktesis\u00eb, disqet 3.5 in\u00e7 ishin gjithashtu me kapacitet shum\u00eb m\u00eb t\u00eb lart\u00eb n\u00eb krahasim me paraardh\u00ebsit e tyre. Disqet m\u00eb t\u00eb avancuara 5.25 in\u00e7 me dend\u00ebsi t\u00eb lart\u00eb, t\u00eb cilat shfaq\u00ebn p\u00ebr her\u00eb t\u00eb par\u00eb n\u00eb vitin 1984, mund t\u00eb ruanin 1200 kilobajt t\u00eb dh\u00ebnash. Megjithat\u00eb, mostrat e para 3.5 in\u00e7 kishin nj\u00eb kapacitet prej 720 KB dhe ishin n\u00eb k\u00ebt\u00eb aspekt t\u00eb ngjashme me disqet e 5 in\u00e7 me dend\u00ebsi kat\u00ebrfish. N\u00eb vitin 1987, disqet me dend\u00ebsi t\u00eb lart\u00eb me kapacitet prej 1.44 MB u shfaq\u00ebn, dhe n\u00eb vitin 1991, ato me dend\u00ebsi t\u00eb zgjeruar arrit\u00ebn t\u00eb ruanin tashm\u00eb 2.88 MB t\u00eb dh\u00ebnash.<\/p>\n
Disa kompani u p\u00ebrpoq\u00ebn t\u00eb krijonin disqe edhe m\u00eb miniatur\u00eb (p\u00ebr shembull, Amstrad krijoi disqe me diamet\u00ebr 3 in\u00e7 q\u00eb p\u00ebrdoren n\u00eb ZX Spectrum +3, nd\u00ebrsa Canon prodhoi disqe t\u00eb specializuara 2 in\u00e7 p\u00ebr regjistrimin dhe ruajtjen e videove kompozite), por ato nuk u shfaq\u00ebn kurr\u00eb n\u00eb treg. Megjithat\u00eb, n\u00eb treg filluan t\u00eb shfaqeshin pajisje t\u00eb jashtme q\u00eb ishin ideologjikisht shum\u00eb m\u00eb t\u00eb ngjashme me memoret e jashtme moderne.<\/p>\n
Shanti Bernulli nga Iomega dhe \"klikimet vdekjeprur\u00ebse\" t\u00eb frikshme<\/h2>\n \nMegjithat\u00eb, kapacitetet e disqeve ishin tep\u00ebr t\u00eb vogla p\u00ebr t\u00eb ruajtur sasi t\u00eb m\u00ebdha informacioni: sipas standardeve t\u00eb sotme, ato mund t\u00eb krahasohen me flash drive me kapacitet t\u00eb ul\u00ebt. Por \u00e7far\u00eb mund t\u00eb quhet n\u00eb k\u00ebt\u00eb rast nj\u00eb analog i nj\u00eb disku t\u00eb jasht\u00ebm t\u00eb harduerit ose nj\u00eb memorie solide? Produktet e kompanis\u00eb Iomega jan\u00eb m\u00eb t\u00eb p\u00ebrshtatshme p\u00ebr k\u00ebt\u00eb rol.<\/p>\n
Dispositivi i par\u00eb i tyre, q\u00eb u prezantua n\u00eb vitin 1982, ishte kutia Bernoulli (Bernoulli Box). Pavar\u00ebsisht kapacitetit t\u00eb madh p\u00ebr at\u00eb koh\u00eb (disqet e para kishin kapacitet 5, 10 dhe 20 MB), pajisja origjinale nuk arriti popullaritetin p\u00ebr shkak t\u00eb madh\u00ebsive, pa e tepruar, gjigante: \"disqet\" nga Iomega kishin dimensione 21 me 27,5 cm, q\u00eb \u00ebsht\u00eb identike me nj\u00eb flet\u00eb letre formati A4.<\/p>\n
K\u00ebshtu duken kartushet origjinale p\u00ebr kutin\u00eb Bernoulli<\/i><\/p>\n
Pajisjet e kompanis\u00eb fituan popullaritet duke filluar me Bernoulli Box II. Dimensionet e ruajt\u00ebsve u zvog\u00eblua ndjesh\u00ebm: ato kishin nj\u00eb gjat\u00ebsi prej 14 cm dhe nj\u00eb gjer\u00ebsi prej 13.6 cm, (t\u00eb cilat jan\u00eb t\u00eb krahasueshme me disqet standarde 5,25-in\u00e7, n\u00ebse nuk merret parasysh trash\u00ebsia prej 0.9 cm), nd\u00ebrkoh\u00eb q\u00eb dallohej me kapacitet shum\u00eb m\u00eb mbres\u00ebl\u00ebn\u00ebs: nga 20 MB p\u00ebr modelet e linj\u00ebs hyr\u00ebse deri n\u00eb 230 MB p\u00ebr disqet q\u00eb u dalin n\u00eb treg n\u00eb vitin 1993. Pajisjet e tilla ishin t\u00eb disponueshme n\u00eb dy formate: si module t\u00eb brendshme p\u00ebr PC (fal\u00eb dimensions t\u00eb zvog\u00ebluara ato mund t\u00eb instaloheshin n\u00eb vend t\u00eb lexuesve t\u00eb disqeve 5,25-in\u00e7) dhe sisteme t\u00eb jashtme ruajtjeje, t\u00eb cilat lidhen me kompjuterin p\u00ebrmes interfaces SCSI.<\/p>\n
Kuti Bernoulli e gjenerat\u00ebs s\u00eb dyt\u00eb<\/i><\/p>\n
Pasardh\u00ebsit e drejtp\u00ebrdrejt t\u00eb kutis\u00eb Bernoulli ishin Iomega ZIP, q\u00eb u prezantuan nga kompania n\u00eb vitin 1994. Popullarizimi i tyre u ndihmua shum\u00eb nga partneriteti me Dell dhe Apple, t\u00eb cil\u00ebt filluan t\u00eb instalonin disqet ZIP n\u00eb kompjuter\u00ebt e tyre. Modeli i par\u00eb, ZIP-100, p\u00ebrdorte p\u00ebrmem\u00ebs me kapacitet 100 663 296 byte (rreth 96 MB), mund t\u00eb kishte nj\u00eb shpejt\u00ebsi transferimi rreth 1 MB\/s dhe nj\u00eb koh\u00eb aksesimi t\u00eb rast\u00ebsish\u00ebm jo m\u00eb shum\u00eb se 28 milisekonda, nd\u00ebrsa disqet e jashtme mund t\u00eb lidhen me PC-n\u00eb p\u00ebrmes interfaces LPT ose SCSI. Pasi, 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 ishte ZIP-750, q\u00eb kishin p\u00ebrputhshm\u00ebri prapavepruese me p\u00ebrmem\u00ebsit ZIP-250 dhe mb\u00ebshtetnin pun\u00ebn me ZIP-100 n\u00eb m\u00ebnyr\u00eb legacy (n\u00eb k\u00ebto p\u00ebrmend\u00ebs t\u00eb vjet\u00ebr mund t\u00eb lexohej vet\u00ebm informacioni). P\u00ebr m\u00eb tep\u00ebr, disqet e jashtme madje arrit\u00ebn 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 ardhjen e CD-R\/RW, krijimet e Iomega natyrsh\u00ebm e humb\u00ebn popullaritetin \u2014 shitjet e pajisjeve ran\u00eb ndjesh\u00ebm, duke zbritur gati n\u00eb kat\u00ebr her\u00eb deri n\u00eb vitin 2003, dhe n\u00eb vitin 2007 ato u shuan plot\u00ebsisht (ndon\u00ebse mbyllja e prodhimit ndodhi vet\u00ebm n\u00eb vitin 2010). Ndoshhta, \u00e7do gj\u00eb do t\u00eb ishte ndryshe po t\u00eb mos kishte probleme me besueshm\u00ebrin\u00eb ZIP.<\/p>\n
E gjith\u00eb \u00e7\u00ebshtja \u00ebsht\u00eb se performanca mbres\u00ebl\u00ebn\u00ebse p\u00ebr ato vite sigurohej nga nj\u00eb indeks rekord RPM: disku fleksib\u00ebl kishte nj\u00eb shpejt\u00ebsi prej 3000 rrotullimesh n\u00eb minut\u00eb! Sigurisht, ju tashm\u00eb e keni kuptuar pse paisjet e para u quajt\u00ebn ndryshe si kuti Bernoulli: p\u00ebr shkak t\u00eb shpejt\u00ebsis\u00eb s\u00eb lart\u00eb t\u00eb rrotullimit t\u00eb pllak\u00ebs magnetike, fluksi ajror mes krye-shkruesit dhe sip\u00ebrfaqes s\u00eb tij p\u00ebrshpejtohej, presioni i ajrit binte, duke e afruar diskun me sensorin (ligji i Bernoulli n\u00eb veprim). Teoretikisht, kjo ve\u00e7ori kishte p\u00ebr t'u b\u00ebr\u00eb pajisjen m\u00eb t\u00eb besueshme, megjithat\u00eb n\u00eb praktik\u00eb konsumator\u00ebt u p\u00ebrball\u00ebn me nj\u00eb fenomen t\u00eb pak\u00ebndsh\u00ebm t\u00eb quajtur Clicks of Death \u2014 \u201cklikimet e vdekjes\u201d. \u00c7do ng\u00ebr\u00e7, edhe m\u00eb i vogli, n\u00eb pllak\u00ebn magnetike q\u00eb l\u00ebvizte me shpejt\u00ebsi t\u00eb madhe, mund t\u00eb d\u00ebmtonte p\u00ebrhershm\u00ebrisht krye-shkruesin, pas s\u00eb cil\u00ebs drejtuesi parkohej dhe p\u00ebrs\u00ebriste p\u00ebrpjekjen p\u00ebr t\u00eb lexuar, gj\u00eb e cila shoq\u00ebrohej me klikime karakteristike. Nj\u00eb defekt i till\u00eb ishte \u201cinfektues\u201d: n\u00ebse p\u00ebrdoruesi nuk u orvat menj\u00ebher\u00eb dhe futi nj\u00eb disk tjet\u00ebr n\u00eb pajisjen e d\u00ebmtuar, ai pas disa p\u00ebrpjekjeve leximi gjithashtu dilte jasht\u00eb funksionit, sepse krye-shkruesi me gjeometri t\u00eb prishur tashm\u00eb d\u00ebmtonte sip\u00ebrfaqen e diskut fleksib\u00ebl. N\u00eb t\u00eb nj\u00ebjt\u00ebn koh\u00eb, nj\u00eb disket\u00eb me ng\u00ebr\u00e7e mund ta \u201cvras\u00eb\u201d menj\u00ebher\u00eb edhe nj\u00eb lexues tjet\u00ebr. Prandaj, ata q\u00eb punonin me produktet e Iomega duhej t\u00eb kontrollonin me kujdes funksionimin e disketave, dhe n\u00eb modelet m\u00eb t\u00eb vonshme madje u shfaq\u00ebn shkrime paralajm\u00ebruese p\u00ebrkat\u00ebse.<\/p>\n
Disqet\u00eb magnetooptike: HAMR n\u00eb stilin retro<\/h2>\n \nFundja, n\u00ebse po flasim p\u00ebr mediumet portative t\u00eb informacionit, \u00ebsht\u00eb e pamundur t\u00eb mos p\u00ebrmendim nj\u00eb mrekulli teknologjike si\u00e7 jan\u00eb disqet magnetooptike (MO). Pajisjet e para t\u00eb k\u00ebtij lloji shfaq\u00ebn n\u00eb fillim t\u00eb viteve '80 t\u00eb shekullit XX, megjithat\u00eb, p\u00ebrhapja m\u00eb e gjer\u00eb ndodhi vet\u00ebm n\u00eb vitin 1988, kur kompania NeXT prezantoi PC-n\u00eb e saj t\u00eb par\u00eb me emrin NeXT Computer, e cila kishte nj\u00eb drejtues magnetooptik t\u00eb prodhuar nga Canon dhe mb\u00ebshteste pun\u00ebn me disqe me kapacitet 256 MB.<\/p>\n
NeXT Computer \u2014 PC-ja e par\u00eb e pajisur me drejtues magnetooptik<\/i><\/p>\n
Vet\u00eb ekzistenca e disqeve magneto-opte me t\u00eb v\u00ebrtet\u00eb konfirmon sakt\u00ebsin\u00eb e epigrafit: megjith\u00ebse teknologjia e regjistrimit termomagnetik (HAMR) \u00ebsht\u00eb p\u00ebrmendur aktivisht vet\u00ebm n\u00eb vitet e fundit, ky qasje \u00ebsht\u00eb p\u00ebrdorur me sukses n\u00eb disqet MO m\u00eb shum\u00eb se 30 vjet m\u00eb par\u00eb! Parimi i regjistrimit n\u00eb disqet magneto-opte \u00ebsht\u00eb i ngjash\u00ebm me HAMR, p\u00ebrve\u00e7 disa nuancave. Disqet vet\u00eb jan\u00eb prodhuar nga ferromagnetik\u00ebt \u2014 aliazh t\u00eb aft\u00eb p\u00ebr t\u00eb ruajtur magnetizmin n\u00eb temperatura m\u00eb t\u00eb ulta se pika Curie (rreth 150 grad\u00eb Celsius) n\u00eb munges\u00eb t\u00eb nj\u00eb fushe magnetike t\u00eb jashtme. Gjat\u00eb regjistrimit, sip\u00ebrfaqja e pllak\u00ebs ngrihej paraprakisht me lazer deri n\u00eb temperatur\u00ebn e pik\u00ebs Curie, pas s\u00eb cil\u00ebs kok\u00eb magnetike, e vendosur nga ana e prapme e disku, ndryshonte magnetizmin e seksionit p\u00ebrkat\u00ebs.<\/p>\n
Dallimi kryesor i k\u00ebtij qasje n\u00eb krahasim me HAMR ishte se leximi i informacionit b\u00ebhej gjithashtu me ndihm\u00ebn e nj\u00eb laseri me energji t\u00eb ul\u00ebt: rrezja e laserit polarizues kalonte p\u00ebrmes pllak\u00ebs s\u00eb diskut, reflektonte nga n\u00ebnlagji, dhe m\u00eb pas, duke kaluar p\u00ebrmes sistemit optik t\u00eb lexuesit, arrinte te sensori, i cili regjistronte ndryshimin e planeve t\u00eb polarizimit t\u00eb laserit. K\u00ebtu mund t\u00eb v\u00ebzhgohet p\u00ebrdorimi praktik i efektit Kerr (efekti elektro-optik katror), thelbi i t\u00eb cilit p\u00ebrfshin ndryshimin e indeksit t\u00eb thyese n\u00eb materialin optik, proporcional me katrorin e intensitetit t\u00eb fush\u00ebs elektromagnetike.<\/p>\n
Principi i leximit dhe shkrimit t\u00eb informacionit n\u00eb disqe magneto-optike<\/i><\/p>\n
Disqet\u00eb magnetooptike t\u00eb par\u00eb nuk mb\u00ebshtetnin ri-shkrimin dhe ishin t\u00eb sh\u00ebnuara me akronimin WORM (Write Once, Read Many), por m\u00eb von\u00eb u shfaq\u00ebn modele q\u00eb mb\u00ebshtesnin ri-shkrimin. Ri-shkrimi b\u00ebhej me tre kalime: s\u00eb pari, informatat fshiheshin nga disku, pastaj realizohej shkruarja dhe m\u00eb pas kryhej kontrolli i integritetit t\u00eb t\u00eb dh\u00ebnave. Ky qasje siguronte standard t\u00eb garantuar p\u00ebr cil\u00ebsin\u00eb e shkruarjes, duke e b\u00ebr\u00eb MO madje m\u00eb t\u00eb besuesh\u00ebm se disqet CD dhe DVD. Ndryshe nga disketat, mediumet magnetooptike ishin praktikisht t\u00eb paprekur nga demagnetizimi: sipas vler\u00ebsimeve t\u00eb prodhuesve, koha e ruajtjes s\u00eb t\u00eb dh\u00ebnave n\u00eb MO t\u00eb ri-shkruara \u00ebsht\u00eb jo m\u00eb pak se 50 vjet.<\/p>\n
Q\u00eb n\u00eb vitin 1989, tregu u mbush me disqet dyansh\u00ebm 5.25-in\u00e7 me kapacitet prej 650 MB, duke ofruar nj\u00eb shpejt\u00ebsi leximi deri n\u00eb 1 MB\/s dhe nj\u00eb koh\u00eb aksesi 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 gjejm\u00eb modele q\u00eb mbaheshin deri n\u00eb 9.1 GB t\u00eb dh\u00ebnash. Megjithat\u00eb, disqet kompakte 90 mm me kapacitet nga 128 deri n\u00eb 640 MB pat\u00ebn shp\u00ebrndarjen m\u00eb t\u00eb madhe.<\/p>\n
Disku kompakt magnetooptik me kapacitet 640 MB prodhuar nga Olympus<\/i><\/p>\n
Deri n\u00eb vitin 1994, kostoja e p\u00ebr nj\u00eb megabajt t\u00eb dh\u00ebnash, e ruajtur n\u00eb nj\u00eb ky\u00e7 t\u00eb till\u00eb, varionte nga 27 n\u00eb 50 cent, n\u00eb var\u00ebsi t\u00eb prodhuesit, \u00e7ka, p\u00ebrve\u00e7 performanc\u00ebs s\u00eb lart\u00eb dhe besueshm\u00ebris\u00eb, e b\u00ebnte at\u00eb nj\u00eb zgjidhje shum\u00eb kompetitive. Nj\u00eb avantazh shtes\u00eb i pajisjeve magneto-optike n\u00eb krahasim me ZIP, ishte mb\u00ebshtetje e nj\u00eb spektri t\u00eb gjer\u00eb interfacesh, p\u00ebrfshir\u00eb ATAPI, LPT, USB, SCSI, dhe IEEE-1394a.<\/p>\n
Pavar\u00ebsisht t\u00eb gjitha avantazheve t\u00eb saj, magnetooptika kishte gjithashtu disa disavantazhe. P\u00ebr shembull, ruajt\u00ebsit nga markat e ndryshme (dhe MO i prodhoi shum\u00eb kompani t\u00eb m\u00ebdha, p\u00ebrfshir\u00eb Sony, Fujitsu, Hitachi, Maxell, Mitsubishi, Olympus, Nikon, Sanyo dhe t\u00eb tjera) rezultuan t\u00eb papajtuesh\u00ebm me nj\u00ebri-tjetrin p\u00ebr shkak t\u00eb karakteristikave t\u00eb formatimit. Nga ana tjet\u00ebr, konsumimi i lart\u00eb i energjis\u00eb dhe nevoja p\u00ebr nj\u00eb sistem shtes\u00eb ftoh\u00ebs kufizuan p\u00ebrdorimin e k\u00ebtyre ng drives n\u00eb laptop\u00eb. P\u00ebr m\u00eb tep\u00ebr, cikli tre her\u00eb i b\u00ebri t\u00eb nevojshme nj\u00eb koh\u00eb m\u00eb t\u00eb gjat\u00eb p\u00ebr shkrim, dhe ky problem u zgjidh vet\u00ebm n\u00eb vitin 1997 me shfaqjen e teknologjis\u00eb LIMDOW (Light Intensity Modulated Direct Overwrite), e cila bashkoi dy fazat e para n\u00eb nj\u00eb, duke shtuar magnet\u00ebt e integruar n\u00eb karikuesin me disk, q\u00eb realizuan fshirjen e informacionit. Si rezultat, magnetooptika gradualisht humbi relevanc\u00ebn e saj edhe n\u00eb fush\u00ebn e ruajtjes afatgjat\u00eb t\u00eb t\u00eb dh\u00ebnave, duke i l\u00ebn\u00eb vendin streamer-ave klasik\u00eb LTO.<\/p>\n
M\u00eb duket se gjithmon\u00eb m\u00eb mungon di\u00e7ka...<\/h2>\n \nE gjith\u00eb kjo ilustron qart\u00eb faktin e thjesht\u00eb se, pavar\u00ebsisht nga sa brilante \u00ebsht\u00eb nj\u00eb shpikje, ajo duhet gjithashtu t\u00eb jet\u00eb n\u00eb koh\u00eb. IBM Simon ishte i destinuar p\u00ebr d\u00ebshtim, sepse n\u00eb momentin e shfaqjes s\u00eb tij, njer\u00ebzit nuk kishin nevoj\u00eb p\u00ebr mobilitetin absolut. Disket magnetooptike ishin nj\u00eb alternativ\u00eb e mir\u00eb p\u00ebr HDD-t\u00eb, megjithat\u00eb mbet\u00ebn n\u00eb duar t\u00eb profesionist\u00ebve dhe entuziast\u00ebve, sepse n\u00eb at\u00eb koh\u00eb konsumatori i zakonsh\u00ebm kishte m\u00eb shum\u00eb r\u00ebnd\u00ebsi p\u00ebr shpejt\u00ebsin\u00eb, leht\u00ebsin\u00eb dhe, sigurisht, \u00e7mimin, p\u00ebr t\u00eb cilat bler\u00ebsi i zakonsh\u00ebm ishte i gatsh\u00ebm t\u00eb sakrifikonte besueshm\u00ebrin\u00eb. Edhe ZIP-at, me t\u00eb gjitha avantazhet e tyre, nuk arrit\u00ebn kurr\u00eb t\u00eb b\u00ebheshin v\u00ebrtet mainstream, sepse njer\u00ebzve nuk u p\u00eblqente t\u00eb shqyrtonin \u00e7do disket\u00eb me lup\u00eb p\u00ebr t\u00eb gjetur ndonj\u00eb kresh\u00eb.<\/p>\n
Pik\u00ebrisht p\u00ebr k\u00ebt\u00eb arsye, seleksioni natyror n\u00eb fund t\u00eb fundit e ndau tregun n\u00eb dy drejtime paralele: disqe t\u00eb zhvendossh\u00ebm informacioni (CD, DVD, Blu-Ray), memorje flash (p\u00ebr ruajtjen e sasis\u00eb s\u00eb vog\u00ebl t\u00eb t\u00eb dh\u00ebnave) dhe hard disqe t\u00eb jasht\u00ebm (p\u00ebr sasi t\u00eb m\u00ebdha). Nd\u00ebr k\u00ebto t\u00eb fundit, standardi jozyrtar u b\u00eb modeli kompakti 2,5-in\u00e7 n\u00eb korpuset e ve\u00e7anta, t\u00eb cil\u00ebve ua kemi borxh kryesisht laptop\u00ebve. Nj\u00eb tjet\u00ebr shkak i popullaritetit t\u00eb tyre \u00ebsht\u00eb ekonomiciteti: n\u00ebse HDD-t\u00eb klasike 3,5-in\u00e7 n\u00eb nj\u00eb rast t\u00eb jasht\u00ebm nuk mund t\u00eb quhen 'portativ\u00eb', duke qen\u00eb se ato patjet\u00ebr k\u00ebrkonin lidhje me nj\u00eb burim t\u00eb jasht\u00ebm energjie (pra, do t\u00eb duhej t\u00eb merrnit gjithashtu nj\u00eb adapter), maksimumi q\u00eb do t\u00eb mund t\u00eb k\u00ebrkonte nj\u00eb 2,5-in\u00e7 disk \u00ebsht\u00eb nj\u00eb port USB shtes\u00eb, nd\u00ebrsa modelet m\u00eb t\u00eb vonshme dhe m\u00eb energji efikase nuk k\u00ebrkonin as k\u00ebt\u00eb.<\/p>\n
N\u00eb t\u00eb v\u00ebrtet\u00eb, ne i detyrohemi shfaqjen e HDD-ve miniatur\u00eb PrairieTek \u2014 nj\u00eb nd\u00ebrmarrjeje t\u00eb vog\u00ebl t\u00eb themeluar nga Terry Johnson n\u00eb vitin 1986. Pas vet\u00ebm tre vjet\u00ebsh q\u00eb nga hapja, PrairieTek prezantoi HDD-n\u00eb e par\u00eb n\u00eb bot\u00eb me madh\u00ebsi 2,5 in\u00e7 dhe kapacitet prej 20 MB, e quajtur PT-220. E duke qen\u00eb 30% m\u00eb kompakte n\u00eb krahasim me zgjidhjet desktop, ky disk kishte lart\u00ebsi vet\u00ebm 25 mm, duke u b\u00ebr\u00eb opsioni optimal p\u00ebr p\u00ebrdorim n\u00eb laptop\u00eb. Fatkeq\u00ebsisht, edhe duke qen\u00eb pionier\u00eb n\u00eb tregun e HDD-ve miniatur\u00eb, PrairieTek nuk arriti ta fitoj\u00eb tregun, duke b\u00ebr\u00eb nj\u00eb gabim fatal strategjik. Pasi vendos\u00ebn prodhimin e PT-220, ata p\u00ebrqendruan p\u00ebrpjekjet n\u00eb miniaturizimin e m\u00ebtejsh\u00ebm, duke l\u00ebshuar s\u00eb shpejti modelin PT-120, i cili me t\u00eb nj\u00ebjtin kapacitet dhe karakteristika shpejt\u00ebsie kishte trash\u00ebsi vet\u00ebm 17 mm.<\/p>\n
Disku i ngurt\u00eb 2,5-in\u00e7 i brezit t\u00eb dyt\u00eb PrairieTek PT-120<\/i><\/p>\n
Kalkulimi konsistonte n\u00eb faktin se, nd\u00ebrsa inxhinier\u00ebt e PrairieTek luftonin p\u00ebr \u00e7do milimet\u00ebr, konkurruesit si JVC dhe Conner Peripherals po rritnin volumin e disqeve t\u00eb forta, dhe kjo rezultoi t\u00eb ishte vendimtare n\u00eb nj\u00eb p\u00ebrballje t\u00eb till\u00eb t\u00eb pabarabart\u00eb. Duke u p\u00ebrpjekur t\u00eb arrinin trenin n\u00eb ikje, PrairieTek iu bashkua nj\u00eb gare armatimi, duke p\u00ebrgatitur modelin PT-240, q\u00eb p\u00ebrmbante 42.8 MB t\u00eb dh\u00ebnash dhe karakterizohej nga nj\u00eb konsum rekord t\u00eb energjis\u00eb p\u00ebr at\u00eb koh\u00eb \u2014 vet\u00ebm 1.5 W. Por, me keqardhje, madje edhe kjo nuk e shp\u00ebtoi kompanin\u00eb nga falimentimi, dhe si rezultat, n\u00eb vitin 1991, ajo e ndali ekzistenc\u00ebn e saj.<\/p>\n
Historia e PrairieTek \u00ebsht\u00eb nj\u00eb ilust\u00ebrim tjet\u00ebr i qart\u00eb se si arritjet teknologjike, sado t\u00eb m\u00ebdha t\u00eb duken, p\u00ebr shkak t\u00eb moskorespondenc\u00ebs s\u00eb tyre n\u00eb koh\u00eb, mund t\u00eb mos ket\u00eb k\u00ebrkes\u00eb nga tregu. N\u00eb fillim t\u00eb viteve '90, konsumatori ende nuk ishte i tepruar me ultrabook dhe smartphone t\u00eb jasht\u00ebzakonsh\u00ebm, prandaj nuk kishte nj\u00eb k\u00ebrkes\u00eb t\u00eb menj\u00ebhershme p\u00ebr disqe t\u00eb till\u00eb. Mjafton t\u00eb kujtohet tabletin e par\u00eb GridPad, l\u00ebshuar nga GRiD Systems Corporation n\u00eb vitin 1989: pajisja 'portative' peshonte m\u00eb shum\u00eb se 2 kg dhe trash\u00ebsia e saj arrinte deri n\u00eb 3.6 cm!<\/p>\n
GridPad \u2014 tableti i par\u00eb n\u00eb bot\u00eb<\/i><\/p>\n
Dhe nj\u00eb \"f\u00ebmij\u00eb\" i till\u00eb n\u00eb at\u00eb koh\u00eb konsiderohej plot\u00ebsisht kompakt dhe i p\u00ebrshtatsh\u00ebm: p\u00ebrdoruesi p\u00ebrfundimtar nuk pash\u00eb ask\u00ebnd tjet\u00ebr m\u00eb t\u00eb mir\u00eb. N\u00eb t\u00eb nj\u00ebjt\u00ebn koh\u00eb, \u00e7\u00ebshtja e hap\u00ebsir\u00ebs diskore ishte shum\u00eb m\u00eb e mpreht\u00eb. I nj\u00ebjti GridPad, p\u00ebr shembull, nuk kishte fare nj\u00eb hard disk: ruajtja e informacionit ishte realizuar mbi baz\u00ebn e \u00e7ip\u00ebve RAM, t\u00eb cil\u00ebt mbaheshin me energji nga bateria t\u00eb integruara. N\u00eb sfondin e pajisjeve t\u00eb k\u00ebtij lloji, Toshiba T100X (DynaPad), i shfaqur m\u00eb von\u00eb, dukej 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. Ajo q\u00eb kishte nj\u00eb trash\u00ebsi prej 4 centimetra, nuk e shqet\u00ebsonte ask\u00ebnd.<\/p>\n
Tableta Toshiba T100X, m\u00eb e njohur n\u00eb Japoni me emrin DynaPad<\/i><\/p>\n
Megjithat\u00eb, si\u00e7 dihet, apetiti vjen gjat\u00eb ngr\u00ebnies. \u00c7do vit, k\u00ebrkesat e p\u00ebrdoruesve rriteshin, dhe p\u00ebrmbushja e tyre b\u00ebhej gjithnj\u00eb e m\u00eb e v\u00ebshtir\u00eb. Me rritjen e kapacitetit dhe shpejt\u00ebsis\u00eb s\u00eb mjeteve t\u00eb informacionit, gjithnj\u00eb e m\u00eb shum\u00eb njer\u00ebz filluan t\u00eb mendojn\u00eb se pajisjet mobile do t\u00eb mund t\u00eb ishin m\u00eb kompakte, dhe gjithashtu do t\u00eb ishte e dobishme t\u00eb kishin nj\u00eb memorje portative q\u00eb mund t\u00eb p\u00ebrmbante t\u00eb gjitha skedar\u00ebt e nevojsh\u00ebm. Me fjal\u00eb t\u00eb tjera, n\u00eb treg u shfaq nj\u00eb k\u00ebrkes\u00eb p\u00ebr pajisje q\u00eb ishin krejt\u00ebsisht ndryshe n\u00eb aspektin e komoditetit dhe ergonomis\u00eb, t\u00eb cilat duhej t\u00eb p\u00ebrmbusheshin, dhe p\u00ebrballja e kompanive IT vazhdoi me forc\u00eb t\u00eb re.<\/p>\n
\u00cbsht\u00eb e r\u00ebnd\u00ebsishme t\u00eb rikujtojm\u00eb epigraf\u0131n e sot\u00ebm. Epoka e disqeve t\u00eb ngurta filloi shum\u00eb m\u00eb p\u00ebrpara se vitet 2000: prototipi i par\u00eb i kujtes\u00ebs flash u krijua nga inxhinieri Fujio Masuoka n\u00eb brend\u00ebsi t\u00eb korporat\u00ebs Toshiba q\u00eb n\u00eb vitin 1984, nd\u00ebrsa produkti i par\u00eb komercial mbi baza t\u00eb saj, Digipro FlashDisk, doli n\u00eb treg n\u00eb vitin 1988. Ky mrekulli teknologjike kishte kapacitet p\u00ebr 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 SSD komercial<\/i><\/p>\n
Tendenca e re u mb\u00ebshtet nga Digital Equipment Corporation, e cila prezantoi n\u00eb fillim t\u00eb viteve '90 pajisjet 5,25 in\u00e7 t\u00eb seris\u00eb EZ5x me mb\u00ebshtetje p\u00ebr nd\u00ebrfaqet SCSI-1 dhe SCSI-2. As kompania izraelite M-Systems nuk mbeti n\u00eb an\u00eb, duke njoftuar n\u00eb vitin 1990 familjen e disqeve t\u00eb ngurt\u00eb t\u00eb quajtur Fast Flash Disk (ose FFD), t\u00eb cilat tashm\u00eb e kishin nj\u00eb form\u00eb m\u00eb moderne: SSD kishin format 3,5 in\u00e7 dhe mund t\u00eb ruanin nga 16 deri n\u00eb 896 megabajt t\u00eb dh\u00ebnash. Modeli i par\u00eb, i quajtur FFD-350, doli n\u00eb drit\u00eb n\u00eb vitin 1995.<\/p>\n
M-Systems FFD-350 me 208 MB \u2014 pararend\u00ebs i SSD-ve moderne<\/i><\/p>\n
Ndryshe nga disqet tradicionale, SSD-t\u00eb ishin m\u00eb kompakte, ofronin nj\u00eb performanc\u00eb m\u00eb t\u00eb lart\u00eb dhe, m\u00eb e r\u00ebnd\u00ebsishmja, ishin t\u00eb q\u00ebndrueshme ndaj goditjeve dhe dridhjeve t\u00eb forta. Potencialisht, kjo i b\u00ebnte ata kandidat\u00eb praktikisht ideal p\u00ebr krijimin e pajisjeve mobile p\u00ebr ruajtjen e t\u00eb dh\u00ebnave, n\u00ebse nuk do t\u00eb ishte nj\u00eb \"por\": \u00e7mimet e larta p\u00ebr nj\u00ebsi ruajtjeje, duke e b\u00ebr\u00eb k\u00ebshtu t\u00eb pamundur implementimin e till\u00eb n\u00eb tregun e konsumator\u00ebve. Ata ishin t\u00eb njohur n\u00eb mjedisin korporativ, u p\u00ebrdor\u00ebn n\u00eb aviacion p\u00ebr krijimin e \"kutive t\u00eb zeza\", u instaluan n\u00eb superkompjuter\u00ebt e qendrave k\u00ebrkimore, megjithat\u00eb, krijimi i nj\u00eb produkti p\u00ebr tregti n\u00eb at\u00eb koh\u00eb nuk mund t\u00eb ishte n\u00eb diskutim: askush nuk do t\u00eb blinte nj\u00eb produkt t\u00eb till\u00eb, edhe n\u00ebse ndonj\u00eb korporat\u00eb do t\u00eb vendoste ta shiste at\u00eb n\u00eb \u00e7mimin e saj m\u00eb t\u00eb ul\u00ebt.<\/p>\n
Por ndryshimet n\u00eb treg nuk vonuan t\u00eb ndodhin. Zhvillimi i segmentit t\u00eb konsumator\u00ebve t\u00eb SSD-ve t\u00eb huazuara u frym\u00ebzua n\u00eb mas\u00eb t\u00eb madhe nga fotografia digjitale, pasi pik\u00ebrisht n\u00eb k\u00ebt\u00eb fush\u00eb kishte nj\u00eb munges\u00eb t\u00eb r\u00ebnd\u00eb t\u00eb mediave informacioni kompakte dhe energjikisht efikase. Gjykoni vet\u00eb.<\/p>\n
Kamera e par\u00eb digjitale n\u00eb bot\u00eb u shfaq (p\u00ebr t\u00eb kujtuar s\u00ebrish fjal\u00ebt e Ekleziastit) n\u00eb dhjetor t\u00eb vitit 1975: ajo u shpik nga Steven Sasson, inxhinier n\u00eb kompanin\u00eb Eastman Kodak Company. Nj\u00eb prototip p\u00ebrb\u00ebhej nga disa dhjet\u00ebra plaka elektrike, nj\u00eb bllok optik i marr\u00eb nga Kodak Super 8, dhe nj\u00eb magnetofon (fotografit\u00eb regjistroheshin n\u00eb kaseta audio t\u00eb zakonshme). Si burim energjie p\u00ebr kamer\u00ebn u p\u00ebrdor\u00ebn 16 bateri nik\u00ebl-kadmiumi, dhe gjith\u00e7ka peshoi 3.6 kg.<\/p>\n
Prototipi i par\u00eb i kamer\u00ebs digjitale, krijuar nga Eastman Kodak Company<\/i> <\/p>\n
Rezolucioni i matrit PZC t\u00eb nj\u00eb \"f\u00ebmije\" t\u00eb till\u00eb ishte vet\u00ebm 0.01 megapiksela, duke lejuar t\u00eb merrte kronika 125\u00d780 piksel, nd\u00ebrsa duhej 23 sekonda p\u00ebr formimin e secil\u00ebs foto. Duke marr\u00eb parasysh karakteristikat kaq \"impresive\", nj\u00eb aparat i till\u00eb humbiste n\u00eb \u00e7do aspekt p\u00ebrball\u00eb kamerave tradicionale me film, prandaj nuk mund t\u00eb fliste p\u00ebr krijimin e nj\u00eb produkti komercial mbi t\u00eb, megjithat\u00eb m\u00eb von\u00eb shpikja u njoh si nj\u00eb nga pik\u00ebt 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 s\u00eb Konsumit (Consumer Electronics Hall of Fame).<\/p>\n
Pas 6 vjet\u00ebsh, iniciativa e Kodak u kap nga Sony, duke shpallur m\u00eb 25 Gusht 1981 kamer\u00ebn video-foto pa film Mavica (emri \u00ebsht\u00eb nj\u00eb akronim p\u00ebr Magnetic Video Camera).<\/p>\n
Nj\u00eb most\u00ebr e eksperimenteve t\u00eb aparatit fotografik digjital Sony Mavica<\/i><\/p>\n
Kamera nga gjigandi japonez ishte shum\u00eb m\u00eb interesante: nj\u00eb most\u00ebr e zhvilluar p\u00ebrdorte nj\u00eb matrice CCD me p\u00ebrmasa 10 p\u00ebr 12 mm dhe mund t\u00eb mburrej me nj\u00eb rezolut\u00eb maksimale prej 570 x 490 piksel\u00ebsh, nd\u00ebrsa regjistrimi b\u00ebhej n\u00eb disqet kompakte Mavipack me diamet\u00ebr 2 in\u00e7, t\u00eb cilat ishin n\u00eb gjendje t\u00eb nxisnin nga 25 deri n\u00eb 50 kuadro n\u00eb var\u00ebsi t\u00eb modit t\u00eb fotografimit. E gjith\u00eb \u00e7\u00ebshtja \u00ebsht\u00eb se \u043a\u0430\u0434ri i formuar p\u00ebrb\u00ebhej nga dy fushat televizive, \u00e7do nj\u00ebra prej t\u00eb cilave regjistrohej si video kompozite, p\u00ebr m\u00eb tep\u00ebr kishte mund\u00ebsin\u00eb p\u00ebr t\u00eb regjistruar si t\u00eb dy fushat nj\u00ebher\u00ebsh, ashtu edhe vet\u00ebm nj\u00eb. N\u00eb k\u00ebt\u00eb rast t\u00eb fundit, rezoluta e kuadrit binte n\u00eb 2 her\u00eb, por peshonte gjithashtu dyfish m\u00eb pak.<\/p>\n
Fillimisht, Sony planifikonte t\u00eb fillonte prodhimin n\u00eb seri t\u00eb Mavica n\u00eb vitin 1983, dhe \u00e7mimi me pakic\u00eb p\u00ebr kamerat pritej t\u00eb ishte $650. N\u00eb praktik\u00eb, mostrat e para industriale u shfaq\u00ebn vet\u00ebm n\u00eb vitin 1984, nd\u00ebrsa realizimi komercial i projektit n\u00eb form\u00ebn e Mavica MVC-A7AF dhe Pro Mavica MVC-2000 doli n\u00eb pah vet\u00ebm n\u00eb vitin 1986, p\u00ebr m\u00eb tep\u00ebr kamerat kishin nj\u00eb kosto pothuajse dhjet\u00eb her\u00eb m\u00eb t\u00eb lart\u00eb se sa ishte parashikuar fillimisht.<\/p>\n
Kamera digjitale Sony Pro Mavica MVC-2000<\/i><\/p>\n
Megjith\u00ebse \u00e7mimi dhe inovativiteti jan\u00eb fantastike, nuk do t\u00eb ishte e drejt\u00eb t\u00eb quhen Mavica t\u00eb par\u00ebt nj\u00eb zgjidhje ideale p\u00ebr p\u00ebrdorim profesional, megjithat\u00eb n\u00eb situata t\u00eb caktuara k\u00ebto aparate fotografik\u00eb u treguan pothuajse si zgjidhje ideale. P\u00ebr shembull, reporter\u00ebt e kanalit CNN p\u00ebrdor\u00ebn Sony Pro Mavica MVC-5000 p\u00ebr t\u00eb mbuluar ngjarjet e 4 qershorit n\u00eb Sheshin Tiananmen. Modeli i p\u00ebrmir\u00ebsuar kishte dy mat\u00ebse CCD t\u00eb pavarura, nj\u00ebra prej t\u00eb cilave formonte sinjalin e videos me ndri\u00e7im, nd\u00ebrsa tjetra \u2014 sinjalin e ngjyrave. Ky qasje lejojti heqjen e filtrit ngjyror Bayer dhe rritjen e zgjidhjes horizontale n\u00eb 500 TVL. Megjithat\u00eb, p\u00ebrpar\u00ebsia kryesore e kamer\u00ebs ishte mb\u00ebshtetje p\u00ebr lidhje t\u00eb drejtp\u00ebrdrejt\u00eb me modulin PSC-6, i cili lejonte d\u00ebrgimin e imazheve t\u00eb marra p\u00ebrmes kanali radiojn\u00ebse direkt n\u00eb redaksin\u00eb. Pik\u00ebrisht fal\u00eb k\u00ebsaj, CNN arriti t\u00eb publikonte t\u00eb par\u00ebt nj\u00eb raport nga vendi i ngjarjeve, nd\u00ebrsa Sony p\u00ebrfundimisht mori nj\u00eb \u00e7mim special 'Emmy' p\u00ebr kontributin n\u00eb zhvillimin e transfert\u00ebs digjitale t\u00eb fotografive t\u00eb lajmeve.<\/p>\n
Sony Pro Mavica MVC-5000 \u2014 \u00ebsht\u00eb ajo kamera, fal\u00eb s\u00eb cil\u00ebs Sony u b\u00eb fituese e \u00e7mimit 'Emmy'<\/i><\/p>\n
Porodidy, \u00e7far\u00eb ndodh n\u00ebse fotografin i duhet t\u00eb shkoj\u00eb p\u00ebr nj\u00eb koh\u00eb t\u00eb gjat\u00eb n\u00eb nj\u00eb mision n\u00eb vende t\u00eb larg\u00ebta? N\u00eb k\u00ebt\u00eb rast, ai mund t\u00eb marr\u00eb me vete nj\u00eb nga kamerat e shk\u00eblqyera Kodak DCS 100, t\u00eb cilat dol\u00ebn n\u00eb maj 1991. Nj\u00eb hibrid monstruoz i kamer\u00ebs s\u00eb pasqyr\u00ebs Nikon F3 HP me nj\u00eb sistem dixhital DCS Digital Film Back, i pajisur me nj\u00eb holder, bashkohej me nj\u00eb nj\u00ebsi t\u00eb jashtme ruajtjeje t\u00eb dh\u00ebnash, Digital Storage Unit (duhej ta mbanin mbi supe) p\u00ebrmes nj\u00eb kabllori.<\/p>\n
Kamera dixhitale Kodak DCS 100 \u2014 mish\u00ebrimi i \"kompakt\u00ebsis\u00eb\"<\/i><\/p>\n
Kodak ofronte dy modele, secila me disa variacione: DCS DC3 me ngjyra dhe DCS DM3 bardh\u00eb e zi. T\u00eb gjitha kamerat e gam\u00ebs ishin t\u00eb pajisura me sensore me rezolucion 1.3 megapiksel, por ndryshonin n\u00eb madh\u00ebsin\u00eb e tamponit, i cili p\u00ebrcaktonte numrin maksimal t\u00eb kadrave t\u00eb mundshme n\u00eb serit\u00eb e shkrepjeve. P\u00ebr shembull, modifikimet me 8 MB n\u00eb bord mund t\u00eb shkrepnin me shpejt\u00ebsi 2.5 kadrave p\u00ebr sekond\u00eb p\u00ebr serie prej 6 kadrash, nd\u00ebrsa ato m\u00eb t\u00eb avancuara, 32-megabajt\u00ebsit, lejonin nj\u00eb gjat\u00ebsi serie prej 24 kadrash. N\u00ebse ky kufi kishte kaluar, shpejt\u00ebsia e shkrepjes binte n\u00eb 1 kad\u00ebr p\u00ebr 2 sekonda derisa tamponi t\u00eb pastrohej plot\u00ebsisht.<\/p>\n
Sa i p\u00ebrket bllokut DSU, ai ishte i pajisur me nj\u00eb hard disk 3,5-inch me kapacitet 200 MB, i aft\u00eb p\u00ebr t\u00eb ruajtur nga 156 foto \"t\u00eb pap\u00ebrpunuara\" deri n\u00eb 600 t\u00eb kompresuara me nj\u00eb konvertues JPEG hardueri (i cili blihej dhe instalable ve\u00e7mas), dhe nj\u00eb ekran LCD p\u00ebr shikimin e imazheve. Ruajtja inteligjente madje lejonte shtimin e p\u00ebrshkrimeve t\u00eb shkurtuara 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 arrinte 3,5 kg, nd\u00ebrsa pesha totale e paket\u00ebs arrinte n\u00eb 5 kg.<\/p>\n
Pavar\u00ebsisht nga niveli i dyshimt\u00eb i leht\u00ebsis\u00eb dhe \u00e7mimi prej 20 deri n\u00eb 25 mij\u00eb dollar\u00eb (n\u00eb konfigurimin maksimal), gjat\u00eb tre viteve t\u00eb ardhsh\u00ebm jan\u00eb shitur rreth 1000 pajisje t\u00eb tilla, t\u00eb cilat, p\u00ebrve\u00e7 gazetar\u00ebve, u interesuan institucioneve mjek\u00ebsore, policis\u00eb dhe disa nd\u00ebrmarrjeve industriale. Me fjal\u00eb t\u00eb tjera, kishte nj\u00eb k\u00ebrkes\u00eb p\u00ebr k\u00ebt\u00eb produkt, ashtu si kishte nj\u00eb nevoj\u00eb t\u00eb madhe p\u00ebr ruajt\u00ebs m\u00eb kompakt\u00eb t\u00eb informacionit. Nj\u00eb zgjidhje e p\u00ebrshtatshme u ofrua nga kompania SanDisk, e cila prezantoi standardin CompactFlash n\u00eb vitin 1994.<\/p>\n
Kartat e memories CompactFlash, t\u00eb l\u00ebshuara nga kompania SanDisk, dhe adaptori PCMCIA p\u00ebr t'i lidhur ato me PC<\/i><\/p>\n
Formati i ri doli kaq mir\u00eb sa \u00ebsht\u00eb duke u p\u00ebrdorur me sukses edhe sot, nd\u00ebrsa CompactFlash Association, e krijuar n\u00eb vitin 1995, ka mbi 200 kompani an\u00ebtare deri m\u00eb tani, 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 kishin dimensione 42 mm n\u00eb 36 mm me trash\u00ebsi 3.3 mm. Nd\u00ebrfaqja fizike e ruajt\u00ebsve n\u00eb thelb p\u00ebrfaq\u00ebsonte nj\u00eb version t\u00eb shkurtuar t\u00eb PCMCIA (50 pin\u00eb n\u00eb vend t\u00eb 68), duke e b\u00ebr\u00eb t\u00eb mundur lidhjen e till\u00eb me nj\u00eb lidh\u00ebs p\u00ebr kartat e zgjerimit PCMCIA Type II p\u00ebrmes nj\u00eb adaptori pasiv. Po ashtu, p\u00ebrmes nj\u00eb adaptori pasiv, CompactFlash mund t\u00eb shk\u00ebmbej\u00eb t\u00eb dh\u00ebna me pajisje periferike p\u00ebrmes IDE (ATA), nd\u00ebrsa adapter\u00eb aktiv\u00eb t\u00eb specializuar lejonin pun\u00ebn me nd\u00ebrfaqe sekondare (USB, FireWire, SATA).<\/p>\n
Sidoq\u00eb se ka nj\u00eb kapacitet relativisht t\u00eb vog\u00ebl (CompactFlash t\u00eb para mund t\u00eb ruanin vet\u00ebm 2 MB t\u00eb dh\u00ebnash), karta e memories s\u00eb k\u00ebtij tipi ishte shum\u00eb e k\u00ebrkuar n\u00eb mjedisin profesional p\u00ebr shkak t\u00eb kompakt\u00ebsis\u00eb, efikasitetit (nj\u00eb aksesor i till\u00eb konsumonte rreth 5% t\u00eb energjis\u00eb elektrike krahasuar me HDD-t\u00eb e zakonsh\u00ebm 2.5 in\u00e7, duke lejuar nj\u00eb zgjedhje t\u00eb gjat\u00eb t\u00eb jet\u00ebs s\u00eb bateris\u00eb n\u00eb pajisjet portative) dhe universialitetit, i cili arrihej p\u00ebrmes mb\u00ebshtetjes s\u00eb shum\u00eb nd\u00ebrfaqeve t\u00eb ndryshme, si dhe mund\u00ebsis\u00eb s\u00eb pun\u00ebs nga nj\u00eb burim energjie me tension 3.3 ose 5 volt, dhe m\u00eb kryesorja \u2014 q\u00ebndres\u00ebs s\u00eb jasht\u00ebzakonshme ndaj ngarkesave mbi 2000 g, nj\u00eb standard q\u00eb ishte praktikisht i paarritsh\u00ebm p\u00ebr disqet klasike.<\/p>\n
E gjith\u00eb \u00e7\u00ebshtja \u00ebsht\u00eb se krijimi i disqeve duro t\u00eb vertet\u00eb \u00ebsht\u00eb teknikisht e pamundur p\u00ebr shkak t\u00eb karakteristikave t\u00eb tyre nd\u00ebrtimore. N\u00eb rast r\u00ebnie, \u00e7do objekt \u00ebsht\u00eb n\u00ebn efektin e forc\u00ebs kinetike mbi qindra, madje mij\u00ebra g (akcelerimi standard i gravitetit, i barabart\u00eb me 9.8 m\/s\u00b2) p\u00ebr m\u00eb pak se 1 milisekond\u00eb, gj\u00eb q\u00eb p\u00ebr HDD-t\u00eb klasike sjell nj\u00eb num\u00ebr pasojash mjaft t\u00eb padisht\u00eb, nd\u00ebr t\u00eb cilat duhet t\u00eb theksohet:<\/p>\n
\nrr\u00ebshqitje dhe zhvendosje e pllakatave magnetike;<\/li>\n shfaqja e l\u00ebvizjes n\u00eb lidh\u00ebs, p\u00ebrdorimi i tyre i parakohsh\u00ebm;<\/li>\n goditja e kokave n\u00eb sip\u00ebrfaqen e pllakatave magnetike.<\/li>\n<\/ul>\n\nSituata m\u00eb e rrezikshme p\u00ebr diskun \u00ebsht\u00eb pik\u00ebrisht ajo e fundit. Kur energjia e goditjes \u00ebsht\u00eb e drejtuar n\u00eb m\u00ebnyr\u00eb perpendikular ose n\u00ebn nj\u00eb k\u00ebnd t\u00eb vog\u00ebl me planin horizontal t\u00eb HDD, kryesit magnetik s\u00eb pari devijojn\u00eb nga pozita e tyre origjinale dhe pastaj n\u00eb m\u00ebnyr\u00eb t\u00eb papritur zhyten n\u00eb sip\u00ebrfaqen e pllak\u00ebs, duke goditur at\u00eb me skajin e saj, si rezultat i s\u00eb cil\u00ebs, pllakata magnetike p\u00ebson d\u00ebmtime sip\u00ebrfaq\u00ebsore. P\u00ebr m\u00eb tep\u00ebr, nuk nd\u00ebshkohet vet\u00ebm ai vend ku ndodhi goditja (i cili, p\u00ebr t\u00eb th\u00ebn\u00eb t\u00eb drejt\u00ebn, mund t\u00eb ket\u00eb nj\u00eb p\u00ebrmas\u00eb t\u00eb konsiderueshme n\u00ebse gjat\u00eb r\u00ebnies ishin duke u regjistruar ose lexuar informacione), por edhe zona ku shp\u00ebrndahen grimcat mikro magnetike: duke qen\u00eb se jan\u00eb magnetizuar, ato nuk l\u00ebvizin p\u00ebr shkak t\u00eb forc\u00ebs centrifugale drejt periferis\u00eb, duke mbetur n\u00eb sip\u00ebrfaqen e pllak\u00ebs magnetike, duke penguar operacionet normale t\u00eb leximit\/shkrimit dhe duke kontribuar n\u00eb d\u00ebmtimin e m\u00ebtejsh\u00ebm si t\u00eb pllak\u00ebs ashtu edhe t\u00eb kryesit t\u00eb shkrimit. N\u00ebse goditja \u00ebsht\u00eb mjaft e fort\u00eb, 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
Me gjith\u00eb \u00e7ka t\u00eb th\u00ebn\u00eb m\u00eb sip\u00ebr, p\u00ebr reporter\u00ebt e fotografis\u00eb, disk\u00ebt e rinj ishin me t\u00eb v\u00ebrtet\u00eb t\u00eb paz\u00ebvend\u00ebsuesh\u00ebm: \u00ebsht\u00eb shum\u00eb m\u00eb mir\u00eb t\u00eb kesh nj\u00eb dhjet\u00eb t\u00eb thjeshta se sa t\u00eb bart\u00ebsh nj\u00eb aparat t\u00eb madh sa nj\u00eb videotape, i cili do t\u00eb prisheshte me nj\u00eb siguri t\u00eb madhe n\u00eb rast goditjeje t\u00eb vog\u00ebl. Megjithat\u00eb, p\u00ebr konsumatorin e zakonsh\u00ebm, kartat e memories ishin ende shum\u00eb t\u00eb shtrenjta. Kjo \u00ebsht\u00eb arsyeja pse Sony me \"kubin\" Mavica MVC-FD, i cili ruante fotografi n\u00eb disk\u00eb t\u00eb zakonsh\u00ebm 3,5-in\u00e7, t\u00eb formatizuar n\u00eb DOS FAT12, dominuar me sukses tregun e \"kamarier\u00ebve\", duke siguruar p\u00ebrputhshm\u00ebri me pothuajse \u00e7do PC t\u00eb at\u00ebhersh\u00ebm.<\/p>\n
Kamera dixhitale amatore Sony Mavica MVC-FD73<\/i><\/p>\n
Dhe k\u00ebshtu vazhdoi deri n\u00eb fund t\u00eb dekad\u00ebs, derisa nd\u00ebrhyri IBM. Megjithat\u00eb, p\u00ebr k\u00ebt\u00eb do t\u00eb flasim n\u00eb materialin tjet\u00ebr.<\/p>\n
Cilat pajisje t\u00eb pazakonta keni hasur ju? A keni pasur rastin t\u00eb fotografoni me Mavica, t\u00eb shihni me sy agonin\u00eb e Iomega ZIP ose t\u00eb p\u00ebrdorni Toshiba T100X? Ndani historit\u00eb tuaja n\u00eb komente.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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