{"id":5682,"date":"2025-10-17T00:00:00","date_gmt":"2025-10-16T21:00:00","guid":{"rendered":"https:\/\/elmeistrai.lt\/?p=5682"},"modified":"2025-10-06T16:31:53","modified_gmt":"2025-10-06T13:31:53","slug":"klaviaturos-qwerty-isdestymo-priezastys","status":"publish","type":"post","link":"https:\/\/elmeistrai.lt\/en\/klaviaturos-qwerty-isdestymo-priezastys\/","title":{"rendered":"Klaviat\u016bros QWERTY i\u0161d\u0117stymo prie\u017eastys"},"content":{"rendered":"<h2 class=\"wp-block-heading\">Kod\u0117l raid\u0117s i\u0161d\u0117stytos b\u016btent taip?<\/h2>\n\n\n\n<p>Kiekvien\u0105 dien\u0105 m\u016bs\u0173 pir\u0161tai \u0161mi\u017ein\u0117ja per klaviat\u016br\u0105, spausdindami lai\u0161kus, prane\u0161imus ar darbo dokumentus. Bet ar kada susim\u0105st\u0117te, kod\u0117l raid\u0117s i\u0161d\u0117stytos b\u016btent tokia keista tvarka? Q, W, E, R, T, Y \u2013 \u0161is seka atrodo visi\u0161kai atsitiktin\u0117, jei pagalvotume logi\u0161kai. Juk b\u016bt\u0173 daug papras\u010diau i\u0161d\u0117styti raides ab\u0117c\u0117l\u0117s tvarka arba pagal j\u0173 naudojimo da\u017enum\u0105. Ta\u010diau \u0161is keistas i\u0161d\u0117stymas turi ilg\u0105 istorij\u0105, kurioje susipyn\u0117 in\u017eineriniai apribojimai, verslo sprendimai ir net keletas mit\u0173.<\/p>\n\n\n\n<p>QWERTY klaviat\u016bros atsiradimas siekia XIX am\u017eiaus vidur\u012f, kai ra\u0161omosios ma\u0161in\u0117l\u0117s tik prad\u0117jo keisti pasaul\u012f. \u0160is i\u0161d\u0117stymas n\u0117ra atsitiktinumas \u2013 jis buvo sukurtas sprend\u017eiant konkre\u010dias technines problemas, su kuriomis susid\u016br\u0117 pirm\u0173j\u0173 ra\u0161om\u0173j\u0173 ma\u0161in\u0117li\u0173 k\u016br\u0117jai. \u012edomiausia tai, kad nors tos problemos seniai i\u0161nyko, QWERTY i\u0161d\u0117stymas i\u0161liko ir \u0161iandien dominuoja beveik visame pasaulyje.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Ra\u0161om\u0173j\u0173 ma\u0161in\u0117li\u0173 era ir mechaniniai i\u0161\u0161\u016bkiai<\/h2>\n\n\n\n<p>1868 metais amerikietis i\u0161rad\u0117jas Christopheris Lathamas Sholesas kartu su savo komanda suk\u016br\u0117 vien\u0105 pirm\u0173j\u0173 komercini\u0173 ra\u0161om\u0173j\u0173 ma\u0161in\u0117li\u0173. Ankstyvosios versijos tur\u0117jo raides i\u0161d\u0117stytas ab\u0117c\u0117l\u0117s tvarka, kas atrod\u0117 visi\u0161kai logi\u0161ka. Ta\u010diau greitai paai\u0161k\u0117jo rimta problema \u2013 kai ra\u0161antis \u017emogus spausdavo per greitai ir ypa\u010d kai spausdavo greta esan\u010dias raides i\u0161 eil\u0117s, mechaniniai svirtys, kurios k\u0117l\u0117 raides ant popieriaus, u\u017esikabindavo viena u\u017e kitos.<\/p>\n\n\n\n<p>\u012esivaizduokite toki\u0105 konstrukcij\u0105: kiekviena klavi\u0161o raid\u0117 buvo prijungta prie ilgo metalinio svirties su raide ant galo. Kai spausdavote klavi\u0161\u0105, tas svirtis kildavo ir sm\u016bgiuodavo \u012f ra\u0161alin\u0119 juostel\u0119, palikdamas raid\u0117s atspaud\u0105 ant popieriaus. Visos tos svirtys buvo i\u0161d\u0117stytos pusapskritimiu ir susitikdavo viename ta\u0161ke \u2013 b\u016btent ten, kur vykdavo spausdinimas. Jei du gretimi svirtys pakildavo beveik vienu metu, jie tiesiog susikabindavo ore, ir ma\u0161in\u0117l\u0117 u\u017estrigdavo.<\/p>\n\n\n\n<p>Sholesas ir jo komanda suprato, kad reikia kaip nors i\u0161spr\u0119sti \u0161i\u0105 problem\u0105. J\u0173 sprendimas buvo geniali\u0161kai paprastas \u2013 i\u0161skaidyti da\u017eniausiai kartu naudojamas raides po skirtingas klaviat\u016bros vietas. Tokiu b\u016bdu mechaniniai svirtys, atsakingi u\u017e da\u017enai kartu spausdinamas raides, b\u016bt\u0173 fizi\u0161kai toliau vienas nuo kito ir tur\u0117t\u0173 ma\u017eesn\u0119 tikimyb\u0119 susikabinti.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Kaip gim\u0117 QWERTY i\u0161d\u0117stymas<\/h2>\n\n\n\n<p>Procesas nebuvo greitas ar paprastas. Sholesas kelerius metus eksperimentavo su \u012fvairiais raid\u017ei\u0173 i\u0161d\u0117stymais, steb\u0117damas, kurios raid\u0117s angl\u0173 kalboje da\u017eniausiai naudojamos kartu. Jis analizavo \u017eod\u017ei\u0173 strukt\u016br\u0105 ir band\u0117 rasti optimal\u0173 balans\u0105 tarp grei\u010dio ir patikimumo. Pavyzd\u017eiui, raid\u0117s T ir H da\u017enai eina kartu \u017eodyje &#8222;the&#8221; (da\u017eniausias \u017eodis angl\u0173 kalboje), tod\u0117l jos buvo i\u0161skirstytos \u2013 T atsid\u016br\u0117 vir\u0161utin\u0117je eil\u0117je, o H apatin\u0117je.<\/p>\n\n\n\n<p>Apie 1873 metus Sholesas pri\u0117jo prie i\u0161d\u0117stymo, kuris labai primena \u0161iuolaikin\u012f QWERTY. Tiesa, buvo keletas skirtum\u0173 \u2013 pavyzd\u017eiui, R ir periodo \u017eenklas buvo kitose vietose. Galutinis QWERTY variantas nusistov\u0117jo ma\u017edaug 1878 metais, kai Remington kompanija prad\u0117jo masin\u0119 \u0161i\u0173 ma\u0161in\u0117li\u0173 gamyb\u0105.<\/p>\n\n\n\n<p>\u012edomu tai, kad Sholesas ne tik skirst\u0117 problemati\u0161kas raides, bet ir band\u0117 optimizuoti pat\u012f spausdinimo proces\u0105. Vir\u0161utin\u0117je eil\u0117je jis i\u0161d\u0117st\u0117 raides taip, kad pardav\u0117jai gal\u0117t\u0173 greitai ir skland\u017eiai i\u0161spausdinti \u017eod\u012f &#8222;TYPE WRITER&#8221;, nenuleid\u017eiant aki\u0173 nuo potencialaus kliento. Tai buvo svarbus marketingo triukas \u2013 demonstracija atrod\u0117 sklandesn\u0117 ir \u012fsp\u016bdingesn\u0117.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Mitas apie ty\u010din\u012f sul\u0117tinim\u0105<\/h2>\n\n\n\n<p>Internete da\u017enai galima rasti tvirtinim\u0105, kad QWERTY i\u0161d\u0117stymas buvo sukurtas ty\u010dia sul\u0117tinti spausdinim\u0105. Tai vienas populiariausi\u0173 mit\u0173 apie klaviat\u016bras, bet jis neatitinka tikrov\u0117s. Sholesas nenor\u0117jo, kad \u017emon\u0117s spausdint\u0173 l\u0117\u010diau \u2013 jis nor\u0117jo, kad jie gal\u0117t\u0173 spausdinti grei\u010diau be ma\u0161in\u0117l\u0117s u\u017estrigimo.<\/p>\n\n\n\n<p>Skirtumas yra esminis. Problema nebuvo per greitas spausdinimas pats savaime, o greitas spausdinimas naudojant gretimas raides. Jei kas nors mok\u0117jo spausdinti labai greitai naudodamas raides i\u0161 skirting\u0173 klaviat\u016bros viet\u0173, tai buvo puiku \u2013 svirtys nesusikabindavo. QWERTY tikslas buvo mechaninis, ne psichologinis ar dirbtinis grei\u010dio ribojimas.<\/p>\n\n\n\n<p>Ties\u0105 sakant, kai Remington kompanija prad\u0117jo gaminti \u0161ias ma\u0161in\u0117les, jie aktyviai skatino \u017emones mokytis spausdinti greitai. Buvo organizuojami spausdinimo grei\u010dio konkursai, kurie pad\u0117jo populiarinti ra\u0161om\u0105sias ma\u0161in\u0117les. 1888 metais viena stenograf\u0117 pavard\u0117 McGurrin laim\u0117jo vie\u0161\u0105 konkurs\u0105, spausdindama QWERTY klaviat\u016bra akla spausdinimo technika \u2013 tai dar labiau sustiprino \u0161io i\u0161d\u0117stymo populiarum\u0105.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Kod\u0117l QWERTY i\u0161liko iki \u0161iol<\/h2>\n\n\n\n<p>\u0160tai \u010dia prasideda \u012fdomiausia istorijos dalis. Mechanin\u0117s ra\u0161omosios ma\u0161in\u0117l\u0117s jau seniai tapo muziejaus eksponatais. Elektroniams klaviat\u016broms visi\u0161kai ner\u016bpi, ar spaud\u017eiate gretimas raides \u2013 joki\u0173 svirt\u0173, kurie gal\u0117t\u0173 susikabinti, \u010dia n\u0117ra. Tad kod\u0117l mes vis dar naudojame i\u0161d\u0117stym\u0105, sukurt\u0105 sprend\u017eiant problem\u0105, kuri nebegzistuoja?<\/p>\n\n\n\n<p>Atsakymas gl\u016bdi ekonomikos ir psichologijos s\u0105vokoje, vadinamoje &#8222;kelio priklausomybe&#8221; (path dependence). Kai tam tikras standartas \u012fsitvirtina, jo pakeisti tampa nepaprastai sunku, net jei egzistuoja geresni alternatyvos. QWERTY tapo standartu dar XX am\u017eiaus prad\u017eioje, ir milijonai \u017emoni\u0173 i\u0161moko spausdinti b\u016btent \u0161iuo i\u0161d\u0117stymu. Mokyklos prad\u0117jo mokyti QWERTY, kompanijos pirko QWERTY klaviat\u016bras, o \u017emon\u0117s \u012fgijo \u012fg\u016bd\u017eius, kuriuos nenor\u0117jo prarasti.<\/p>\n\n\n\n<p>Pers\u0117dimas \u012f kit\u0105 klaviat\u016bros i\u0161d\u0117stym\u0105 reik\u0161t\u0173, kad reik\u0117t\u0173 i\u0161 naujo mokytis spausdinti \u2013 procesas, kuris gali u\u017etrukti savaites ar net m\u0117nesius. Daugumai \u017emoni\u0173 tai atrodo per didel\u0117 kaina, ypa\u010d kai QWERTY jau veikia &#8222;pakankamai gerai&#8221;. Be to, jei j\u016bs i\u0161moktum\u0117te kit\u0105 i\u0161d\u0117stym\u0105, bet visi kompiuteriai darbe, bibliotekoje ar pas draugus tur\u0117t\u0173 QWERTY, j\u016bs\u0173 naujas \u012fg\u016bdis tapt\u0173 beveik nenaudingas.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Alternatyvos, kurios neprigijo<\/h2>\n\n\n\n<p>Per de\u0161imtme\u010dius buvo sukurta daugyb\u0117 alternatyvi\u0173 klaviat\u016bros i\u0161d\u0117stym\u0173, kurie teori\u0161kai yra efektyvesni u\u017e QWERTY. \u017dymiausias i\u0161 j\u0173 \u2013 Dvorak i\u0161d\u0117stymas, sukurtas 1936 metais. Augustas Dvorak ir jo kolega Williamas Dealey atliko i\u0161sami\u0105 angl\u0173 kalbos analiz\u0119 ir suk\u016br\u0117 i\u0161d\u0117stym\u0105, kuris tur\u0117t\u0173 leisti spausdinti grei\u010diau ir su ma\u017eesniu pir\u0161t\u0173 nuovargiu.<\/p>\n\n\n\n<p>Dvorak i\u0161d\u0117stymas pagr\u012fstas keliais principais: da\u017eniausiai naudojamos raid\u0117s yra vidurin\u0117je eil\u0117je (home row), kur pir\u0161tai nat\u016braliai ilsisi; darbo kr\u016bvis paskirstytas tolygiau tarp abiej\u0173 rank\u0173; da\u017enai kartu naudojamos raid\u0117s i\u0161d\u0117stytos taip, kad pir\u0161tai jud\u0117t\u0173 ritmi\u0161kai, kaitaliojant rankas. Tyrimai rod\u0117, kad Dvorak i\u0161d\u0117stymu galima spausdinti apie 5-10% grei\u010diau su ma\u017eesniu nuovargiu.<\/p>\n\n\n\n<p>Ta\u010diau Dvorak taip ir neprigijo pla\u010dioje rinkoje. Nors kai kurie entuziastai j\u012f naudoja ir \u0161iandien, absoliuti dauguma pasaulio tebespaudina QWERTY. Prie\u017eastis paprasta \u2013 perjungimo ka\u0161tai buvo per dideli, o prana\u0161umai \u2013 per ma\u017ei, kad motyvuot\u0173 masi\u0161k\u0105 pokyt\u012f. Be to, kai kurie v\u0117lesni tyrimai suabejojo Dvorak prana\u0161um\u0173 dyd\u017eiu, teigdami, kad skirtumas n\u0117ra toks dramati\u0161kas, kaip i\u0161 prad\u017ei\u0173 manyta.<\/p>\n\n\n\n<p>Kitos \u0161alys suk\u016br\u0117 savo nacionalines QWERTY variacij\u0173, pritaikytas j\u0173 kalboms. Pavyzd\u017eiui, vokie\u010diai naudoja QWERTZ i\u0161d\u0117stym\u0105 (Z ir Y sukeistos vietomis), o pranc\u016bzai \u2013 AZERTY. Lietuvoje naudojame standartin\u012f QWERTY su galimybe perjungti \u012f lietuvi\u0161k\u0105 i\u0161d\u0117stym\u0105, kuris turi m\u016bs\u0173 specialiuosius simbolius.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Ar QWERTY tikrai toks blogas<\/h2>\n\n\n\n<p>Daug kas kritikuoja QWERTY kaip neefektyv\u0173 ir pasenus\u012f. Bet ar jis tikrai toks blogas? Realyb\u0117 yra sud\u0117tingesn\u0117. Tiesa, kad QWERTY nebuvo optimizuotas grei\u010diui ar ergonomi\u0161kumumui \u0161iuolaikine prasme. Ta\u010diau jis taip pat n\u0117ra katastrofi\u0161kai blogas.<\/p>\n\n\n\n<p>Moderniuose tyrimuose paai\u0161k\u0117jo, kad patyr\u0119 QWERTY spausdintojai gali pasiekti labai auk\u0161tus grei\u010dius \u2013 profesionalai gali spausdinti 120-150 \u017eod\u017ei\u0173 per minut\u0119 ar net daugiau. Tai rodo, kad \u017emogaus geb\u0117jimas prisitaikyti ir i\u0161mokti yra ne\u012ftik\u0117tinai galingas. M\u016bs\u0173 smegenys ir pir\u0161tai gali adaptuotis prie beveik bet kokio i\u0161d\u0117stymo ir pasiekti auk\u0161t\u0105 efektyvum\u0105 su pakankama praktika.<\/p>\n\n\n\n<p>Be to, \u0161iuolaikin\u0117s ergonomin\u0117s problemos, tokios kaip rie\u0161o tunelio sindromas ar pir\u0161t\u0173 nuovargis, da\u017eniau siejamos ne su klaviat\u016bros i\u0161d\u0117stymu, o su bendra darbo vietos ergonomika, klaviat\u016bros fizine konstrukcija ir darbo \u012fpro\u010diais. Tinkamas stalo auk\u0161tis, reguliarios pertraukos ir tinkama laikysena da\u017enai svarbiau nei raid\u017ei\u0173 i\u0161d\u0117stymas.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Ateities perspektyvos ir technologij\u0173 kaita<\/h2>\n\n\n\n<p>\u012edomu pagalvoti, ar QWERTY i\u0161liks dar \u0161imtmet\u012f. Technologijos kei\u010diasi vis grei\u010diau, ir klaviat\u016bros gali tapti atgyvena grei\u010diau, nei manome. Jau dabar vis daugiau \u017emoni\u0173 naudoja balso atpa\u017einimo sistemas, jutiklinius ekranus ir kitas alternatyvias \u012fvesties priemones.<\/p>\n\n\n\n<p>I\u0161mani\u0173j\u0173 telefon\u0173 ekran\u0173 klaviat\u016bros jau dabar veikia visi\u0161kai kitaip nei fizin\u0117s klaviat\u016bros. Nors jos da\u017enai vizualiai atkartoja QWERTY i\u0161d\u0117stym\u0105, spausdinimo technika yra visi\u0161kai kitokia \u2013 naudojame nyk\u0161\u010dius, ne visus pir\u0161tus, ir automatinis teksto u\u017ebaigimas bei klaid\u0173 taisymas atlieka did\u017eiul\u0119 dal\u012f darbo. Kai kurios mobilios klaviat\u016bros jau eksperimentuoja su visi\u0161kai kitokiais i\u0161d\u0117stymais, optimizuotais nyk\u0161\u010di\u0173 naudojimui.<\/p>\n\n\n\n<p>Dirbtinis intelektas ir ma\u0161ininis mokymasis gali pakeisti b\u016bd\u0105, kuriuo bendraujame su kompiuteriais. Galb\u016bt ateityje dauguma teksto bus kuriama balsu arba net tiesiogiai i\u0161 min\u010di\u0173 (nors pastarasis variantas dar labai toli nuo realyb\u0117s). Kai tai \u012fvyks, gin\u010dai d\u0117l klaviat\u016bros i\u0161d\u0117stymo taps tokia pat istorine smulkmena kaip diskusijos apie geriausi\u0105 ra\u0161omosios ma\u0161in\u0117l\u0117s svirt\u0173 konstrukcij\u0105.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Kas lieka po 150 met\u0173<\/h2>\n\n\n\n<p>QWERTY klaviat\u016bros istorija yra puikus pavyzdys, kaip technologiniai sprendimai, priimti sprend\u017eiant konkre\u010dias to meto problemas, gali i\u0161likti daug ilgiau nei pa\u010dios problemos. Tai primena mums, kad standartai ir \u012fpro\u010diai turi mil\u017eini\u0161k\u0105 inercij\u0105 \u2013 kart\u0105 \u012fsitvirtin\u0119, jie gali dominuoti de\u0161imtme\u010dius ar net \u0161imtme\u010dius, net jei racionalus vertinimas rodyt\u0173, kad egzistuoja geresni variantai.<\/p>\n\n\n\n<p>Ar tur\u0117tum\u0117te i\u0161mokti Dvorak ar kit\u0105 alternatyv\u0173 i\u0161d\u0117stym\u0105? Jei esate entuziastas, kuris m\u0117gsta eksperimentuoti ir turi laiko investuoti \u012f mokym\u0105si \u2013 kod\u0117l gi ne. Kai kurie \u017emon\u0117s prane\u0161a apie ma\u017eesn\u012f pir\u0161t\u0173 nuovarg\u012f ir \u0161iek tiek didesn\u012f greit\u012f. Ta\u010diau daugumai \u017emoni\u0173 QWERTY veikia visi\u0161kai gerai, ir n\u0117ra jokios realios prie\u017easties keisti.<\/p>\n\n\n\n<p>Svarbesni dalykai u\u017e raid\u017ei\u0173 i\u0161d\u0117stym\u0105: i\u0161mokti aklojo spausdinimo technik\u0105 (spausdinti ne\u017ei\u016brint \u012f klaviat\u016br\u0105), palaikyti ger\u0105 darbo vietos ergonomik\u0105 ir daryti reguliarias pertraukas. \u0160ie dalykai tur\u0117s daug didesn\u0119 \u012ftak\u0105 j\u016bs\u0173 produktyvumui ir sveikatai nei bet koks klaviat\u016bros i\u0161d\u0117stymas.<\/p>\n\n\n\n<p>QWERTY i\u0161liks su mumis dar bent kelet\u0105 de\u0161imtme\u010di\u0173, kol technologijos galiausiai nepaslinks \u012f visi\u0161kai kitokias \u012fvesties formas. Ir tai visi\u0161kai gerai \u2013 kartais &#8222;pakankamai geras&#8221; standartas, kur\u012f visi \u017eino ir naudoja, yra vertingesnis u\u017e teori\u0161kai tobul\u0105 sprendim\u0105, kur\u012f naudoja tik nedidel\u0117 ma\u017euma.<\/p>","protected":false},"excerpt":{"rendered":"<p>Kod\u0117l raid\u0117s i\u0161d\u0117stytos b\u016btent taip? Kiekvien\u0105 dien\u0105 m\u016bs\u0173 pir\u0161tai \u0161mi\u017ein\u0117ja per klaviat\u016br\u0105, spausdindami lai\u0161kus, prane\u0161imus ar darbo dokumentus. Bet ar&#8230;<\/p>","protected":false},"author":1,"featured_media":5732,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_uag_custom_page_level_css":"","footnotes":""},"categories":[7],"tags":[],"class_list":["post-5682","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-kompiuteriu-remontas-kompiuteriai-naujienos-patarimai","wpcat-7-id"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.3 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Klaviat\u016bros QWERTY i\u0161d\u0117stymo prie\u017eastys<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/elmeistrai.lt\/en\/klaviaturos-qwerty-isdestymo-priezastys\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Klaviat\u016bros QWERTY i\u0161d\u0117stymo prie\u017eastys\" \/>\n<meta property=\"og:description\" content=\"Kod\u0117l raid\u0117s i\u0161d\u0117stytos b\u016btent taip? 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