{"id":2544,"date":"2020-01-23T09:00:00","date_gmt":"2020-01-23T07:00:00","guid":{"rendered":"http:\/\/life.karpat.in.ua\/?p=2544"},"modified":"2020-01-22T20:40:14","modified_gmt":"2020-01-22T18:40:14","slug":"20-eves-szuletesnapot-unnepel-az-sd-memoriakartya","status":"publish","type":"post","link":"https:\/\/life.karpat.in.ua\/?p=2544&lang=hu","title":{"rendered":"20 \u00e9ves sz\u00fclet\u00e9snapot \u00fcnnepel az SD mem\u00f3riak\u00e1rtya"},"content":{"rendered":"\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"728\" height=\"204\" src=\"http:\/\/life.karpat.in.ua\/wp-content\/uploads\/2020\/01\/sd-kartya.jpg\" alt=\"\" class=\"wp-image-2545\" srcset=\"https:\/\/life.karpat.in.ua\/wp-content\/uploads\/2020\/01\/sd-kartya.jpg 728w, https:\/\/life.karpat.in.ua\/wp-content\/uploads\/2020\/01\/sd-kartya-300x84.jpg 300w\" sizes=\"auto, (max-width: 728px) 100vw, 728px\" \/><figcaption>Az SD k\u00e1rtyaform\u00e1tumok \u00e9s m\u00e9reteik<\/figcaption><\/figure>\n\n\n\n<p class=\"has-text-align-center wp-block-paragraph\"><strong>A SD k\u00e1rty\u00e1s szabv\u00e1nyokat kidolgoz\u00f3 SD Association a h\u00e9t elej\u00e9n k\u00f6zlem\u00e9nyben eml\u00e9kezett meg arr\u00f3l, hogy t\u00f6rt\u00e9net\u00e9ben egy sz\u00e9p, kerek \u00e9vfordul\u00f3hoz \u00e9rkezett el.<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Ugyanis 20\n\u00e9vvel kor\u00e1bban, a 2000-es CES ki\u00e1ll\u00edt\u00e1son jelentett\u00e9k be az alap\u00edt\u00f3k az akkor\nteljesen \u00faj SD mem\u00f3riak\u00e1rty\u00e1k kidolgoz\u00e1sa \u00e9s n\u00e9pszer\u0171s\u00edt\u00e9se k\u00f6r\u00fcli szervezet\nmegalakul\u00e1s\u00e1t.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">A SanDisk, a\nMatsushita \u00e9s a Toshiba m\u00e9g 1999-ben \u00e1llapodott meg, hogy k\u00f6z\u00f6s er\u0151fesz\u00edt\u00e9ssel\nl\u00e9trehoznak egy, az \u00e1ltaluk gy\u00e1rtott mobil eszk\u00f6z\u00f6k adatcser\u00e9j\u00e9t \u00e9s\nkapacit\u00e1sprobl\u00e9m\u00e1it egyar\u00e1nt orvosl\u00f3 \u00faj mem\u00f3riak\u00e1rtya-szabv\u00e1nyt. A kor\u00e1bbi, de\nj\u00f3val lassabb \u00e9s jogi szempontb\u00f3l is probl\u00e9m\u00e1s MultiMediaCard (MMC) alapjain\nkidolgozott t\u00e1rol\u00f3form\u00e1tumot Secure Digital-nak (SD), a mem\u00f3riak\u00e1rty\u00e1kat\nmagukat pedig Secure Digital Memory Card-nak (magyarul: Biztons\u00e1gos Digit\u00e1lis\nMem\u00f3riak\u00e1rtya) nevezt\u00e9k el.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">A technol\u00f3gia\na nev\u00e9t arr\u00f3l kapta, hogy &#8211; el\u0151djeivel szemben &#8211; m\u00e1r alapb\u00f3l t\u00e1mogatott a\nm\u00e1sol\u00e1sv\u00e9delmi \u00e9s titkos\u00edt\u00e1si elj\u00e1r\u00e1sok haszn\u00e1lat\u00e1t, ami akkoriban, a zen\u00e9k,\nk\u00e9pek \u00e9s m\u00e1s anyagok anal\u00f3gr\u00f3l digit\u00e1lis terjeszt\u00e9s\u00e9re t\u00f6rt\u00e9n\u0151 \u00e1t\u00e1ll\u00e1s sor\u00e1n\nrendk\u00edv\u00fcl fontos szempontt\u00e1 l\u00e9pett el\u0151.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Az els\u0151 SD\nk\u00e1rtya protot\u00edpusokat a gy\u00e1rt\u00f3k 2000 elej\u00e9n mutatt\u00e1k be, \u00e9s b\u00e1r ezek 32,\nilletve 64 MB-os kapacit\u00e1sa &#8211; amit egy emberi k\u00f6r\u00f6mn\u00e9l kicsit nagyobb m\u00e9retbe\nzs\u00fafoltak bele &#8211; eredetileg leny\u0171g\u00f6z\u0151 volt, gyorsan r\u00e1 kellett j\u00f6nni\u00fck, hogy\nenn\u00e9l t\u00f6bbre is ig\u00e9ny van. A k\u00e1rty\u00e1kat befogad\u00f3 eszk\u00f6z\u00f6k (digit\u00e1lis\nf\u00e9nyk\u00e9pez\u0151g\u00e9pek, MP3-lej\u00e1tsz\u00f3k, mobiltelefonok) m\u00e9rete ugyanis egyre cs\u00f6kkent,\n\u00e9s a tov\u00e1bbi zsugor\u00edt\u00e1snak egyre nagyobb akad\u00e1ly\u00e1t k\u00e9pezte az addigra m\u00e1r\nviszonylag nagynak sz\u00e1m\u00edt\u00f3 SD k\u00e1rtya \u00e9s foglalat\u00e1nak m\u00e9rete.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Ez\u00e9rt\n2003-as CeBIT-en bemutatt\u00e1k a szabv\u00e1ny miniSD v\u00e1ltozat\u00e1t, 2005-ben pedig a ma\nis haszn\u00e1latban l\u00e9v\u0151 microSD verzi\u00f3j\u00e1t, amik m\u00e9g kisebb m\u00e9retben voltak k\u00e9pesek\nm\u00e9g t\u00f6bb adat t\u00e1rol\u00e1s\u00e1t megoldani, mik\u00f6zben egy egyszer\u0171 adapterrel az eredeti\nSD foglalatos eszk\u00f6z\u00f6kben is haszn\u00e1lhat\u00f3k maradtak. Ut\u00f3bbiak kapacit\u00e1sa el\u0151sz\u00f6r\ncsak a ma m\u00e1r nevets\u00e9gesen kev\u00e9snek hat\u00f3 128 MB-ig terjedt, de gyorsan\nn\u00f6vekedett, \u00e9s v\u00e9g\u00fcl m\u00e1r a gigab\u00e1jtos tartom\u00e1nyt is el\u00e9rte.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">A szabv\u00e1ny\n\u00fajabb friss\u00edt\u00e9seivel azt\u00e1n m\u00e9g tov\u00e1bb n\u00f6velt\u00e9k a k\u00e1rty\u00e1k t\u00e1rol\u00f3kapacit\u00e1sainak\nhat\u00e1r\u00e1t, valamint \u00e1tviteli sebess\u00e9g\u00e9t is, aminek k\u00f6sz\u00f6nhet\u0151en 128 \u00e9s 256 GB-os,\nmajd k\u00e9s\u0151bb ak\u00e1r 1 TB vagy nagyobb kapacit\u00e1sok is el\u00e9rhet\u0151v\u00e9 v\u00e1ltak. A szabv\u00e1ny\nleg\u00fajabb friss\u00edt\u00e9se&lt;\/&gt; elvileg m\u00e1r ak\u00e1r 128 terab\u00e1jtos \u00e9s 1 GB\/s-ot\nk\u00f6zel\u00edt\u0151 sebess\u00e9ggel el\u00e9rhet\u0151 k\u00e1rty\u00e1k kialak\u00edt\u00e1s\u00e1ra is lehet\u0151s\u00e9get ad &#8211; b\u00e1r\nezek piaci megjelen\u00e9s\u00e9re v\u00e9lhet\u0151en egy ideig m\u00e9g v\u00e1rni kell majd. <\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Az SD Association napjainkban m\u00e1r 1700-n\u00e1l is t\u00f6bb taggal rendelkezik, a microSD k\u00e1rty\u00e1k pedig a mobil eszk\u00f6z\u00f6k szabv\u00e1nyos adatt\u00e1rol\u00f3 \u00e9s adathordoz\u00f3 eszk\u00f6z\u00e9 v\u00e1lt, ami az ut\u00f3bbi \u00e9vtizedben m\u00e9g az asztali haszn\u00e1latb\u00f3l is elkezdte kiszor\u00edtani a hagyom\u00e1nyos k\u00fcls\u0151 merevlemezeket \u00e9s tollmeghajt\u00f3kat, hogy \u00e1tvegye azok hely\u00e9t.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Forr\u00e1s: <a href=\"https:\/\/pcforum.hu\/hirek\/22028\/20-eves-szuletesnapot-unnepel-az-sd-memoriakartya?fbclid=IwAR3JsVBfvrge4jeIi6W5Bos7tsbl_OKlLdJPzQNS0KiU8mfchp_qU_eq65w\">pcforum.hu<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>A SD k\u00e1rty\u00e1s szabv\u00e1nyokat kidolgoz\u00f3 SD Association a h\u00e9t elej\u00e9n k\u00f6zlem\u00e9nyben eml\u00e9kezett meg arr\u00f3l, hogy t\u00f6rt\u00e9net\u00e9ben egy sz\u00e9p, kerek \u00e9vfordul\u00f3hoz \u00e9rkezett el. Ugyanis 20 \u00e9vvel kor\u00e1bban, a 2000-es CES ki\u00e1ll\u00edt\u00e1son jelentett\u00e9k be az alap\u00edt\u00f3k az akkor teljesen \u00faj SD mem\u00f3riak\u00e1rty\u00e1k kidolgoz\u00e1sa \u00e9s n\u00e9pszer\u0171s\u00edt\u00e9se k\u00f6r\u00fcli szervezet megalakul\u00e1s\u00e1t. A SanDisk, a Matsushita \u00e9s a Toshiba m\u00e9g 1999-ben [&hellip;]<\/p>\n","protected":false},"author":4,"featured_media":2545,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[41,590,598,39],"tags":[1277,672],"class_list":["post-2544","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-cikkek","category-it-hu","category-tudomany","category-vilag","tag-informatika","tag-technologia"],"_links":{"self":[{"href":"https:\/\/life.karpat.in.ua\/index.php?rest_route=\/wp\/v2\/posts\/2544","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/life.karpat.in.ua\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/life.karpat.in.ua\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/life.karpat.in.ua\/index.php?rest_route=\/wp\/v2\/users\/4"}],"replies":[{"embeddable":true,"href":"https:\/\/life.karpat.in.ua\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=2544"}],"version-history":[{"count":0,"href":"https:\/\/life.karpat.in.ua\/index.php?rest_route=\/wp\/v2\/posts\/2544\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/life.karpat.in.ua\/index.php?rest_route=\/wp\/v2\/media\/2545"}],"wp:attachment":[{"href":"https:\/\/life.karpat.in.ua\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=2544"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/life.karpat.in.ua\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=2544"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/life.karpat.in.ua\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=2544"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}