{"id":73545,"date":"2025-01-08T13:30:35","date_gmt":"2025-01-08T11:30:35","guid":{"rendered":"https:\/\/www.techopedia.com\/es\/?post_type=definition&#038;p=73545"},"modified":"2025-01-08T07:20:48","modified_gmt":"2025-01-08T05:20:48","slug":"tarjeta-perforada","status":"publish","type":"definition","link":"https:\/\/www.techopedia.com\/es\/definicion\/tarjeta-perforada","title":{"rendered":"Tarjeta perforada"},"content":{"rendered":"<h2><span id=\"que_significa_tarjeta_perforada\">\u00bfQu\u00e9 significa tarjeta perforada?<\/span><\/h2>\n<p>Una tarjeta perforada es un simple trozo de papel que puede contener datos en forma de peque\u00f1os agujeros perforados, colocados estrat\u00e9gicamente para ser le\u00eddos por ordenadores o m\u00e1quinas. Se trata de una <strong>reliquia de la programaci\u00f3n inform\u00e1tica que se utilizaba antes de los numerosos avances en almacenamiento de datos<\/strong> en los que se conf\u00eda hoy en d\u00eda.<\/p>\n<p>Una tarjeta perforada tambi\u00e9n se conoce como tarjeta perforada, tarjeta IBM o tarjeta Hollerith.<\/p>\n<h2><span id=\"definicion_de_tarjeta_perforada\">Definici\u00f3n de tarjeta perforada<\/span><\/h2>\n<p>En las primeras y m\u00e1s primitivas configuraciones inform\u00e1ticas, las tarjetas perforadas se introduc\u00edan en grandes <a href=\"https:\/\/www.techopedia.com\/es\/definicion\/ordenador\">ordenadores<\/a> que conten\u00edan muy poca memoria o datos. Estos grandes ordenadores se denominaban a veces grandes m\u00e1quinas de hierro.<\/p>\n<p>Un ejemplo del uso de la tecnolog\u00eda de tarjetas perforadas es la famosa m\u00e1quina de Turing, inventada por <a href=\"https:\/\/www.techopedia.com\/es\/definicion\/alan-turing\">Alan Turing<\/a>, l\u00edder en su momento del movimiento de la tecnolog\u00eda de la informaci\u00f3n.<\/p>\n<p>Las evidentes deficiencias de su dise\u00f1o hicieron que l<strong>a tecnolog\u00eda de tarjetas perforadas quedara r\u00e1pidamente obsoleta<\/strong>, a medida que se inventaban nuevas formas de almacenamiento de datos. Curiosamente, la unidad de datos utilizada por una tarjeta perforada no suele corresponderse con las unidades de datos m\u00e1s peque\u00f1as de los medios de almacenamiento actuales.<\/p>\n<p>En lugar de utilizar datos binarios, como se hace hoy en d\u00eda, las tarjetas perforadas utilizaban caracteres individuales -principalmente letras y n\u00fameros- en los que cada perforaci\u00f3n de la tarjeta representaba la selecci\u00f3n de un car\u00e1cter concreto.<\/p>\n<p>Las tarjetas perforadas, al igual que los ordenadores centrales y los superordenadores de finales del siglo XX, son en la actualidad curiosidades hist\u00f3ricas.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u00bfQu\u00e9 significa tarjeta perforada? Una tarjeta perforada es un simple trozo de papel que puede contener datos en forma de peque\u00f1os agujeros perforados, colocados estrat\u00e9gicamente para ser le\u00eddos por ordenadores o m\u00e1quinas. Se trata de una reliquia de la programaci\u00f3n inform\u00e1tica que se utilizaba antes de los numerosos avances en almacenamiento de datos en los [&hellip;]<\/p>\n","protected":false},"author":7813,"featured_media":0,"comment_status":"open","ping_status":"closed","template":"","format":"standard","meta":{"_acf_changed":false,"_lmt_disableupdate":"","_lmt_disable":"","footnotes":""},"definitioncat":[331],"class_list":["post-73545","definition","type-definition","status-publish","format-standard","hentry","definitioncat-hardware"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v24.2 (Yoast SEO v24.5) - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>\u00bfQu\u00e9 es la tarjeta perforada? 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