{"id":14724,"date":"2018-10-07T23:16:28","date_gmt":"2018-10-07T23:16:28","guid":{"rendered":"http:\/\/www.techiteens.com\/review\/the-first-transistor-calculator-3\/"},"modified":"2018-10-07T23:16:28","modified_gmt":"2018-10-07T23:16:28","slug":"the-first-transistor-calculator-3","status":"publish","type":"post","link":"https:\/\/www.techiteens.com\/review\/the-first-transistor-calculator-3\/","title":{"rendered":"The First Transistor Calculator"},"content":{"rendered":"<p><a href=\"http:\/\/thisdayintechhistory.com\/wp-content\/uploads\/2012\/10\/ibm_604.jpg\" rel=\"lightbox[2263]\"><img loading=\"lazy\" decoding=\"async\" class=\"alignleft size-medium wp-image-2264\" title=\"IBM 604 Calculator\" alt=\"IBM 604 Calculator\" src=\"http:\/\/www.techiteens.com\/review\/wp-content\/uploads\/2018\/10\/0caf7__ibm_604-300x217.jpg\" width=\"300\" height=\"217\" srcset=\"http:\/\/www.techiteens.com\/review\/wp-content\/uploads\/2018\/10\/0caf7__ibm_604-300x217.jpg 300w, http:\/\/thisdayintechhistory.com\/wp-content\/uploads\/2012\/10\/ibm_604.jpg 680w\" sizes=\"(max-width: 300px) 100vw, 300px\" \/><\/a>October 7, 1954<\/p>\n<p>IBM researchers modify an existing <a href=\"http:\/\/en.wikipedia.org\/wiki\/IBM_604\" target=\"_blank\">model 604<\/a> vacuum tube calculator to use transistors. This experiment didn&#8217;t shrink the desk-sized machine nor make it any faster, but it did use only 5% of the power the vacuum tube-based design did. Encouraged by this successful experiment, IBM introduced the first commercial transistor calculator 4 years later, the <a href=\"http:\/\/en.wikipedia.org\/wiki\/IBM_608\" target=\"_blank\">model 608<\/a>.<\/p>\n<p>The post <a rel=\"nofollow\" href=\"http:\/\/thisdayintechhistory.com\/10\/07\/the-first-transistor-calculator\/\">The First Transistor Calculator<\/a> appeared first on <a rel=\"nofollow\" href=\"http:\/\/thisdayintechhistory.com\">This Day in Tech History<\/a>.<\/p>\n<p><a rel=\"nofollow\" href=\"http:\/\/thisdayintechhistory.com\/10\/07\/the-first-transistor-calculator\/\">This Day in Tech History<\/a><\/p>\n<p>Tech History provided by This Day in Tech History.com<\/p>\n","protected":false},"excerpt":{"rendered":"<p>October 7, 1954 IBM researchers modify an existing model 604 vacuum tube calculator to use transistors. This experiment didn&#8217;t shrink the desk-sized machine nor make it any faster, but it did use only 5% of the power the vacuum tube-based design did. Encouraged by this successful experiment, IBM introduced the first commercial transistor calculator 4 [&hellip;]<\/p>\n","protected":false},"author":3,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_kadence_starter_templates_imported_post":false,"footnotes":""},"categories":[194],"tags":[2267,399,2209],"class_list":["post-14724","post","type-post","status-publish","format-standard","hentry","category-today-in-tech","tag-calculator","tag-first","tag-transistor"],"_links":{"self":[{"href":"https:\/\/www.techiteens.com\/review\/wp-json\/wp\/v2\/posts\/14724"}],"collection":[{"href":"https:\/\/www.techiteens.com\/review\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.techiteens.com\/review\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.techiteens.com\/review\/wp-json\/wp\/v2\/users\/3"}],"replies":[{"embeddable":true,"href":"https:\/\/www.techiteens.com\/review\/wp-json\/wp\/v2\/comments?post=14724"}],"version-history":[{"count":0,"href":"https:\/\/www.techiteens.com\/review\/wp-json\/wp\/v2\/posts\/14724\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.techiteens.com\/review\/wp-json\/wp\/v2\/media?parent=14724"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.techiteens.com\/review\/wp-json\/wp\/v2\/categories?post=14724"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.techiteens.com\/review\/wp-json\/wp\/v2\/tags?post=14724"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}