{"id":623588,"date":"2026-01-18T22:04:25","date_gmt":"2026-01-18T21:04:25","guid":{"rendered":"https:\/\/cronologia-universale.it\/june-1942-4\/"},"modified":"2026-01-18T22:04:25","modified_gmt":"2026-01-18T21:04:25","slug":"1938-21","status":"publish","type":"post","link":"https:\/\/cronologia-universale.it\/en\/1938-21\/","title":{"rendered":"1938"},"content":{"rendered":"<p>Konrad Zuse, a German engineer, built the Z1 computer in his parents&#8217; living room. It read instructions from a punched card and was mechanical (not electrical or electronic). Helmut Schreyer advised him to use vacuum tubes, but they were too expensive, so they built the Z2 and then the Z3 in 1941, which would become the first functioning general-purpose programmable digital computer.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Konrad Zuse, a German engineer, built the Z1 computer in his parents&#8217; living room. It&#8230;<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[43],"tags":[],"class_list":["post-623588","post","type-post","status-publish","format-standard","hentry","category-vg-en"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v26.0 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>1938 - Cronologia Universale<\/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:\/\/cronologia-universale.it\/en\/1938-21\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"1938 - Cronologia Universale\" \/>\n<meta property=\"og:description\" content=\"Konrad Zuse, a German engineer, built the Z1 computer in his parents&#8217; living room. 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