{"id":2654,"date":"2022-12-15T16:39:03","date_gmt":"2022-12-15T15:39:03","guid":{"rendered":"https:\/\/pedagogie.ac-clermont.fr\/numerique-educatif\/?p=2654"},"modified":"2022-12-15T16:50:01","modified_gmt":"2022-12-15T15:50:01","slug":"le-codage-hexadecimal","status":"publish","type":"post","link":"https:\/\/pedagogie.ac-clermont.fr\/numerique-educatif\/2022\/12\/15\/le-codage-hexadecimal\/","title":{"rendered":"Le codage hexad\u00e9cimal"},"content":{"rendered":"\n<p><strong><em>Une activit\u00e9 pour faire comprendre le codage h\u00e9xad\u00e9cimal, tr\u00e8s utilis\u00e9 en informatique<\/em><\/strong>.<\/p>\n\n\n<p>Au m\u00eame titre que le codage d\u00e9cimal (les chiffres de 0 \u00e0 9 avec lesquels on compte tous les jours) et le codage binaire (avec que des 0 et des 1), il existe un syst\u00e8me tr\u00e8s important en informatique : le codage hexad\u00e9cimal.<\/p>\n<p>C&rsquo;est ce codage que <strong>Jean-Alain Roddier,\u00a0<\/strong>IA-IPR de math\u00e9matiques, vous propose de d\u00e9couvrir \u00e0 partir d\u2019une approche artistique. En plus de la ma\u00eetrise des diff\u00e9rents codes couleurs, l&rsquo;activit\u00e9 sollicite des connaissances du num\u00e9rique et des comp\u00e9tences \u00e0 acqu\u00e9rir pour percevoir des notions centrales : pixel,\u00a0 code couleur RGB, signification du symbole #, comp\u00e9tence pour passer du codage hexad\u00e9cimal au codage d\u00e9cimal&#8230;<\/p>\n\n\n<p class=\"has-background\" style=\"background-color:#e1f1f1\">Retrouvez l&rsquo;activit\u00e9 en t\u00e9l\u00e9chargement : <a href=\"https:\/\/pedagogie.ac-clermont.fr\/numerique-educatif\/wp-content\/uploads\/sites\/6\/2022\/12\/Formation-au-numerique-des-eleves_-le-codage-hexadecimal.pdf\"><strong>Le codage hexadecimal.pdf<\/strong><\/a><\/p>\n\n\n\n<p>Retrouvez toutes les activit\u00e9s propos\u00e9es dans le cadre de la\u00a0<strong>Formation au num\u00e9rique des \u00e9l\u00e8ves<\/strong>\u00a0:\u00a0<a href=\"https:\/\/pedagogie.ac-clermont.fr\/numerique-educatif\/category\/formations-au-numerique\/formation-au-numerique-des-eleves\/\">Formation au num\u00e9rique des \u00e9l\u00e8ves<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Une activit\u00e9 pour faire comprendre le codage h\u00e9xad\u00e9cimal, tr\u00e8s utilis\u00e9 en informatique.<\/p>\n","protected":false},"author":5,"featured_media":2656,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_EventAllDay":false,"_EventTimezone":"","_EventStartDate":"","_EventEndDate":"","_EventStartDateUTC":"","_EventEndDateUTC":"","_EventShowMap":false,"_EventShowMapLink":false,"_EventURL":"","_EventCost":"","_EventCostDescription":"","_EventCurrencySymbol":"","_EventCurrencyCode":"","_EventCurrencyPosition":"","_EventDateTimeSeparator":"","_EventTimeRangeSeparator":"","_EventOrganizerID":[],"_EventVenueID":[],"_OrganizerEmail":"","_OrganizerPhone":"","_OrganizerWebsite":"","_VenueAddress":"","_VenueCity":"","_VenueCountry":"","_VenueProvince":"","_VenueState":"","_VenueZip":"","_VenuePhone":"","_VenueURL":"","_VenueStateProvince":"","_VenueLat":"","_VenueLng":"","_VenueShowMap":false,"_VenueShowMapLink":false,"footnotes":""},"categories":[32,4],"tags":[],"class_list":{"0":"post-2654","1":"post","2":"type-post","3":"status-publish","4":"format-standard","5":"has-post-thumbnail","7":"category-formation-au-numerique-des-eleves","8":"category-une","9":"czr-hentry"},"_links":{"self":[{"href":"https:\/\/pedagogie.ac-clermont.fr\/numerique-educatif\/wp-json\/wp\/v2\/posts\/2654","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/pedagogie.ac-clermont.fr\/numerique-educatif\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/pedagogie.ac-clermont.fr\/numerique-educatif\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/pedagogie.ac-clermont.fr\/numerique-educatif\/wp-json\/wp\/v2\/users\/5"}],"replies":[{"embeddable":true,"href":"https:\/\/pedagogie.ac-clermont.fr\/numerique-educatif\/wp-json\/wp\/v2\/comments?post=2654"}],"version-history":[{"count":2,"href":"https:\/\/pedagogie.ac-clermont.fr\/numerique-educatif\/wp-json\/wp\/v2\/posts\/2654\/revisions"}],"predecessor-version":[{"id":2658,"href":"https:\/\/pedagogie.ac-clermont.fr\/numerique-educatif\/wp-json\/wp\/v2\/posts\/2654\/revisions\/2658"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/pedagogie.ac-clermont.fr\/numerique-educatif\/wp-json\/wp\/v2\/media\/2656"}],"wp:attachment":[{"href":"https:\/\/pedagogie.ac-clermont.fr\/numerique-educatif\/wp-json\/wp\/v2\/media?parent=2654"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/pedagogie.ac-clermont.fr\/numerique-educatif\/wp-json\/wp\/v2\/categories?post=2654"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/pedagogie.ac-clermont.fr\/numerique-educatif\/wp-json\/wp\/v2\/tags?post=2654"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}