{"id":652,"date":"2024-11-24T18:15:58","date_gmt":"2024-11-24T17:15:58","guid":{"rendered":"https:\/\/technologie.moreauabc.fr\/?page_id=652"},"modified":"2025-12-12T10:56:37","modified_gmt":"2025-12-12T09:56:37","slug":"5et1c3","status":"publish","type":"page","link":"https:\/\/technologie.moreauabc.fr\/index.php\/5et1c3\/","title":{"rendered":"5eT1C3 : Comparaison &amp; mat\u00e9riaux"},"content":{"rendered":"\n<h5 class=\"wp-block-heading\"><\/h5>\n\n\n<h2>Pr\u00e9paration du cahier<\/h2>\n<p style=\"text-align: center;\"><span style=\"color: #ff0000;\"><strong><span style=\"color: #008000;\">Prendre une nouvelle page et mettre en titre :<\/span><\/strong><\/span><\/p>\n<h4 style=\"text-align: center;\"><span style=\"color: #ff0000;\"><strong>Caract\u00e9riser et choisir un objet ou un syst\u00e8me technique selon diff\u00e9rents crit\u00e8res<\/strong><\/span><\/h4>\n<h5><strong><span style=\"color: #ff0000;\">I\u00b0) Comparer deux ordinateurs :<\/span><\/strong><\/h5>\n<p style=\"text-align: center;\"><span style=\"color: #008000;\"><strong>***En utilisant les deux liens internet ci-dessous, il faut compl\u00e9ter le tableau de comparaison des deux produits***<\/strong><\/span><\/p>\n<p>-&gt; Le fichier se trouve \u00e0 l&rsquo;arborescence suivante : <span style=\"color: #0000ff;\"><span style=\"color: #ff6600;\"><span style=\"color: #800080;\">U:\\Public\\<em>Ta Classe<\/em>\\Technologie\\T1-Les objets techniques\\C3-Caract\u00e9riser et choisir un OT\\<\/span>ComparaisonPC-eleve.xls<\/span><\/span><\/p>\n<p>-&gt; Il faut copier le fichier dans ton dossier personnel H:\\Travail&#8230; et le <span style=\"color: #ff6600;\">renomer<\/span> en rempla\u00e7ant <span style=\"color: #ff6600;\">eleve<\/span> par vos <span style=\"color: #ff6600;\">noms<\/span> (\u00e9quipe)<\/p>\n<p>-&gt; Ouvre le fichier et compl\u00e8te les informations manquantes <img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-674\" src=\"https:\/\/technologie.moreauabc.fr\/wp-content\/uploads\/2024\/11\/image.png\" alt=\"\" width=\"53\" height=\"46\" \/><\/p>\n<p>-&gt; Noublier pas de sauvegarder quand vous aurez termin\u00e9 \ud83d\ude09<\/p>\n<p>Vous trouverez les informations en cliquant sur les images ci-dessous :<\/p>\n<p data-wp-editing=\"1\"><a href=\"https:\/\/www.electrodepot.fr\/pc-portable-danew-14-dbook-141c-cel-8-128.html\" target=\"_blank\" rel=\"noopener\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone wp-image-757 size-medium\" src=\"https:\/\/technologie.moreauabc.fr\/wp-content\/uploads\/2024\/12\/LENOVO-Ideapad-3-300x210.png\" alt=\"\" width=\"300\" height=\"210\" srcset=\"https:\/\/technologie.moreauabc.fr\/wp-content\/uploads\/2024\/12\/LENOVO-Ideapad-3-300x210.png 300w, https:\/\/technologie.moreauabc.fr\/wp-content\/uploads\/2024\/12\/LENOVO-Ideapad-3.png 512w\" sizes=\"auto, (max-width: 300px) 100vw, 300px\" \/><\/a><a href=\"https:\/\/www.electrodepot.fr\/pc-portable-hp-17-17-cp2010nf-r5-16-512.html\" target=\"_blank\" rel=\"noopener\"><img loading=\"lazy\" decoding=\"async\" class=\"alignright wp-image-758 size-medium\" src=\"https:\/\/technologie.moreauabc.fr\/wp-content\/uploads\/2024\/12\/Thomson-300x246.png\" alt=\"\" width=\"300\" height=\"246\" srcset=\"https:\/\/technologie.moreauabc.fr\/wp-content\/uploads\/2024\/12\/Thomson-300x246.png 300w, https:\/\/technologie.moreauabc.fr\/wp-content\/uploads\/2024\/12\/Thomson.png 489w\" sizes=\"auto, (max-width: 300px) 100vw, 300px\" \/><\/a><\/p>\n<p>-&gt; Questions \u00e0 copier et \u00e0 repondre dans le cahier (laisser toujours deux lignes sous vos r\u00e9ponses pour prendre la correction)<\/p>\n<p>La vitesse d&rsquo;un ordinateur est d\u00e9terminante par la fr\u00e9quence de son processeur et la capacit\u00e9 de m\u00e9moire vive (RAM)<\/p>\n<p><strong><span style=\"color: #0000ff;\">1 &#8211; Quelle ordinateur sera plus rapide ? Justifiez votre r\u00e9ponse<\/span><\/strong><\/p>\n<p><span style=\"color: #0000ff;\"><strong>2 &#8211; Si je souhaite stocker mes fichiers vid\u00e9os sur l&rsquo;ordinateur, quelle ordinateur sera le mieux adapt\u00e9 ? Justifiez votre r\u00e9ponse<\/strong><\/span><\/p>\n<p><span style=\"color: #0000ff;\"><strong>3 &#8211; C&rsquo;est quoi l&rsquo;indice de r\u00e9parabilit\u00e9 ? Quel ordinateur a l&rsquo;indice le plus \u00e9lev\u00e9 ?<\/strong><\/span><\/p>\n<h5><strong><span style=\"color: #ff0000;\">II\u00b0) Etude des mat\u00e9riaux utilis\u00e9s :<\/span><\/strong><\/h5>\n<h2>Extrait du site : <a href=\"https:\/\/ecoinfo.cnrs.fr\/2014\/04\/11\/les-materiaux-dans-les-equipements-terminaux\/\" target=\"_blank\" rel=\"noopener\">ecoinfo.cnrs.fr<\/a><\/h2>\n<h2><em><span style=\"color: #008000;\">\u00ab\u00a0Dans un ordinateur fixe<\/span><\/em><\/h2>\n<p><em><span style=\"color: #008000;\">L&rsquo;\u00e9tude sur laquelle nous nous arr\u00eatons \u00e9mane de l\u2019UNEP (United Nations Environment Programme) en 2013 et pr\u00e9sente les principaux mat\u00e9riaux utilis\u00e9s dans un ordinateur fixe. Ce rapport passe en revue 36 mat\u00e9riaux parmi lesquels pr\u00e9dominent la silice employ\u00e9e dans les puces \u00e9lectroniques, les plastiques (claviers, \u00e9crans, souris, \u2026), le fer (aimants NdFeB des disques durs, \u00e9crans LCD et structure des unit\u00e9s centrales), le cuivre (c\u00e2bles, puces, circuits imprim\u00e9s), l\u2019aluminium (structure, circuits imprim\u00e9s, \u00e9crans CRT), le plomb (circuits imprim\u00e9s, \u00e9crans CRT) et le zinc (batteries, circuits imprim\u00e9s, \u00e9crans CRT). L\u2019\u00e9tain quand \u00e0 lui, fait partie des m\u00e9taux (avec l\u2019argent et le cuivre).\u00a0\u00bb<\/span><\/em><\/p>\n<h4>\u00a0<\/h4>\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"698\" height=\"498\" src=\"https:\/\/technologie.moreauabc.fr\/wp-content\/uploads\/2025\/01\/materiaux-pc-01.jpg\" alt=\"\" class=\"wp-image-869\" srcset=\"https:\/\/technologie.moreauabc.fr\/wp-content\/uploads\/2025\/01\/materiaux-pc-01.jpg 698w, https:\/\/technologie.moreauabc.fr\/wp-content\/uploads\/2025\/01\/materiaux-pc-01-300x214.jpg 300w\" sizes=\"auto, (max-width: 698px) 100vw, 698px\" \/><\/figure>\n\n\n<p>-&gt; Questions \u00e0 copier et \u00e0 repondre dans le cahier (laisser toujours deux lignes sous vos r\u00e9ponses pour prendre la correction)<\/p>\n<p><strong><span style=\"color: #0000ff;\">1- Quel est le mat\u00e9riau le plus pr\u00e9sent dans l&rsquo;ordinateur ? Justifiez votre r\u00e9ponse<\/span><\/strong><\/p>\n<p>Regardez la vid\u00e9o qui suit avant de r\u00e9pondre \u00e0 la question suivante :<\/p>\n\n\n<figure class=\"wp-block-embed is-type-video is-provider-youtube wp-block-embed-youtube wp-embed-aspect-16-9 wp-has-aspect-ratio\"><div class=\"wp-block-embed__wrapper\">\n<iframe loading=\"lazy\" title=\"Construire une puce \u00e9lectronique\" width=\"500\" height=\"281\" src=\"https:\/\/www.youtube.com\/embed\/CuohfaiJiPA?feature=oembed\" frameborder=\"0\" allow=\"accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture; web-share\" referrerpolicy=\"strict-origin-when-cross-origin\" allowfullscreen><\/iframe>\n<\/div><\/figure>\n\n\n<p><span style=\"color: #0000ff;\"><strong>2- Qu&rsquo;est ce que ce mat\u00e9riau ?\u00a0<\/strong><\/span><\/p>\n<p>Le deuxi\u00e8me mat\u00e9riaux que compose les ordinateurs est le plastique avec quasiment 23 % du poids de l&rsquo;ordinateur. Etudions un peu ce mat\u00e9riaux :<\/p>\n\n\n<figure class=\"wp-block-embed is-type-video is-provider-youtube wp-block-embed-youtube wp-embed-aspect-16-9 wp-has-aspect-ratio\"><div class=\"wp-block-embed__wrapper\">\n<iframe loading=\"lazy\" title=\"Du p\u00e9trole au plastique\" width=\"500\" height=\"281\" src=\"https:\/\/www.youtube.com\/embed\/P9UvzH02o-A?feature=oembed\" frameborder=\"0\" allow=\"accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture; web-share\" referrerpolicy=\"strict-origin-when-cross-origin\" allowfullscreen><\/iframe>\n<\/div><\/figure>\n\n\n<p>Apr\u00e8s avoir observ\u00e9 cette vid\u00e9o, r\u00e9pond \u00e0 la question suivante :<\/p>\n<p><span style=\"color: #0000ff;\"><strong>3- De quelle mati\u00e8re premi\u00e8re est issu le plastique ?<\/strong><\/span><\/p>\n<p><span style=\"color: #0000ff;\"><strong>4 &#8211; Quel d\u00e9riv\u00e9 du p\u00e9trole est utilis\u00e9 pour la fabrication du plastique ?<\/strong><\/span><\/p>\n<p><span style=\"color: #0000ff;\"><strong>5 &#8211; En quoi consiste le \u00ab\u00a0craquage\u00a0\u00bb ?<\/strong><\/span><\/p>\n<p><span style=\"color: #0000ff;\"><strong>6 &#8211; Sous quelles formes trouve-t-on les polym\u00e8res ?<\/strong><\/span><\/p>\n<p><span style=\"color: #0000ff;\"><strong>7 &#8211; Quelles sont les 3 cat\u00e9gories de plastiques ?<\/strong><\/span><\/p>\n<\/p>\n<h5><strong><span style=\"color: #ff0000;\">III\u00b0) Le cycle de vie d&rsquo;un objet technique :<\/span><\/strong><\/h5>\n<\/p>\n\n\n<figure class=\"wp-block-embed is-type-video is-provider-youtube wp-block-embed-youtube wp-embed-aspect-16-9 wp-has-aspect-ratio\"><div class=\"wp-block-embed__wrapper\">\n<iframe loading=\"lazy\" title=\"Le cycle de vie d\u2019un produit, qu\u2019est-ce que c\u2019est\u00a0?\" width=\"500\" height=\"281\" src=\"https:\/\/www.youtube.com\/embed\/SJq7i_3UODM?feature=oembed\" frameborder=\"0\" allow=\"accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture; web-share\" referrerpolicy=\"strict-origin-when-cross-origin\" allowfullscreen><\/iframe>\n<\/div><\/figure>\n\n\n<p>Recopie la d\u00e9finition suivante :<\/p>\n<p><span style=\"color: #ff0000;\"><strong>Cycle de vie d&rsquo;un produit :<\/strong><\/span><\/p>\n<p><span style=\"color: #ff0000;\"><strong>Le cycle de vie d&rsquo;un produit correspond \u00e0 sa dur\u00e9e totale de disponibilit\u00e9 sur le march\u00e9 : depuis son lancement jusqu&rsquo;\u00e0 son retrait.<\/strong><\/span><\/p>\n<p>Dessine ci-dessous le dessin repr\u00e9sentant le cycle de vie d&rsquo;un produit (voir dessin de la vid\u00e9o)<\/p>","protected":false},"excerpt":{"rendered":"<p>Pr\u00e9paration du cahier Prendre une nouvelle page et mettre en titre : Caract\u00e9riser et choisir un objet ou un syst\u00e8me technique selon diff\u00e9rents crit\u00e8res I\u00b0) Comparer deux ordinateurs : ***En utilisant les deux liens internet ci-dessous, il faut compl\u00e9ter le tableau de comparaison des deux produits*** -&gt; Le fichier se trouve \u00e0 l&rsquo;arborescence suivante : [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"parent":0,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"site-sidebar-layout":"default","site-content-layout":"","ast-site-content-layout":"default","site-content-style":"default","site-sidebar-style":"default","ast-global-header-display":"","ast-banner-title-visibility":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"","ast-breadcrumbs-content":"","ast-featured-img":"","footer-sml-layout":"","ast-disable-related-posts":"","theme-transparent-header-meta":"","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"set","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"ast-content-background-meta":{"desktop":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"footnotes":""},"class_list":["post-652","page","type-page","status-publish","hentry"],"_links":{"self":[{"href":"https:\/\/technologie.moreauabc.fr\/index.php\/wp-json\/wp\/v2\/pages\/652","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/technologie.moreauabc.fr\/index.php\/wp-json\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/technologie.moreauabc.fr\/index.php\/wp-json\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/technologie.moreauabc.fr\/index.php\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/technologie.moreauabc.fr\/index.php\/wp-json\/wp\/v2\/comments?post=652"}],"version-history":[{"count":22,"href":"https:\/\/technologie.moreauabc.fr\/index.php\/wp-json\/wp\/v2\/pages\/652\/revisions"}],"predecessor-version":[{"id":1174,"href":"https:\/\/technologie.moreauabc.fr\/index.php\/wp-json\/wp\/v2\/pages\/652\/revisions\/1174"}],"wp:attachment":[{"href":"https:\/\/technologie.moreauabc.fr\/index.php\/wp-json\/wp\/v2\/media?parent=652"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}