{"id":82115,"date":"2024-11-29T11:11:02","date_gmt":"2024-11-29T10:11:02","guid":{"rendered":"https:\/\/matuile.com\/media\/?p=82115"},"modified":"2024-11-29T11:11:04","modified_gmt":"2024-11-29T10:11:04","slug":"cd","status":"publish","type":"post","link":"https:\/\/matuile.com\/media\/cd\/","title":{"rendered":"CD : D\u00e9finition informatique"},"content":{"rendered":"

Un CD<\/strong> (Compact Disc) est un support de stockage optique utilis\u00e9 pour stocker des donn\u00e9es sous forme num\u00e9rique. Il a \u00e9t\u00e9 introduit dans les ann\u00e9es 1980 et est principalement utilis\u00e9 pour stocker de la musique, des logiciels<\/a><\/strong>, ou des fichiers. Un CD<\/strong> est un disque circulaire d’environ 12 cm<\/strong> de diam\u00e8tre qui peut contenir jusqu’\u00e0 700 Mo<\/strong> de donn\u00e9es ou environ 80 minutes<\/strong> de musique.<\/p>

Les CD<\/strong> fonctionnent gr\u00e2ce \u00e0 un faisceau laser qui lit les informations stock\u00e9es sous forme de minuscules creux et bosses (appel\u00e9s \u00ab\u00a0pits\u00a0\u00bb et \u00ab\u00a0lands\u00a0\u00bb) sur la surface du disque. Ces donn\u00e9es sont ensuite traduites et interpr\u00e9t\u00e9es par un lecteur CD<\/strong> pour \u00eatre utilis\u00e9es, que ce soit pour \u00e9couter de la musique, installer des programmes, ou visionner des vid\u00e9os.<\/p>

Bien qu’ils aient \u00e9t\u00e9 largement remplac\u00e9s par des technologies plus r\u00e9centes comme les cl\u00e9s USB<\/a><\/strong>, les disques durs<\/a><\/strong> externes, et le streaming, ils sont encore utilis\u00e9s dans certains domaines, notamment pour la musique physique, les logiciels<\/a><\/strong>, ou comme support de sauvegarde.<\/p>

En r\u00e9sum\u00e9, un CD<\/strong> est un disque optique qui sert \u00e0 stocker des donn\u00e9es num\u00e9riques, utilis\u00e9 principalement pour la musique, les logiciels et le stockage de fichiers avant l’\u00e9mergence de supports plus modernes.<\/p>

<\/div>

Apprenez d\u00e9finition apr\u00e8s d\u00e9finition :<\/p>

A<\/a><\/strong> B<\/a><\/strong> C<\/a><\/strong> D<\/a><\/strong> E<\/a><\/strong> F<\/a><\/strong> G<\/a><\/strong> H<\/a><\/strong> I<\/a><\/strong> J<\/a><\/strong> K<\/a><\/strong> L<\/a><\/strong> M<\/a><\/strong> N<\/a><\/strong> O<\/a><\/strong> P<\/a><\/strong> Q<\/a><\/strong> R<\/a><\/strong> S<\/a><\/strong> T<\/a><\/strong> U<\/a><\/strong> V<\/a><\/strong> W<\/a><\/strong> X<\/a><\/strong> Y<\/a><\/strong> Z<\/a><\/strong><\/p>

<\/div>
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Un CD (Compact Disc) est un support de stockage optique utilis\u00e9 pour stocker des donn\u00e9es sous forme num\u00e9rique. Il a \u00e9t\u00e9 introduit…<\/p>\n","protected":false},"author":10,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"inline_featured_image":false,"footnotes":""},"categories":[344],"tags":[],"class_list":["post-82115","post","type-post","status-publish","format-standard","category-dictionnaire-informatique"],"acf":[],"yoast_head":"\nCD : D\u00e9finition informatique - Matuile<\/title>\n<meta name=\"description\" content=\"n CD (Compact Disc) est un support de stockage optique utilis\u00e9 pour stocker des donn\u00e9es sous forme num\u00e9rique. 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