{"id":26369,"date":"2022-11-23T08:00:57","date_gmt":"2022-11-23T16:00:57","guid":{"rendered":"http:\/\/projectgo.pro\/?p=26369"},"modified":"2024-05-17T01:13:13","modified_gmt":"2024-05-17T09:13:13","slug":"how-do-sd-cards-work","status":"publish","type":"post","link":"https:\/\/projectgo.pro\/fr\/comment-fonctionnent-les-cartes-sd\/","title":{"rendered":"Comment fonctionnent les cartes SD ?"},"content":{"rendered":"<p>Vous \u00eates-vous d\u00e9j\u00e0 demand\u00e9<strong> Comment fonctionnent les cartes SD ?<\/strong>?<\/p>\n<p>In this article, we will delve into the basics of how SD cards work.<\/p>\n<p>We will explore the basics of SD cards, the technology behind it,&nbsp; how they store and retrieve data and how to use them properly.<\/p>\n<p>We will also discuss some common problems associated with SD cards, such as corruption and write protection, and how to address them.<\/p>\n<p>&nbsp;<\/p>\n<h2 style=\"text-align: center;\">What is an SD Card<\/h2>\n<hr>\n<p>Un <strong>Carte SD (Secure Digital)<\/strong> est un dispositif de stockage courant qui a une taille minuscule, une densit\u00e9 de m\u00e9moire \u00e9lev\u00e9e, un taux de transfert de donn\u00e9es \u00e9lev\u00e9 et une s\u00e9curit\u00e9 fiable. Il s'agit d'une forme de m\u00e9moire flash sur laquelle il est possible d'\u00e9crire des milliers de fois. Vous n'avez pas besoin d'alimentation pour conserver le contenu d'une carte SD. C'est pourquoi elle figure parmi les meilleurs choix pour une utilisation sur diff\u00e9rents appareils - des ordinateurs aux t\u00e9l\u00e9phones, des appareils photo aux voitures, etc.<\/p>\n<p>En outre, les cartes SD ne contiennent pas de pi\u00e8ces mobiles, elles sont donc beaucoup plus robustes et peuvent r\u00e9sister aux chocs et aux chutes accidentelles. Notez toutefois que pour utiliser une carte SD, votre appareil doit \u00eatre capable de lire les cartes. Parfois, certains appareils \u00e9lectroniques tels que les appareils photo num\u00e9riques et les t\u00e9l\u00e9phones portables contiennent un emplacement pour carte SD, mais peuvent \u00eatre modifi\u00e9s pour ne pas accepter les cartes. En ce qui concerne les ordinateurs, beaucoup d'entre eux sont \u00e9quip\u00e9s d'un emplacement pour les cartes SD et autres cartes m\u00e9moire. Si ce n'est pas le cas du v\u00f4tre, vous pouvez acheter un lecteur de carte m\u00e9moire USB pour permettre \u00e0 votre ordinateur d'utiliser une carte SD.<\/p>\n<p><img fetchpriority=\"high\" decoding=\"async\" class=\"alignnone wp-image-26382 size-full\" src=\"https:\/\/projectgo.pro\/wp-content\/themes\/reco\/assets\/images\/transparent.gif\" data-lazy=\"true\" data-src=\"http:\/\/projectgo.pro\/wp-content\/uploads\/2022\/11\/step-1.jpg\" alt=\"connecter une carte sd avec un mac\" width=\"938\" height=\"364\" srcset=\"https:\/\/projectgo.pro\/wp-content\/uploads\/2022\/11\/step-1.jpg 938w, https:\/\/projectgo.pro\/wp-content\/uploads\/2022\/11\/step-1-300x116.jpg 300w, https:\/\/projectgo.pro\/wp-content\/uploads\/2022\/11\/step-1-768x298.jpg 768w, https:\/\/projectgo.pro\/wp-content\/uploads\/2022\/11\/step-1-18x7.jpg 18w, https:\/\/projectgo.pro\/wp-content\/uploads\/2022\/11\/step-1-100x39.jpg 100w, https:\/\/projectgo.pro\/wp-content\/uploads\/2022\/11\/step-1-700x272.jpg 700w\" sizes=\"(max-width: 938px) 100vw, 938px\" \/><\/p>\n<p>&nbsp;<\/p>\n<h2 style=\"text-align: center;\">How Do SD Cards Work<\/h2>\n<hr>\n<p>Si la plupart des gens connaissent les cartes SD, peu d'entre eux connaissent leur principe de fonctionnement. C'est pourquoi.., <strong>Comment fonctionnent les cartes SD ?<\/strong> dans les t\u00e9l\u00e9phones et autres appareils \u00e9lectroniques ? Voici la r\u00e9ponse.<\/p>\n<p>Les cartes SD utilisent une s\u00e9rie de composants \u00e9lectroniques appel\u00e9s <strong>Puces NAND<\/strong> (un type de m\u00e9moire flash) pour stocker des fichiers num\u00e9riques. Ces puces permettent d'\u00e9crire et de stocker des donn\u00e9es sur la carte SD et de les conserver sans alimentation \u00e9lectrique. Comme ces puces NAND n'ont pas de pi\u00e8ces mobiles, les donn\u00e9es peuvent \u00eatre transf\u00e9r\u00e9es rapidement \u00e0 partir des cartes SD. Les vitesses de transfert de donn\u00e9es offertes par les cartes SD d\u00e9passent de loin celles de nombreux autres dispositifs de stockage, tels que les CD ou les disques durs.<\/p>\n<p>Lorsque des donn\u00e9es sont \u00e9crites sur une carte SD, elles sont d'abord stock\u00e9es dans un espace de stockage. <strong>m\u00e9moire tampon<\/strong>. Les donn\u00e9es sont ensuite \u00e9crites dans les cellules de m\u00e9moire appropri\u00e9es sous forme de blocs de donn\u00e9es, qui sont organis\u00e9s en pages. Chaque page se compose d'un certain nombre d'octets de donn\u00e9es et d'octets suppl\u00e9mentaires pour la correction des erreurs et d'autres informations de contr\u00f4le.<\/p>\n<p>Lorsque des donn\u00e9es sont lues sur une carte SD, le contr\u00f4leur lit les donn\u00e9es dans les cellules de m\u00e9moire appropri\u00e9es et les envoie \u00e0 l'appareil qui les a demand\u00e9es. Le contr\u00f4leur peut \u00e9galement effectuer une correction d'erreur et d'autres op\u00e9rations pour garantir l'int\u00e9grit\u00e9 des donn\u00e9es lues.<\/p>\n<p>Les puces NAND sont tr\u00e8s durables et ne s'usent pas facilement. Vous pouvez donc \u00e9crire des donn\u00e9es sur les cartes SD des milliers de fois au cours de leur dur\u00e9e de vie.<\/p>\n<h3>Fonctionnalit\u00e9 de protection contre l'\u00e9criture<\/h3>\n<p>Certaines cartes SD sont \u00e9quip\u00e9es d'un \"verrou\" pour emp\u00eacher la perte accidentelle de donn\u00e9es. Cette fonction est assur\u00e9e par un petit commutateur qui, s'il est activ\u00e9, emp\u00eache l'\u00e9criture de nouvelles donn\u00e9es ou l'\u00e9crasement d'anciennes donn\u00e9es sur la carte. Vous pouvez aussi facilement <a href=\"http:\/\/projectgo.pro\/how-to-remove-write-protection-on-micro-sd-card\/\">supprimer la protection en \u00e9criture de votre carte SD<\/a>.<\/p>\n<p>Le commutateur de protection contre l'\u00e9criture est g\u00e9n\u00e9ralement situ\u00e9 sur le c\u00f4t\u00e9 de la carte SD, pr\u00e8s de l'\u00e9tiquette ou du nom de la marque. Il peut \u00eatre d\u00e9plac\u00e9 d'avant en arri\u00e8re entre les positions de verrouillage et de d\u00e9verrouillage. Lorsque le commutateur est en position verrouill\u00e9e, la carte est prot\u00e9g\u00e9e en \u00e9criture et il est impossible d'y \u00e9crire, de la modifier ou de la formater tant que le commutateur n'est pas remis en position d\u00e9verrouill\u00e9e.<\/p>\n<p>Cette fonction est particuli\u00e8rement utile lorsque l'on manipule des donn\u00e9es importantes ou que l'on utilise la carte SD comme p\u00e9riph\u00e9rique de stockage pour des fichiers critiques. Elle offre une protection suppl\u00e9mentaire contre la suppression ou la corruption accidentelle, ce qui permet \u00e0 l'utilisateur de se sentir plus en s\u00e9curit\u00e9 avec ses donn\u00e9es.<\/p>\n<h2><img decoding=\"async\" class=\"size-full wp-image-32865 aligncenter\" src=\"https:\/\/projectgo.pro\/wp-content\/themes\/reco\/assets\/images\/transparent.gif\" data-lazy=\"true\" data-src=\"http:\/\/projectgo.pro\/wp-content\/uploads\/2022\/11\/write-protection-feature.png\" alt=\"fonction de protection contre l&#039;\u00e9criture\" width=\"580\" height=\"388\" srcset=\"https:\/\/projectgo.pro\/wp-content\/uploads\/2022\/11\/write-protection-feature.png 580w, https:\/\/projectgo.pro\/wp-content\/uploads\/2022\/11\/write-protection-feature-300x201.png 300w, https:\/\/projectgo.pro\/wp-content\/uploads\/2022\/11\/write-protection-feature-18x12.png 18w, https:\/\/projectgo.pro\/wp-content\/uploads\/2022\/11\/write-protection-feature-100x67.png 100w\" sizes=\"(max-width: 580px) 100vw, 580px\" \/><\/h2>\n<h2 class=\"JlqpRe\" style=\"text-align: center;\">&nbsp;<\/h2>\n<h2 style=\"text-align: center;\">How To Use SD Cards<\/h2>\n<hr>\n<p style=\"text-align: left;\">Voici comment utiliser les cartes SD sur diff\u00e9rents appareils \u00e9lectroniques :<\/p>\n<h3>How to Use SD Card on a Computer<\/h3>\n<p>Voici les \u00e9tapes \u00e0 suivre pour utiliser les cartes SD sur un ordinateur :<\/p>\n<ol>\n<li><strong>Relier<\/strong> la carte SD \u00e0 votre ordinateur via le logement de la carte.<\/li>\n<li><strong>Ouvrir l'explorateur de fichiers<\/strong> o\u00f9 la carte SD est affich\u00e9e en tant que lecteur sous P\u00e9riph\u00e9riques et lecteurs. Le lecteur est g\u00e9n\u00e9ralement identifi\u00e9 par son nom de marque et une lettre de lecteur lui est attribu\u00e9e.<\/li>\n<li>Aujourd'hui, <strong>double-cliquer sur le lecteur<\/strong> pour parcourir ou g\u00e9rer les fichiers de la carte SD ou transf\u00e9rer des donn\u00e9es entre la carte SD et l'ordinateur.<\/li>\n<li>Une fois que vous avez termin\u00e9 votre travail avec la carte SD, <strong>retirer en toute s\u00e9curit\u00e9<\/strong> de votre PC en cliquant avec le bouton droit de la souris sur le lecteur et en choisissant l'option <strong>\u00c9jecter<\/strong> option. Ne manquez pas cette \u00e9tape afin d'\u00e9viter la perte de donn\u00e9es ou la corruption de la carte SD.<\/li>\n<\/ol>\n<p>Si votre carte SD est corrompue, consultez le site suivant <a href=\"http:\/\/projectgo.pro\/how-to-fix-corrupted-sd-card\/\" target=\"_blank\" rel=\"noopener\">cet article<\/a> pour le r\u00e9parer rapidement et facilement.<\/p>\n<h3>How to Use SD Card on a Camera<\/h3>\n<p>Pour qu'une carte SD fonctionne correctement avec votre appareil photo, elle doit \u00eatre format\u00e9e avant d'\u00eatre utilis\u00e9e pour la premi\u00e8re fois. Vous pouvez <a href=\"http:\/\/projectgo.pro\/how-to-format-an-sd-card-with-a-mac\">le formater sur un ordinateur (Mac ou Windows)<\/a>mais il est pr\u00e9f\u00e9rable de le formater sur un appareil photo. Cela le rendra enti\u00e8rement compatible avec le type de fichier de votre appareil photo.<\/p>\n<p>Voici les \u00e9tapes \u00e0 suivre pour utiliser les cartes SD sur un appareil photo :<\/p>\n<ol>\n<li>Mettez votre appareil photo hors tension et faites preuve de d\u00e9licatesse <strong>ins\u00e9rer<\/strong> la carte SD dans le logement de la carte.<\/li>\n<li>Allumez votre appareil photo et choisissez une option comme <strong>Menu<\/strong>&nbsp;ou&nbsp;<strong>Pr\u00e9f\u00e9rences<\/strong>.<\/li>\n<li>Recherchez et s\u00e9lectionnez le&nbsp;<strong>Format<\/strong><\/li>\n<li><strong>Confirmer<\/strong> pour formater la carte SD et attendez la fin du processus.<\/li>\n<\/ol>\n<p>Une fois le processus termin\u00e9, vous pouvez commencer \u00e0 utiliser l'appareil photo et stocker vos photos pr\u00e9f\u00e9r\u00e9es sur votre carte SD.<\/p>\n<h3>How to Use SD Card on a Phone<\/h3>\n<p>Aujourd'hui, peu de smartphones sont \u00e9quip\u00e9s d'un emplacement pour carte SD, car les fabricants de t\u00e9l\u00e9phones ont consid\u00e9rablement augment\u00e9 la m\u00e9moire interne de leurs appareils. Par cons\u00e9quent, les cartes SD sur les smartphones ne sont plus tr\u00e8s utilis\u00e9es de nos jours.<\/p>\n<p>Toutefois, si vous poss\u00e9dez un vieux t\u00e9l\u00e9phone dot\u00e9 d'un plateau de cartes, il est assez simple d'utiliser une carte SD sur ce t\u00e9l\u00e9phone. Il vous suffit d'ins\u00e9rer votre carte SD dans l'emplacement pr\u00e9vu \u00e0 cet effet, de la configurer \u00e0 l'aide des instructions affich\u00e9es \u00e0 l'\u00e9cran et le tour est jou\u00e9 ! Sur certains t\u00e9l\u00e9phones, vous pouvez m\u00eame utiliser votre <a href=\"http:\/\/projectgo.pro\/how-to-use-sd-card-as-internal-storage\/\">Carte SD comme stockage interne (sur Android)<\/a>.<\/p>\n<p>&nbsp;<\/p>\n<h2 style=\"text-align: center;\">Combien de Go doit contenir ma carte SD ?<\/h2>\n<hr>\n<p>Le nombre de Go que vous devez choisir pour votre carte SD d\u00e9pend de la r\u00e9solution, de la fr\u00e9quence d'images et du d\u00e9bit binaire des vid\u00e9os que vous allez enregistrer. En g\u00e9n\u00e9ral, pour les cam\u00e9ras vid\u00e9o qui filment en 1080p ou en Full HD, une carte SD de 32 ou 64 Go devrait suffire. Toutefois, si vous envisagez de filmer en <strong>R\u00e9solution 4K<\/strong> ou plus, il est recommand\u00e9 d'utiliser une carte SD de plus grande capacit\u00e9, telle que <a href=\"http:\/\/projectgo.pro\/how-many-pictures-can-128gb-hold\/\">128 Go<\/a> ou m\u00eame <a href=\"http:\/\/projectgo.pro\/how-many-pictures-can-256gb-hold\/\">256 Go<\/a>pour tenir compte de la taille plus importante des fichiers.<\/p>\n<p>Il est \u00e9galement important de tenir compte du d\u00e9bit binaire de votre enregistrement vid\u00e9o, car des d\u00e9bits binaires plus \u00e9lev\u00e9s se traduisent par des fichiers plus volumineux. Par exemple, une vid\u00e9o 1080p enregistr\u00e9e \u00e0 60 images par seconde avec un d\u00e9bit \u00e9lev\u00e9 peut n\u00e9cessiter une carte SD de plus grande capacit\u00e9 qu'une vid\u00e9o 1080p enregistr\u00e9e \u00e0 30 images par seconde avec un d\u00e9bit plus faible. En r\u00e8gle g\u00e9n\u00e9rale, il est pr\u00e9f\u00e9rable de choisir une carte SD de plus grande capacit\u00e9 que n\u00e9cessaire afin de disposer de suffisamment d'espace de stockage pour vos vid\u00e9os.<\/p>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n<div class=\"box contrast less-space verdict\">\n<div class=\"sub-box full\">\n<p><span data-contrast=\"auto\">Merci d&#039;avoir lu!<\/span><\/p>\n<\/div>\n<\/div>\n<div>\n<p><span data-contrast=\"auto\">I hope this guide helped you gain all the information about how SD cards work \ud83d\ude42<\/span><span data-ccp-props=\"{&quot;134233117&quot;:true,&quot;134233118&quot;:true,&quot;201341983&quot;:0,&quot;335559739&quot;:160,&quot;335559740&quot;:240}\">&nbsp;<\/span><\/p>\n<p><span data-contrast=\"auto\">\u202f<\/span><span data-ccp-props=\"{&quot;134233117&quot;:true,&quot;134233118&quot;:true,&quot;201341983&quot;:0,&quot;335559739&quot;:160,&quot;335559740&quot;:240}\">&nbsp;<\/span><\/p>\n<p><span data-contrast=\"auto\">Partager c&#039;est aimer&nbsp;<\/span><span data-contrast=\"auto\">\u2764\ufe0f<\/span><span data-ccp-props=\"{&quot;134233117&quot;:true,&quot;134233118&quot;:true,&quot;201341983&quot;:0,&quot;335559739&quot;:160,&quot;335559740&quot;:240}\">&nbsp;<\/span><\/p>\n<p><span data-contrast=\"auto\">Si vous avez trouv\u00e9 cet article utile, veuillez&nbsp;<\/span><b><span data-contrast=\"auto\">le partager<\/span><\/b><span data-contrast=\"auto\"> sur les r\u00e9seaux sociaux avec votre famille et vos amis !<\/span><\/p>\n<\/div>\n<hr>\n<h3>Articles connexes :<\/h3>\n<ul>\n<li><a href=\"http:\/\/projectgo.pro\/how-to-use-sd-card-as-internal-storage\/\">Comment utiliser une carte SD comme m\u00e9moire interne ?<\/a><\/li>\n<li><a href=\"http:\/\/projectgo.pro\/how-to-format-micro-sd-card\/\">Comment formater une carte Micro SD ?<\/a><\/li>\n<li><a href=\"http:\/\/projectgo.pro\/how-much-are-sd-cards\/\">Combien co\u00fbtent les cartes SD\u00a0?<\/a><\/li>\n<li><a href=\"http:\/\/projectgo.pro\/how-to-fix-corrupted-sd-card\/\">Comment r\u00e9parer une carte SD corrompue ?<\/a><\/li>\n<li><a href=\"http:\/\/projectgo.pro\/flash-drive-vs-jump-drive\/\" target=\"_blank\" rel=\"noopener\">Flash Drive vs Jump Drive (vitesse, prix, comparaison)<\/a><\/li>\n<\/ul>","protected":false},"excerpt":{"rendered":"<p>Have you ever wondered how do SD cards work? In this article, we will delve into the basics of how SD cards work. We will&#8230;<\/p>","protected":false},"author":519,"featured_media":26328,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"tpgb_global_settings":"","_et_pb_use_builder":"","_et_pb_old_content":"","_et_gb_content_width":"","_lmt_disableupdate":"","_lmt_disable":"","footnotes":""},"categories":[282],"tags":[326,325],"class_list":["post-26369","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-memory-cards","tag-sd-card-tips","tag-sd-cards"],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v23.6 (Yoast SEO v27.3) - https:\/\/yoast.com\/product\/yoast-seo-premium-wordpress\/ -->\n<title>How do SD Cards Work?<\/title>\n<meta name=\"description\" content=\"In this post, you&#039;ll find out how do SD cards work, how to use them on a computer\/ camera\/phone + What is write protection.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, 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