{"id":6564,"date":"2017-05-04T14:23:39","date_gmt":"2017-05-04T14:23:39","guid":{"rendered":"https:\/\/www.apen.es\/?page_id=6564"},"modified":"2025-07-14T11:02:54","modified_gmt":"2025-07-14T11:02:54","slug":"memoria-ram","status":"publish","type":"page","link":"https:\/\/www.apen.es\/ca\/glosario-de-informatica\/memoria-ram\/","title":{"rendered":"Mem\u00f2ria RAM"},"content":{"rendered":"<h2 class=\"wp-block-heading\">QU\u00c8 \u00c9S LA MEM\u00d2RIA RAM?<\/h2>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"alignleft is-resized\"><img loading=\"lazy\" decoding=\"async\" width=\"640\" height=\"426\" src=\"https:\/\/www.apen.es\/wp-content\/uploads\/2017\/05\/que-es-la-memoria-ram-concepto.jpg\" alt=\"\" class=\"wp-image-6566\" style=\"width:400px\" title=\"Imatge d&#039;una targeta de mem\u00f2ria Ram QU\u00c8 \u00c9S LA MEM\u00d2RIA RAM?\" srcset=\"https:\/\/www.apen.es\/wp-content\/uploads\/2017\/05\/que-es-la-memoria-ram-concepto.jpg 640w, https:\/\/www.apen.es\/wp-content\/uploads\/2017\/05\/que-es-la-memoria-ram-concepto-300x200.jpg 300w\" sizes=\"auto, (max-width: 640px) 100vw, 640px\" \/><\/figure>\n<\/div>\n\n\n<p>La mem\u00f2ria RAM o \u201cmem\u00f2ria d&#039;acc\u00e9s aleatori\u201d \u00e9s la mem\u00f2ria principal del dispositiu, on s&#039;emmagatzemen programes i dades. Les seves sigles signifiquen Random Access Memory i \u00e9s el lloc on es carreguen totes les instruccions que executa la unitat central de processament i altres unitats del PC.<\/p>\n\n\n\n<p>El 1969 es va llan\u00e7ar una de les primeres mem\u00f2ries RAM, basades en semiconductors de silici per part de l&#039;Intel, amb l&#039;integrat 3101 de 64 bits de mem\u00f2ria. M\u00e9s endavant, es va presentar una mem\u00f2ria DRAM de 1024 bytes, refer\u00e8ncia 1103, com la primera a ser comercialitzada amb \u00e8xit. A finals dels 70, la majoria d&#039;ordinadors utilitzaven integrats, que se soldaven directament a les plaques base o s&#039;instal\u00b7laven a s\u00f2cols.<\/p>\n\n\n\n<p>La mem\u00f2ria RAM o aleat\u00f2ria, tamb\u00e9 coneguda com a mem\u00f2ria vol\u00e0til, no guarda les dades de manera permanent, \u00e9s a dir, que quan deixa d&#039;existir la font d&#039;energia al dispositiu, la informaci\u00f3 es perd.<\/p>\n\n\n\n<p>La mem\u00f2ria RAM \u00e9s un gran nucli, ple d&#039;uns i zeros, que permet emmagatzemar i recuperar la informaci\u00f3. \u00c9s una mem\u00f2ria basada en semiconductors i pot ser llegida i escrita tant pel microprocessador com per altres dispositius de maquinari. \u00c9s un tipus de mem\u00f2ria utilitzada en tot tipus d&#039;aparells electr\u00f2nics com ara ordinadors, m\u00f2bils, port\u00e0tils o tablets, i la seva funci\u00f3 \u00e9s suportar el sistema operatiu i els processos realitzats als dispositius m\u00f2bils.<\/p>\n\n\n\n<p>La RAM \u00e9s una mem\u00f2ria d&#039;acc\u00e9s aleatori, \u00e9s a dir, que un byte o una paraula es pot trobar de manera clara i directa, sense necessitat de tenir en compte els bytes emmagatzemats abans o despr\u00e9s d&#039;aquesta paraula. Permet accedir per a escriptura i lectura d&#039;informaci\u00f3.<\/p>\n\n\n\n<p>La mem\u00f2ria RAM serveix per aconseguir m\u00e9s velocitat de resposta, en el moment de fer servir algun programa a l&#039;ordinador, ja que la informaci\u00f3 que necessita aquest programa per fer-lo funcionar es troba emmagatzemada a la mem\u00f2ria RAM. Aix\u00f2 vol dir que en executar el programa es trasllada al processador totes aquelles instruccions que necessiten ser executades, fent diferents transmissions de dades segons calgui. Tant la mem\u00f2ria RAM com el processador connecten entre si per intercanviar les dades sol\u00b7licitades.<\/p>\n\n\n\n<p>La mem\u00f2ria RAM emmagatzema aquesta informaci\u00f3 i envia al processador les dades que necessiten ser processades, per tant, mentre la mem\u00f2ria tingui m\u00e9s velocitat de transmissi\u00f3 i m\u00e9s capacitat d&#039;emmagatzematge, l&#039;usuari podr\u00e0 utilitzar m\u00e9s programes simult\u00e0niament i de manera m\u00e9s r\u00e0pida.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>La RAM, l&#039;element essencial per a la multitasca<\/strong><\/h3>\n\n\n\n<p>Si en un dispositiu obrim molts programes, la RAM necessitar\u00e0 carregar les instruccions de tots. Depenent de la capacitat de la mem\u00f2ria RAM podrem obrir, simult\u00e0niament, m\u00e9s o menys programes.<\/p>\n\n\n\n<p>La mem\u00f2ria RAM \u00e9s un dispositiu electr\u00f2nic que \u00e9s capa\u00e7 demmagatzemar instruccions i dades, de forma temporal, per\u00f2 perd les dades quan lequip sapaga. El gran avantatge de la mem\u00f2ria RAM \u00e9s que t\u00e9 una alta velocitat a l&#039;hora de fer transmissi\u00f3 de la informaci\u00f3. Com m\u00e9s Gigas tingui la mem\u00f2ria RAM, m\u00e9s velocitat i m\u00e9s avantatges ens podr\u00e0 aportar. Si la mem\u00f2ria RAM t\u00e9 m\u00e9s velocitat de transmissi\u00f3 i m\u00e9s capacitat d&#039;emmagatzematge, l&#039;usuari podr\u00e0 utilitzar m\u00e9s programes alhora i m\u00e9s r\u00e0pidament.<\/p>","protected":false},"excerpt":{"rendered":"<p>\u00bfQUE \u00c9S LA MEMORIA RAM? La memoria RAM o \u201cmemoria de acceso aleatorio\u201d es la memoria principal del dispositivo, en la que se almacenan programas y datos. Sus siglas significan Random Access Memory y es el lugar en el que se cargan todas las instrucciones que ejecuta la unidad central de procesamiento y otras unidades&#8230;<\/p>","protected":false},"author":4,"featured_media":0,"parent":6185,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"page-landing-glosario.php","meta":{"_acf_changed":false,"_kad_blocks_custom_css":"","_kad_blocks_head_custom_js":"","_kad_blocks_body_custom_js":"","_kad_blocks_footer_custom_js":"","_kad_post_transparent":"","_kad_post_title":"","_kad_post_layout":"","_kad_post_sidebar_id":"","_kad_post_content_style":"","_kad_post_vertical_padding":"","_kad_post_feature":"","_kad_post_feature_position":"","_kad_post_header":false,"_kad_post_footer":false,"_kad_post_classname":"","footnotes":""},"class_list":["post-6564","page","type-page","status-publish","hentry"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.6 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Memoria RAM - Apen Inform\u00e1tica<\/title>\n<meta name=\"description\" content=\"\u00bfQue es la memoria RAM? 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