{"id":11,"date":"2024-04-04T20:12:54","date_gmt":"2024-04-04T20:12:54","guid":{"rendered":"https:\/\/gzs04.zappacorp.com\/?p=11"},"modified":"2024-04-18T23:44:29","modified_gmt":"2024-04-18T23:44:29","slug":"sistemas-operacionais-e-redes-de-computadores","status":"publish","type":"post","link":"https:\/\/gzs04.zappacorp.com\/index.php\/2024\/04\/04\/sistemas-operacionais-e-redes-de-computadores\/","title":{"rendered":"SISTEMAS OPERACIONAIS E REDES DE COMPUTADORES"},"content":{"rendered":"\n<p>Falando sobre o N\u00facleo: O que diferencia o n\u00facleo \u00e9 a sua finalidade de gerenciar os recursos de hardware, al\u00e9m de ser o cora\u00e7\u00e3o do sistema, tamb\u00e9m implementa as abstra\u00e7\u00f5es advindas dos aplicativos e programas utilit\u00e1rios.&nbsp;<\/p>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-large is-resized\"><img decoding=\"async\" src=\"https:\/\/4infra.com.br\/wp-content\/uploads\/2022\/12\/LM-Blogs-e-Tal-Destaque-de-blog-21-1-1024x726.png\" alt=\"\" style=\"width:513px;height:auto\"\/><\/figure><\/div>\n\n\n<p>N\u00e3o Seria poss\u00edvel construir um sistema operacional seguro usando um processador que n\u00e3o tenha n\u00edveis de privil\u00e9gio. Isso porque, h\u00e1 uma funcionalidade distribu\u00edda e espec\u00edfica para cada processador, cuja finalidade \u00e9 executar o seu papel final e, garantir a comunica\u00e7\u00e3o de forma integrada com o sistema operacional, onde, os n\u00edveis de privil\u00e9gio possuem uma estrutura com acesso restrito de acordo com cada n\u00edvel \u2013 0, 1, 2 e 3 \u2013 sendo o n\u00edvel 0 Zero, o n\u00edvel mais restrito, uma vez que comporta o n\u00facleo do Sistema Operacional.&nbsp;<\/p>\n\n\n\n<p>As diferen\u00e7as entre interrup\u00e7\u00f5es, exce\u00e7\u00f5es e traps, para come\u00e7ar:<\/p>\n\n\n\n<p>Interrup\u00e7\u00f5es se referem a a\u00e7\u00f5es r\u00e1pidas do envio de informa\u00e7\u00f5es ao sistema, ou seja, \u00e9 uma parte respons\u00e1vel por enviar \u00e0s informa\u00e7\u00f5es de entradas e sa\u00eddas executadas pelo o usu\u00e1rio enquanto o processador estiver ocupado com outras tarefas e ger\u00eancias.&nbsp;<\/p>\n\n\n\n<p>Exce\u00e7\u00f5es tratam de a\u00e7\u00f5es ilegais, tentativas de divis\u00f5es por zero ou outros erros de software. Pois ser\u00e3o disparadas exce\u00e7\u00f5es no processador.&nbsp;<\/p>\n\n\n\n<p>Traps s\u00e3o Instru\u00e7\u00f5es espec\u00edficas enviadas pelos processadores ao n\u00facleo quando ocorre a comuta\u00e7\u00e3o no processador, que ir\u00e1 executar \u00e0s instru\u00e7\u00f5es e ativas as rotinas de n\u00facleo.<\/p>\n\n\n\n<p class=\"has-text-align-center has-text-color has-background has-link-color wp-elements-fb4ca2567ec5e6b339dab79ce0f19cba\" style=\"color:#00cec5;background:linear-gradient(90deg,rgb(0,45,43) 0%,rgb(0,45,43) 100%)\"><strong>FATEC ZONA SUL &#8211; DESENVOLVIMENTO WEB &#8211; GRUPO 04.<\/strong><\/p>\n\n\n\n<figure class=\"wp-block-embed aligncenter is-type-wp-embed is-provider-embed wp-block-embed-embed\"><div class=\"wp-block-embed__wrapper\">\n<blockquote class=\"wp-embedded-content\" data-secret=\"1yF4c7rNCv\"><a href=\"https:\/\/gzs04.zappacorp.com\/index.php\/2024\/04\/04\/low-code-e-no-code\/\">LOW CODE X NO CODE<\/a><\/blockquote><iframe class=\"wp-embedded-content\" sandbox=\"allow-scripts\" security=\"restricted\" style=\"position: absolute; clip: rect(1px, 1px, 1px, 1px);\" title=\"&#8220;LOW CODE X NO CODE&#8221; &#8212; \" src=\"https:\/\/gzs04.zappacorp.com\/index.php\/2024\/04\/04\/low-code-e-no-code\/embed\/#?secret=cmkROUbQtQ#?secret=1yF4c7rNCv\" data-secret=\"1yF4c7rNCv\" width=\"600\" height=\"338\" frameborder=\"0\" marginwidth=\"0\" marginheight=\"0\" scrolling=\"no\"><\/iframe>\n<\/div><\/figure>\n\n\n","protected":false},"excerpt":{"rendered":"<p>Falando sobre o N\u00facleo: O que diferencia o n\u00facleo \u00e9 a sua finalidade de gerenciar os recursos de hardware, al\u00e9m&hellip;<\/p>\n","protected":false},"author":2,"featured_media":62,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[],"_links":{"self":[{"href":"https:\/\/gzs04.zappacorp.com\/index.php\/wp-json\/wp\/v2\/posts\/11"}],"collection":[{"href":"https:\/\/gzs04.zappacorp.com\/index.php\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/gzs04.zappacorp.com\/index.php\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/gzs04.zappacorp.com\/index.php\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/gzs04.zappacorp.com\/index.php\/wp-json\/wp\/v2\/comments?post=11"}],"version-history":[{"count":9,"href":"https:\/\/gzs04.zappacorp.com\/index.php\/wp-json\/wp\/v2\/posts\/11\/revisions"}],"predecessor-version":[{"id":63,"href":"https:\/\/gzs04.zappacorp.com\/index.php\/wp-json\/wp\/v2\/posts\/11\/revisions\/63"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/gzs04.zappacorp.com\/index.php\/wp-json\/wp\/v2\/media\/62"}],"wp:attachment":[{"href":"https:\/\/gzs04.zappacorp.com\/index.php\/wp-json\/wp\/v2\/media?parent=11"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/gzs04.zappacorp.com\/index.php\/wp-json\/wp\/v2\/categories?post=11"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/gzs04.zappacorp.com\/index.php\/wp-json\/wp\/v2\/tags?post=11"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}