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href="//donate.wikimedia.org/wiki/Special:FundraiserRedirector?utm_source=donate&utm_medium=sidebar&utm_campaign=C13_it.wikipedia.org&uselang=it" class=""><span>Fai una donazione</span></a> </li> <li id="pt-createaccount-2" class="user-links-collapsible-item mw-list-item user-links-collapsible-item"><a data-mw="interface" href="/w/index.php?title=Speciale:CreaUtenza&returnto=Nodo+%28informatica%29" title="Si consiglia di registrarsi e di effettuare l'accesso, anche se non è obbligatorio" class=""><span>registrati</span></a> </li> <li id="pt-login-2" class="user-links-collapsible-item mw-list-item user-links-collapsible-item"><a data-mw="interface" href="/w/index.php?title=Speciale:Entra&returnto=Nodo+%28informatica%29" title="Si consiglia di effettuare l'accesso, anche se non è obbligatorio [o]" accesskey="o" class=""><span>entra</span></a> </li> </ul> </div> </div> </div> <div id="vector-user-links-dropdown" class="vector-dropdown vector-user-menu vector-button-flush-right 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mw-portlet-user-menu-anon-editor" > <div class="vector-menu-heading"> Pagine per utenti anonimi <a href="/wiki/Aiuto:Benvenuto" aria-label="Ulteriori informazioni sulla contribuzione"><span>ulteriori informazioni</span></a> </div> <div class="vector-menu-content"> <ul class="vector-menu-content-list"> <li id="pt-anoncontribs" class="mw-list-item"><a href="/wiki/Speciale:MieiContributi" title="Un elenco delle modifiche fatte da questo indirizzo IP [y]" accesskey="y"><span>contributi</span></a></li><li id="pt-anontalk" class="mw-list-item"><a href="/wiki/Speciale:MieDiscussioni" title="Discussioni sulle modifiche fatte da questo indirizzo IP [n]" accesskey="n"><span>discussioni</span></a></li> </ul> </div> </div> </div> </div> </nav> </div> </header> </div> <div class="mw-page-container"> <div class="mw-page-container-inner"> <div class="vector-sitenotice-container"> <div id="siteNotice"></div> </div> <div class="vector-column-start"> <div class="vector-main-menu-container"> <div 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data-event-name="pinnable-header.vector-toc.unpin">nascondi</button> </div> <ul class="vector-toc-contents" id="mw-panel-toc-list"> <li id="toc-mw-content-text" class="vector-toc-list-item vector-toc-level-1"> <a href="#" class="vector-toc-link"> <div class="vector-toc-text">Inizio</div> </a> </li> <li id="toc-Note" class="vector-toc-list-item vector-toc-level-1 vector-toc-list-item-expanded"> <a class="vector-toc-link" href="#Note"> <div class="vector-toc-text"> <span class="vector-toc-numb">1</span> <span>Note</span> </div> </a> <ul id="toc-Note-sublist" class="vector-toc-list"> </ul> </li> <li id="toc-Voci_correlate" class="vector-toc-list-item vector-toc-level-1 vector-toc-list-item-expanded"> <a class="vector-toc-link" href="#Voci_correlate"> <div class="vector-toc-text"> <span class="vector-toc-numb">2</span> <span>Voci correlate</span> </div> </a> <ul id="toc-Voci_correlate-sublist" class="vector-toc-list"> </ul> </li> </ul> </div> </div> </nav> </div> </div> <div class="mw-content-container"> <main id="content" class="mw-body"> <header class="mw-body-header vector-page-titlebar"> <nav aria-label="Indice" class="vector-toc-landmark"> <div id="vector-page-titlebar-toc" class="vector-dropdown vector-page-titlebar-toc vector-button-flush-left" > <input type="checkbox" id="vector-page-titlebar-toc-checkbox" role="button" aria-haspopup="true" data-event-name="ui.dropdown-vector-page-titlebar-toc" class="vector-dropdown-checkbox " aria-label="Mostra/Nascondi l'indice" > <label id="vector-page-titlebar-toc-label" for="vector-page-titlebar-toc-checkbox" class="vector-dropdown-label cdx-button cdx-button--fake-button cdx-button--fake-button--enabled cdx-button--weight-quiet cdx-button--icon-only " aria-hidden="true" ><span class="vector-icon mw-ui-icon-listBullet mw-ui-icon-wikimedia-listBullet"></span> <span class="vector-dropdown-label-text">Mostra/Nascondi l'indice</span> </label> <div class="vector-dropdown-content"> <div id="vector-page-titlebar-toc-unpinned-container" class="vector-unpinned-container"> </div> </div> </div> </nav> <h1 id="firstHeading" class="firstHeading mw-first-heading"><span class="mw-page-title-main">Nodo (informatica)</span></h1> <div id="p-lang-btn" class="vector-dropdown mw-portlet mw-portlet-lang" > <input type="checkbox" id="p-lang-btn-checkbox" role="button" aria-haspopup="true" data-event-name="ui.dropdown-p-lang-btn" class="vector-dropdown-checkbox mw-interlanguage-selector" aria-label="Vai a una voce in un'altra lingua. Disponibile in 34 lingue" > <label id="p-lang-btn-label" for="p-lang-btn-checkbox" class="vector-dropdown-label cdx-button cdx-button--fake-button cdx-button--fake-button--enabled cdx-button--weight-quiet cdx-button--action-progressive mw-portlet-lang-heading-34" aria-hidden="true" ><span class="vector-icon mw-ui-icon-language-progressive mw-ui-icon-wikimedia-language-progressive"></span> <span class="vector-dropdown-label-text">34 lingue</span> </label> <div class="vector-dropdown-content"> <div class="vector-menu-content"> <ul class="vector-menu-content-list"> <li class="interlanguage-link interwiki-ar mw-list-item"><a href="https://ar.wikipedia.org/wiki/%D8%B9%D9%82%D8%AF%D8%A9_(%D8%B4%D8%A8%D9%83%D8%A7%D8%AA)" title="عقدة (شبكات) - arabo" lang="ar" hreflang="ar" data-title="عقدة (شبكات)" data-language-autonym="العربية" data-language-local-name="arabo" class="interlanguage-link-target"><span>العربية</span></a></li><li class="interlanguage-link interwiki-bg mw-list-item"><a href="https://bg.wikipedia.org/wiki/%D0%9C%D1%80%D0%B5%D0%B6%D0%BE%D0%B2_%D0%B2%D1%8A%D0%B7%D0%B5%D0%BB" title="Мрежов възел - bulgaro" lang="bg" hreflang="bg" data-title="Мрежов възел" data-language-autonym="Български" data-language-local-name="bulgaro" class="interlanguage-link-target"><span>Български</span></a></li><li class="interlanguage-link interwiki-ca mw-list-item"><a href="https://ca.wikipedia.org/wiki/Node_(xarxa)" title="Node (xarxa) - catalano" lang="ca" hreflang="ca" data-title="Node (xarxa)" data-language-autonym="Català" data-language-local-name="catalano" class="interlanguage-link-target"><span>Català</span></a></li><li class="interlanguage-link interwiki-cs mw-list-item"><a href="https://cs.wikipedia.org/wiki/S%C3%AD%C5%A5ov%C3%BD_uzel" title="Síťový uzel - ceco" lang="cs" hreflang="cs" data-title="Síťový uzel" data-language-autonym="Čeština" data-language-local-name="ceco" class="interlanguage-link-target"><span>Čeština</span></a></li><li class="interlanguage-link interwiki-de mw-list-item"><a href="https://de.wikipedia.org/wiki/Netzwerkelement" title="Netzwerkelement - tedesco" lang="de" hreflang="de" data-title="Netzwerkelement" data-language-autonym="Deutsch" data-language-local-name="tedesco" class="interlanguage-link-target"><span>Deutsch</span></a></li><li class="interlanguage-link interwiki-en mw-list-item"><a href="https://en.wikipedia.org/wiki/Node_(networking)" title="Node (networking) - inglese" lang="en" hreflang="en" data-title="Node (networking)" data-language-autonym="English" data-language-local-name="inglese" class="interlanguage-link-target"><span>English</span></a></li><li class="interlanguage-link interwiki-es mw-list-item"><a href="https://es.wikipedia.org/wiki/Nodo_(inform%C3%A1tica)" title="Nodo (informática) - spagnolo" lang="es" hreflang="es" data-title="Nodo (informática)" data-language-autonym="Español" data-language-local-name="spagnolo" class="interlanguage-link-target"><span>Español</span></a></li><li class="interlanguage-link interwiki-et mw-list-item"><a href="https://et.wikipedia.org/wiki/S%C3%B5lm_(arvutiv%C3%B5rgud)" title="Sõlm (arvutivõrgud) - estone" lang="et" hreflang="et" data-title="Sõlm (arvutivõrgud)" data-language-autonym="Eesti" data-language-local-name="estone" class="interlanguage-link-target"><span>Eesti</span></a></li><li class="interlanguage-link interwiki-eu mw-list-item"><a href="https://eu.wikipedia.org/wiki/Adabegi_(informatika)" title="Adabegi (informatika) - basco" lang="eu" hreflang="eu" data-title="Adabegi (informatika)" data-language-autonym="Euskara" data-language-local-name="basco" class="interlanguage-link-target"><span>Euskara</span></a></li><li class="interlanguage-link interwiki-fa mw-list-item"><a href="https://fa.wikipedia.org/wiki/%DA%AF%D8%B1%D9%87_(%D8%B4%D8%A8%DA%A9%D9%87)" title="گره (شبکه) - persiano" lang="fa" hreflang="fa" data-title="گره (شبکه)" data-language-autonym="فارسی" data-language-local-name="persiano" class="interlanguage-link-target"><span>فارسی</span></a></li><li class="interlanguage-link interwiki-fr mw-list-item"><a href="https://fr.wikipedia.org/wiki/N%C5%93ud_(r%C3%A9seau)" title="Nœud (réseau) - francese" lang="fr" hreflang="fr" data-title="Nœud (réseau)" data-language-autonym="Français" data-language-local-name="francese" class="interlanguage-link-target"><span>Français</span></a></li><li class="interlanguage-link interwiki-he mw-list-item"><a href="https://he.wikipedia.org/wiki/%D7%A6%D7%95%D7%9E%D7%AA_(%D7%A8%D7%A9%D7%AA)" title="צומת (רשת) - ebraico" lang="he" hreflang="he" data-title="צומת (רשת)" data-language-autonym="עברית" data-language-local-name="ebraico" class="interlanguage-link-target"><span>עברית</span></a></li><li class="interlanguage-link interwiki-ja mw-list-item"><a href="https://ja.wikipedia.org/wiki/%E3%83%8E%E3%83%BC%E3%83%89_(%E3%83%8D%E3%83%83%E3%83%88%E3%83%AF%E3%83%BC%E3%82%AF)" title="ノード (ネットワーク) - giapponese" lang="ja" hreflang="ja" data-title="ノード (ネットワーク)" data-language-autonym="日本語" data-language-local-name="giapponese" class="interlanguage-link-target"><span>日本語</span></a></li><li class="interlanguage-link interwiki-kk mw-list-item"><a href="https://kk.wikipedia.org/wiki/%D0%A2%D0%BE%D1%80%D0%B0%D0%BF" title="Торап - kazako" lang="kk" hreflang="kk" data-title="Торап" data-language-autonym="Қазақша" data-language-local-name="kazako" class="interlanguage-link-target"><span>Қазақша</span></a></li><li class="interlanguage-link interwiki-ko mw-list-item"><a href="https://ko.wikipedia.org/wiki/%EB%85%B8%EB%93%9C_(%EB%84%A4%ED%8A%B8%EC%9B%8C%ED%81%AC)" title="노드 (네트워크) - coreano" lang="ko" hreflang="ko" data-title="노드 (네트워크)" data-language-autonym="한국어" data-language-local-name="coreano" class="interlanguage-link-target"><span>한국어</span></a></li><li class="interlanguage-link interwiki-lmo mw-list-item"><a href="https://lmo.wikipedia.org/wiki/Noeud_(red)" title="Noeud (red) - lombardo" lang="lmo" hreflang="lmo" data-title="Noeud (red)" data-language-autonym="Lombard" data-language-local-name="lombardo" class="interlanguage-link-target"><span>Lombard</span></a></li><li class="interlanguage-link interwiki-lv mw-list-item"><a href="https://lv.wikipedia.org/wiki/Mezgls_(t%C4%ABklo%C5%A1ana)" title="Mezgls (tīklošana) - lettone" lang="lv" hreflang="lv" data-title="Mezgls (tīklošana)" data-language-autonym="Latviešu" data-language-local-name="lettone" class="interlanguage-link-target"><span>Latviešu</span></a></li><li class="interlanguage-link interwiki-mk mw-list-item"><a href="https://mk.wikipedia.org/wiki/%D0%88%D0%B0%D0%B7%D0%BE%D0%BB_(%D0%BC%D1%80%D0%B5%D0%B6%D0%B0)" title="Јазол (мрежа) - macedone" lang="mk" hreflang="mk" data-title="Јазол (мрежа)" data-language-autonym="Македонски" data-language-local-name="macedone" class="interlanguage-link-target"><span>Македонски</span></a></li><li class="interlanguage-link interwiki-ms mw-list-item"><a href="https://ms.wikipedia.org/wiki/Nod_(rangkaian)" title="Nod (rangkaian) - malese" lang="ms" hreflang="ms" data-title="Nod (rangkaian)" data-language-autonym="Bahasa Melayu" data-language-local-name="malese" class="interlanguage-link-target"><span>Bahasa Melayu</span></a></li><li class="interlanguage-link interwiki-mt mw-list-item"><a href="https://mt.wikipedia.org/wiki/Node_(kompjuters)" title="Node (kompjuters) - maltese" lang="mt" hreflang="mt" data-title="Node (kompjuters)" data-language-autonym="Malti" data-language-local-name="maltese" class="interlanguage-link-target"><span>Malti</span></a></li><li class="interlanguage-link interwiki-nl mw-list-item"><a href="https://nl.wikipedia.org/wiki/Node_(informatica)" title="Node (informatica) - olandese" lang="nl" hreflang="nl" data-title="Node (informatica)" data-language-autonym="Nederlands" data-language-local-name="olandese" class="interlanguage-link-target"><span>Nederlands</span></a></li><li class="interlanguage-link interwiki-no mw-list-item"><a href="https://no.wikipedia.org/wiki/Nav_(nettverk)" title="Nav (nettverk) - norvegese bokmål" lang="nb" hreflang="nb" data-title="Nav (nettverk)" data-language-autonym="Norsk bokmål" data-language-local-name="norvegese bokmål" class="interlanguage-link-target"><span>Norsk bokmål</span></a></li><li class="interlanguage-link interwiki-pl mw-list-item"><a href="https://pl.wikipedia.org/wiki/W%C4%99ze%C5%82_sieci_komputerowej" title="Węzeł sieci komputerowej - polacco" lang="pl" hreflang="pl" data-title="Węzeł sieci komputerowej" data-language-autonym="Polski" data-language-local-name="polacco" class="interlanguage-link-target"><span>Polski</span></a></li><li class="interlanguage-link interwiki-pt mw-list-item"><a href="https://pt.wikipedia.org/wiki/N%C3%B3_(inform%C3%A1tica)" title="Nó (informática) - portoghese" lang="pt" hreflang="pt" data-title="Nó (informática)" data-language-autonym="Português" data-language-local-name="portoghese" class="interlanguage-link-target"><span>Português</span></a></li><li class="interlanguage-link interwiki-ru mw-list-item"><a href="https://ru.wikipedia.org/wiki/%D0%A3%D0%B7%D0%B5%D0%BB_%D1%81%D0%B5%D1%82%D0%B8" title="Узел сети - russo" lang="ru" hreflang="ru" data-title="Узел сети" data-language-autonym="Русский" data-language-local-name="russo" class="interlanguage-link-target"><span>Русский</span></a></li><li class="interlanguage-link interwiki-simple mw-list-item"><a href="https://simple.wikipedia.org/wiki/Node_(networking)" title="Node (networking) - Simple English" lang="en-simple" hreflang="en-simple" data-title="Node (networking)" data-language-autonym="Simple English" data-language-local-name="Simple English" class="interlanguage-link-target"><span>Simple English</span></a></li><li class="interlanguage-link interwiki-sv mw-list-item"><a href="https://sv.wikipedia.org/wiki/Nod_(datorkommunikation)" title="Nod (datorkommunikation) - svedese" lang="sv" hreflang="sv" data-title="Nod (datorkommunikation)" data-language-autonym="Svenska" data-language-local-name="svedese" class="interlanguage-link-target"><span>Svenska</span></a></li><li class="interlanguage-link interwiki-sw mw-list-item"><a href="https://sw.wikipedia.org/wiki/Fundo_(mtandao)" title="Fundo (mtandao) - swahili" lang="sw" hreflang="sw" data-title="Fundo (mtandao)" data-language-autonym="Kiswahili" data-language-local-name="swahili" class="interlanguage-link-target"><span>Kiswahili</span></a></li><li class="interlanguage-link interwiki-ta mw-list-item"><a href="https://ta.wikipedia.org/wiki/%E0%AE%95%E0%AE%A3%E0%AF%81_(%E0%AE%B5%E0%AE%B2%E0%AF%88%E0%AE%AF%E0%AE%AE%E0%AF%88%E0%AE%AA%E0%AF%8D%E0%AE%AA%E0%AF%81)" title="கணு (வலையமைப்பு) - tamil" lang="ta" hreflang="ta" data-title="கணு (வலையமைப்பு)" data-language-autonym="தமிழ்" data-language-local-name="tamil" class="interlanguage-link-target"><span>தமிழ்</span></a></li><li class="interlanguage-link interwiki-tr mw-list-item"><a href="https://tr.wikipedia.org/wiki/D%C3%BC%C4%9F%C3%BCm_(bilgisayar_a%C4%9Flar%C4%B1)" title="Düğüm (bilgisayar ağları) - turco" lang="tr" hreflang="tr" data-title="Düğüm (bilgisayar ağları)" data-language-autonym="Türkçe" data-language-local-name="turco" class="interlanguage-link-target"><span>Türkçe</span></a></li><li class="interlanguage-link interwiki-vi mw-list-item"><a href="https://vi.wikipedia.org/wiki/N%C3%BAt_m%E1%BA%A1ng" title="Nút mạng - vietnamita" lang="vi" hreflang="vi" data-title="Nút mạng" data-language-autonym="Tiếng Việt" data-language-local-name="vietnamita" class="interlanguage-link-target"><span>Tiếng Việt</span></a></li><li class="interlanguage-link interwiki-zh mw-list-item"><a href="https://zh.wikipedia.org/wiki/%E8%8A%82%E7%82%B9_(%E7%94%B5%E4%BF%A1%E7%BD%91%E7%BB%9C)" title="节点 (电信网络) - cinese" lang="zh" hreflang="zh" data-title="节点 (电信网络)" data-language-autonym="中文" data-language-local-name="cinese" class="interlanguage-link-target"><span>中文</span></a></li><li class="interlanguage-link interwiki-zh-min-nan mw-list-item"><a href="https://zh-min-nan.wikipedia.org/wiki/Node_(b%C4%81ng-l%C5%8D%CD%98)" title="Node (bāng-lō͘) - min nan" lang="nan" hreflang="nan" data-title="Node (bāng-lō͘)" data-language-autonym="閩南語 / Bân-lâm-gú" data-language-local-name="min nan" class="interlanguage-link-target"><span>閩南語 / Bân-lâm-gú</span></a></li><li class="interlanguage-link interwiki-zh-yue mw-list-item"><a href="https://zh-yue.wikipedia.org/wiki/%E7%B6%B2%E7%B5%A1%E7%AF%80%E9%BB%9E" title="網絡節點 - cantonese" lang="yue" hreflang="yue" data-title="網絡節點" data-language-autonym="粵語" data-language-local-name="cantonese" class="interlanguage-link-target"><span>粵語</span></a></li> </ul> <div class="after-portlet after-portlet-lang"><span class="wb-langlinks-edit wb-langlinks-link"><a href="https://www.wikidata.org/wiki/Special:EntityPage/Q173106#sitelinks-wikipedia" title="Modifica collegamenti 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accesskey="v"><span>Modifica</span></a></li><li id="ca-more-edit" class="collapsible vector-more-collapsible-item mw-list-item"><a href="/w/index.php?title=Nodo_(informatica)&action=edit" title="Modifica il wikitesto di questa pagina [e]" accesskey="e"><span>Modifica wikitesto</span></a></li><li id="ca-more-history" class="vector-more-collapsible-item mw-list-item"><a href="/w/index.php?title=Nodo_(informatica)&action=history"><span>Cronologia</span></a></li> </ul> </div> </div> <div id="p-tb" class="vector-menu mw-portlet mw-portlet-tb" > <div class="vector-menu-heading"> Generale </div> <div class="vector-menu-content"> <ul class="vector-menu-content-list"> <li id="t-whatlinkshere" class="mw-list-item"><a href="/wiki/Speciale:PuntanoQui/Nodo_(informatica)" title="Elenco di tutte le pagine che sono collegate a questa [j]" accesskey="j"><span>Puntano qui</span></a></li><li id="t-recentchangeslinked" class="mw-list-item"><a href="/wiki/Speciale:ModificheCorrelate/Nodo_(informatica)" 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.hatnote-text{font-style:italic}body:not(.skin-minerva) .mw-parser-output .hatnote{border:1px solid #CCC;display:flex;margin:.5em 0;padding:.2em .5em}body:not(.skin-minerva) .mw-parser-output .hatnote-text{padding-left:.5em}body.skin-minerva .mw-parser-output .hatnote-icon{padding-right:8px}body.skin-minerva .mw-parser-output .hatnote-icon img{height:auto;width:16px}body.skin--responsive .mw-parser-output .hatnote a.new{color:#d73333}body.skin--responsive .mw-parser-output .hatnote a.new:visited{color:#a55858}</style> <div class="hatnote noprint nota-disambigua"> <div class="hatnote-content"><span class="noviewer hatnote-icon" typeof="mw:File"><span><img src="//upload.wikimedia.org/wikipedia/commons/thumb/b/bc/Nota_disambigua.svg/18px-Nota_disambigua.svg.png" decoding="async" width="18" height="18" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/b/bc/Nota_disambigua.svg/27px-Nota_disambigua.svg.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/b/bc/Nota_disambigua.svg/36px-Nota_disambigua.svg.png 2x" data-file-width="200" data-file-height="200" /></span></span> <span class="hatnote-text"><a href="/wiki/Aiuto:Disambiguazione" title="Aiuto:Disambiguazione">Disambiguazione</a> – Se stai cercando l'elemento costitutivo delle liste concatenate, vedi <b><a href="/wiki/Lista_concatenata" title="Lista concatenata">Lista concatenata</a></b>.</span></div> </div> <style data-mw-deduplicate="TemplateStyles:r133964453">.mw-parser-output .avviso .mbox-text-div>div,.mw-parser-output .avviso .mbox-text-full-div>div{font-size:90%}.mw-parser-output .avviso .mbox-image{flex-basis:52px;flex-grow:0;flex-shrink:0}.mw-parser-output .avviso .mbox-text-full-div .hide-when-compact{display:block}</style><div style="" class="ambox metadata plainlinks avviso avviso-contenuto"> <div class="avviso-immagine mbox-image noprint"><span typeof="mw:File"><a href="/wiki/File:Question_book-4.svg" class="mw-file-description" title="Niente fonti!"><img alt="Niente fonti!" src="//upload.wikimedia.org/wikipedia/commons/thumb/6/64/Question_book-4.svg/45px-Question_book-4.svg.png" decoding="async" width="45" height="35" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/6/64/Question_book-4.svg/68px-Question_book-4.svg.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/6/64/Question_book-4.svg/90px-Question_book-4.svg.png 2x" data-file-width="262" data-file-height="204" /></a></span></div> <div class="avviso-testo mbox-text"> <div class="mbox-text-div"><b>Questa voce o sezione  sugli argomenti teorie dell'informatica e telecomunicazioni <a href="/wiki/Wikipedia:Uso_delle_fonti" title="Wikipedia:Uso delle fonti">non cita le fonti necessarie</a> o quelle presenti sono insufficienti</b>. <div class="hide-when-compact"> <div class="noprint"><hr />Puoi <a class="external text" href="https://it.wikipedia.org/w/index.php?title=Nodo_(informatica)&action=edit">migliorare questa voce</a> aggiungendo citazioni da <a href="/wiki/Wikipedia:Fonti_attendibili" title="Wikipedia:Fonti attendibili">fonti attendibili</a> secondo le <a href="/wiki/Wikipedia:Uso_delle_fonti" title="Wikipedia:Uso delle fonti">linee guida sull'uso delle fonti</a>. </div> </div> </div> </div> </div> <link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r133964453"><div style="" class="ambox metadata noprint plainlinks avviso avviso-generico"> <div class="avviso-immagine mbox-image noprint"><span typeof="mw:File"><a href="/wiki/File:Puzzle_stub.svg" class="mw-file-description" title="Abbozzo"><img alt="Abbozzo" src="//upload.wikimedia.org/wikipedia/commons/thumb/0/0e/Puzzle_stub.svg/45px-Puzzle_stub.svg.png" decoding="async" width="45" height="45" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/0/0e/Puzzle_stub.svg/68px-Puzzle_stub.svg.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/0/0e/Puzzle_stub.svg/90px-Puzzle_stub.svg.png 2x" data-file-width="800" data-file-height="800" /></a></span></div> <div class="avviso-testo mbox-text"> <div class="mbox-text-div"><b>Questa voce  sull'argomento teorie dell'informatica è solo un <a href="/wiki/Aiuto:Abbozzo" title="Aiuto:Abbozzo">abbozzo</a></b>.<br /> <div style="font-size:90%;"><a class="external text" href="https://it.wikipedia.org/w/index.php?title=Nodo_(informatica)&action=edit">Contribuisci</a> a migliorarla secondo le <a href="/wiki/Aiuto:Manuale_di_stile" title="Aiuto:Manuale di stile">convenzioni di Wikipedia</a>. </div> <div class="hide-when-compact"> </div> </div> </div> </div> <p>In <a href="/wiki/Informatica" title="Informatica">informatica</a> e <a href="/wiki/Telecomunicazioni" class="mw-redirect" title="Telecomunicazioni">telecomunicazioni</a> un <b>nodo</b> è un qualsiasi dispositivo <a href="/wiki/Hardware" title="Hardware">hardware</a> del sistema in grado di comunicare con gli altri dispositivi che fanno parte della rete; può quindi essere un <a href="/wiki/Computer" title="Computer">computer</a>, una <a href="/wiki/Stampante" title="Stampante">stampante</a>, un <a href="/wiki/Fax" title="Fax">fax</a>, un <a href="/wiki/Modem" title="Modem">modem</a> ecc. In ogni caso il nodo deve essere dotato di una <a href="/wiki/Scheda_di_rete" title="Scheda di rete">scheda di rete</a>. </p><p>I nodi sono collegati tra loro da un pannello di connessione (in inglese <i><a href="/wiki/Hub_(informatica)" title="Hub (informatica)">Hub</a></i>), chiamato anche <i>concentratore</i>, che ha la funzione di semplificare la <a href="/wiki/Connessione_(informatica)" title="Connessione (informatica)">connessione</a> fisica tra i vari nodi e di <a href="/wiki/Instradamento" title="Instradamento">instradare</a> i <a href="/wiki/Segnale_(fisica)" class="mw-redirect" title="Segnale (fisica)">segnali</a> che vengono inviati da un nodo all'altro.<sup id="cite_ref-1" class="reference"><a href="#cite_note-1"><span class="cite-bracket">[</span>1<span class="cite-bracket">]</span></a></sup> </p><p>Nelle <a href="/wiki/Reti_di_telecomunicazioni" class="mw-redirect" title="Reti di telecomunicazioni">reti di telecomunicazioni</a> indica genericamente un dispositivo ricetrasmittente di elaborazione che può essere posizionato ai bordi della rete stessa (<a href="/wiki/Host" title="Host">nodo terminale</a> (host) <a href="/wiki/Client" title="Client">client</a> o <a href="/wiki/Server" title="Server">server</a>) oppure al suo interno come nodo di transito ovvero di <a href="/wiki/Commutazione_(telecomunicazioni)" title="Commutazione (telecomunicazioni)">commutazione</a> tra varie linee di uscita, ad esempio nella <a href="/wiki/Rete_di_trasporto" title="Rete di trasporto">rete di trasporto</a>. </p><p>In questo caso il termine e il concetto di nodo sono mutuati dalla <a href="/wiki/Teoria_dei_grafi" title="Teoria dei grafi">teoria dei grafi</a>, con la quale è possibile rappresentare formalmente la <a href="/wiki/Topologia_di_rete" title="Topologia di rete">topologia di una rete</a> di telecomunicazioni attraverso il rispettivo <a href="/wiki/Grafo" title="Grafo">grafo</a>. In un grafo, un nodo (o <a href="/wiki/Vertice_(teoria_dei_grafi)" title="Vertice (teoria dei grafi)">vertice</a>) è il punto in cui convergono o dipartono più <a href="/wiki/Arco_(teoria_dei_grafi)" class="mw-redirect" title="Arco (teoria dei grafi)">archi</a> (che in questo caso rappresentano <i>link</i> o collegamenti fisici) con altri nodi. </p> <div class="mw-heading mw-heading2"><h2 id="Note">Note</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Nodo_(informatica)&veaction=edit&section=1" title="Modifica la sezione Note" class="mw-editsection-visualeditor"><span>modifica</span></a><span class="mw-editsection-divider"> | </span><a href="/w/index.php?title=Nodo_(informatica)&action=edit&section=1" title="Edit section's source code: Note"><span>modifica wikitesto</span></a><span class="mw-editsection-bracket">]</span></span></div> <div class="mw-references-wrap"><ol class="references"> <li id="cite_note-1"><a href="#cite_ref-1"><b>^</b></a> <span class="reference-text"><cite class="citation web" style="font-style:normal"> <a rel="nofollow" class="external text" href="https://www.it-impresa.it/blog/nodo-di-rete/"><span style="font-style:italic;">Nodo di rete: ecco cos’è e quale ruolo ha nella rete</span></a>, su <span style="font-style:italic;">it-impresa.it</span>. <small>URL consultato il 26 luglio 2022</small>.</cite></span> </li> </ol></div> <div class="mw-heading mw-heading2"><h2 id="Voci_correlate">Voci correlate</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Nodo_(informatica)&veaction=edit&section=2" title="Modifica la sezione Voci correlate" class="mw-editsection-visualeditor"><span>modifica</span></a><span class="mw-editsection-divider"> | </span><a href="/w/index.php?title=Nodo_(informatica)&action=edit&section=2" title="Edit section's source code: Voci correlate"><span>modifica wikitesto</span></a><span class="mw-editsection-bracket">]</span></span></div> <ul><li><a href="/wiki/Communication_endpoint" title="Communication endpoint">Communication endpoint</a></li> <li><a href="/wiki/Vertice_(teoria_dei_grafi)" title="Vertice (teoria dei grafi)">Vertice (teoria dei grafi)</a></li></ul> <div class="noprint" style="width:100%; padding: 3px 0; display: flex; flex-wrap: wrap; row-gap: 4px; column-gap: 8px; box-sizing: border-box;"><div style="flex-basis: calc( 100% / 2 - 8px / 2 );"><style data-mw-deduplicate="TemplateStyles:r140555418">.mw-parser-output .itwiki-template-occhiello{width:100%;line-height:25px;border:1px solid #CCF;background-color:#F0EEFF;box-sizing:border-box}.mw-parser-output .itwiki-template-occhiello-progetto{background-color:#FAFAFA}@media screen{html.skin-theme-clientpref-night .mw-parser-output .itwiki-template-occhiello{background-color:#202122;border-color:#54595D}html.skin-theme-clientpref-night .mw-parser-output .itwiki-template-occhiello-progetto{background-color:#282929}}@media screen and (prefers-color-scheme:dark){html.skin-theme-clientpref-os .mw-parser-output .itwiki-template-occhiello{background-color:#202122;border-color:#54595D}html.skin-theme-clientpref-os .mw-parser-output .itwiki-template-occhiello-progetto{background-color:#282929}}</style><div class="itwiki-template-occhiello"><span class="noviewer" typeof="mw:File"><a href="/wiki/File:Computer_n_screen.svg" class="mw-file-description" title="Informatica"><img alt=" " src="//upload.wikimedia.org/wikipedia/commons/thumb/7/77/Computer_n_screen.svg/24px-Computer_n_screen.svg.png" decoding="async" width="24" height="25" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/7/77/Computer_n_screen.svg/37px-Computer_n_screen.svg.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/7/77/Computer_n_screen.svg/48px-Computer_n_screen.svg.png 2x" data-file-width="119" data-file-height="123" /></a></span> <b><a href="/wiki/Portale:Informatica" title="Portale:Informatica">Portale Informatica</a></b></div></div><div style="flex-basis: calc( 100% / 2 - 8px / 2 );"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r140555418"><div class="itwiki-template-occhiello"><span class="noviewer" typeof="mw:File"><a href="/wiki/File:Crystal_128_displayphone.png" class="mw-file-description" title="Telematica"><img alt=" " src="//upload.wikimedia.org/wikipedia/commons/thumb/4/46/Crystal_128_displayphone.png/24px-Crystal_128_displayphone.png" decoding="async" width="24" height="25" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/4/46/Crystal_128_displayphone.png/37px-Crystal_128_displayphone.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/4/46/Crystal_128_displayphone.png/49px-Crystal_128_displayphone.png 2x" data-file-width="124" data-file-height="127" /></a></span> <b><a href="/wiki/Portale:Telematica" title="Portale:Telematica">Portale Telematica</a></b></div></div></div>    </div><noscript><img src="https://login.wikimedia.org/wiki/Special:CentralAutoLogin/start?type=1x1" alt="" width="1" height="1" style="border: none; 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