{"id":97,"date":"2020-11-09T06:04:03","date_gmt":"2020-11-09T06:04:03","guid":{"rendered":"http:\/\/learnlearn.uk\/igcsecs\/?page_id=97"},"modified":"2022-01-28T04:43:01","modified_gmt":"2022-01-28T04:43:01","slug":"mac-addresses-ip-addresses-urls","status":"publish","type":"page","link":"https:\/\/learnlearn.uk\/igcsecs\/mac-addresses-ip-addresses-urls\/","title":{"rendered":"MAC Addresses, IP Addresses &#038; URLs"},"content":{"rendered":"<div class=\"responsive-tabs\">\n<h2 class=\"tabtitle\">MAC Addresses<\/h2>\n<div class=\"tabcontent\">\n\n<h3>MAC Addresses<\/h3>\n<div class=\"nv-iframe-embed\">\n<div class=\"container-lazyload preview-lazyload container-youtube js-lazyload--not-loaded\"><a href=\"https:\/\/www.youtube.com\/watch?v=UrG7RTWIJak&#038;t=1s\" class=\"lazy-load-youtube preview-lazyload preview-youtube\" data-video-title=\"What is a MAC Address?\" title=\"Play video &quot;What is a MAC Address?&quot;\">https:\/\/www.youtube.com\/watch?v=UrG7RTWIJak&#038;t=1s<\/a><noscript>Video can&#8217;t be loaded because JavaScript is disabled: <a href=\"https:\/\/www.youtube.com\/watch?v=UrG7RTWIJak&#038;t=1s\" title=\"What is a MAC Address?\">What is a MAC Address? (https:\/\/www.youtube.com\/watch?v=UrG7RTWIJak&#038;t=1s)<\/a><\/noscript><\/div>\n<\/div>\n\n<\/div><h2 class=\"tabtitle\">IP Addresses<\/h2>\n<div class=\"tabcontent\">\n\n<h3>IP Addresses<\/h3>\n<div class=\"nv-iframe-embed\">\n<div class=\"container-lazyload preview-lazyload container-youtube js-lazyload--not-loaded\"><a href=\"https:\/\/www.youtube.com\/watch?v=7_-qWlvQQtY\" class=\"lazy-load-youtube preview-lazyload preview-youtube\" data-video-title=\"IP addresses. Explained.\" title=\"Play video &quot;IP addresses. Explained.&quot;\">https:\/\/www.youtube.com\/watch?v=7_-qWlvQQtY<\/a><noscript>Video can&#8217;t be loaded because JavaScript is disabled: <a href=\"https:\/\/www.youtube.com\/watch?v=7_-qWlvQQtY\" title=\"IP addresses. Explained.\">IP addresses. Explained. (https:\/\/www.youtube.com\/watch?v=7_-qWlvQQtY)<\/a><\/noscript><\/div>\n<\/div>\n<p>&nbsp;<\/p>\n\n<\/div><h2 class=\"tabtitle\">URLS<\/h2>\n<div class=\"tabcontent\">\n\n<h3>Unique Resource Locators\u00a0 (AKA Web Address)<\/h3>\n<p>An URL (aka web address) is the\u00a0<strong>alpha-numerical<\/strong>\u00a0address that humans type in to a web browser to access a website. Humans like to use URLs rather than IP Addresses because they are easy to remember.<\/p>\n<p>An URL can be the name of a website or a specific page and may also contain query parameters \/ port numbers.<\/p>\n<p>Example URLs<\/p>\n<ul>\n<li>Website Address \u2013 https:\/\/www.google.com<\/li>\n<li>Webpage Address- https:\/\/learnlearn.uk\/alevelcs\/<\/li>\n<li>Webpage address with search query \u2013 https:\/\/learnlearn.uk\/alevelcs\/?s=internet<\/li>\n<\/ul>\n<p>Internet enable devices use IP addresses to communicate instead or URLs, so each URL must be resolved to an IP address before data can be sent across the Internet.<\/p>\n<h3>How URLS are resolved and web pages are served video<\/h3>\n<p><iframe loading=\"lazy\" src=\"https:\/\/www.youtube.com\/embed\/rIDL5GzisA8\" width=\"800\" height=\"600\" frameborder=\"0\" allowfullscreen=\"allowfullscreen\"><\/iframe><\/p>\n\n<\/div><h2 class=\"tabtitle\">Resources<\/h2>\n<div class=\"tabcontent\">\n\n<h3>Resources<\/h3>\n<p><a href=\"https:\/\/scratch.mit.edu\/projects\/374048862\/\">Scratch Animation<\/a><\/p>\n<p><strong>Past Paper Exam Questions<\/strong><\/p>\n<p><a href=\"https:\/\/pastpapers.papacambridge.com\/viewer\/caie\/cambridge-upper-secondary-igcse-computer-science-0478-2015-jun-0478-s15-qp-11-pdf\">0478\/11 Paper 1 Theory May\/June 2015 &#8211; Qn 4<\/a><\/p>\n<p><a href=\"https:\/\/pastpapers.papacambridge.com\/viewer\/caie\/cambridge-upper-secondary-igcse-computer-science-0478-2016-jun-0478-s16-qp-11-pdf\">0478\/11 Paper 1 Theory May\/June 2016\u00a0\u00a0<\/a>Qn 2<\/p>\n<p><a href=\"https:\/\/pastpapers.papacambridge.com\/viewer\/caie\/cambridge-upper-secondary-igcse-computer-science-0478-2016-nov-0478-w16-qp-11-pdf\">0478\/11 &#8211; Paper 1 Theory October\/November 2016 qn 10c<\/a><\/p>\n<p><a href=\"https:\/\/pastpapers.papacambridge.com\/viewer\/caie\/cambridge-upper-secondary-igcse-computer-science-0478-2017-nov-0478-w17-qp-11-pdf\">0478\/11 &#8211; Paper 1 Theory October\/November 2017 qn3<\/a><\/p>\n<p><a href=\"https:\/\/pastpapers.papacambridge.com\/viewer\/caie\/cambridge-upper-secondary-igcse-computer-science-0478-2018-oct-nov-0478-w18-qp-11-pdf\">0478\/11 Paper 1 Theory October\/November 2018 Qn 8 (beginner fill in the blanks, good for starter\/plenary)<\/a><\/p>\n<p>&nbsp;<\/p>\n<\/div><\/div>\n","protected":false},"excerpt":{"rendered":"<p>MAC Addresses https:\/\/www.youtube.com\/watch?v=UrG7RTWIJak&#038;t=1sVideo can&#8217;t be loaded because JavaScript is disabled: What is a MAC Address? (https:\/\/www.youtube.com\/watch?v=UrG7RTWIJak&#038;t=1s) IP Addresses https:\/\/www.youtube.com\/watch?v=7_-qWlvQQtYVideo can&#8217;t be loaded because JavaScript is disabled: IP addresses. Explained. (https:\/\/www.youtube.com\/watch?v=7_-qWlvQQtY) &nbsp; Unique Resource Locators\u00a0 (AKA Web Address) An URL (aka web address) is the\u00a0alpha-numerical\u00a0address that humans type in to a web browser to access a&hellip;&nbsp;<a href=\"https:\/\/learnlearn.uk\/igcsecs\/mac-addresses-ip-addresses-urls\/\" class=\"\" rel=\"bookmark\">Read More &raquo;<span class=\"screen-reader-text\">MAC Addresses, IP Addresses &#038; URLs<\/span><\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"parent":0,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"neve_meta_sidebar":"","neve_meta_container":"","neve_meta_enable_content_width":"","neve_meta_content_width":70,"neve_meta_title_alignment":"","neve_meta_author_avatar":"","neve_post_elements_order":"","neve_meta_disable_header":"","neve_meta_disable_footer":"","neve_meta_disable_title":""},"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v20.6 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>MAC Addresses, IP Addresses &amp; URLs | IGCSE Computer Science | Learnlearn.uk<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/learnlearn.uk\/igcsecs\/mac-addresses-ip-addresses-urls\/\" \/>\n<meta property=\"og:locale\" content=\"en_GB\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"MAC Addresses, IP Addresses &amp; URLs | IGCSE Computer Science | Learnlearn.uk\" \/>\n<meta property=\"og:description\" content=\"MAC Addresses https:\/\/www.youtube.com\/watch?v=UrG7RTWIJak&#038;t=1sVideo can&#8217;t be loaded because JavaScript is disabled: What is a MAC Address? 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(https:\/\/www.youtube.com\/watch?v=UrG7RTWIJak&#038;t=1s) IP Addresses https:\/\/www.youtube.com\/watch?v=7_-qWlvQQtYVideo can&#8217;t be loaded because JavaScript is disabled: IP addresses. Explained. 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