{"id":183,"date":"2022-05-10T19:49:26","date_gmt":"2022-05-10T18:49:26","guid":{"rendered":"https:\/\/blogs.glowscotland.org.uk\/glowblogs\/phsn5computingscience\/?page_id=183"},"modified":"2022-05-10T20:00:03","modified_gmt":"2022-05-10T19:00:03","slug":"environment","status":"publish","type":"page","link":"https:\/\/blogs.glowscotland.org.uk\/glowblogs\/phsn5computingscience\/environment\/","title":{"rendered":"Environment"},"content":{"rendered":"<h2 style=\"color: red\">Energy Use<\/h2>\n<p><span data-contrast=\"none\">As of 2017, it is estimated that two billion computer systems are in use in the world.<\/span>\u00a0<span data-contrast=\"none\">These systems require energy.\u00a0<\/span>\u00a0<span data-contrast=\"none\">While one individual system may not need much energy to operate, two billion systems require vast amounts of electricity.\u202f<\/span><\/p>\n<p><span data-contrast=\"none\">Details some of the components and peripherals that require power\u00a0<\/span><\/p>\n<ul style=\"font-weight: 400\">\n<li data-aria-posinset=\"1\" data-aria-level=\"1\"><span data-contrast=\"none\">motherboard:<\/span>\n<ul>\n<li data-aria-posinset=\"1\" data-aria-level=\"2\"><span data-contrast=\"none\">CPU<\/span><\/li>\n<li data-aria-posinset=\"2\" data-aria-level=\"2\"><span data-contrast=\"none\">graphics card<\/span><\/li>\n<li data-aria-posinset=\"3\" data-aria-level=\"2\"><span data-contrast=\"none\">sound card<\/span><\/li>\n<li data-aria-posinset=\"4\" data-aria-level=\"2\"><span data-contrast=\"none\">network interface card<\/span><\/li>\n<\/ul>\n<\/li>\n<li data-aria-posinset=\"2\" data-aria-level=\"1\"><span data-contrast=\"none\">monitor or touchscreen<\/span><\/li>\n<li data-aria-posinset=\"3\" data-aria-level=\"1\"><span data-contrast=\"none\">keyboard<\/span><\/li>\n<li data-aria-posinset=\"4\" data-aria-level=\"1\"><span data-contrast=\"none\">mouse<\/span><\/li>\n<li data-aria-posinset=\"5\" data-aria-level=\"1\"><span data-contrast=\"none\">printer<\/span><\/li>\n<li data-aria-posinset=\"6\" data-aria-level=\"1\"><span data-contrast=\"none\">scanner<\/span><\/li>\n<li data-aria-posinset=\"7\" data-aria-level=\"1\"><span data-contrast=\"none\">router\/ hub\u202f(if the system is linked to a network<\/span><\/li>\n<\/ul>\n<p><span data-contrast=\"none\">A typical server uses 80 -100 watts of power. Google uses around 1,000,000 servers world wide. Facebook uses 180,000 servers.<\/span><\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone wp-image-187\" src=\"https:\/\/blogs.glowscotland.org.uk\/glowblogs\/public\/phsn5computingscience\/uploads\/sites\/10033\/2022\/05\/10195503\/Screenshot-2022-05-10-195440-300x168.png\" alt=\"\" width=\"614\" height=\"344\" srcset=\"https:\/\/blogs.glowscotland.org.uk\/glowblogs\/public\/phsn5computingscience\/uploads\/sites\/10033\/2022\/05\/10195503\/Screenshot-2022-05-10-195440-300x168.png 300w, https:\/\/blogs.glowscotland.org.uk\/glowblogs\/public\/phsn5computingscience\/uploads\/sites\/10033\/2022\/05\/10195503\/Screenshot-2022-05-10-195440-1024x573.png 1024w, https:\/\/blogs.glowscotland.org.uk\/glowblogs\/public\/phsn5computingscience\/uploads\/sites\/10033\/2022\/05\/10195503\/Screenshot-2022-05-10-195440-768x430.png 768w, https:\/\/blogs.glowscotland.org.uk\/glowblogs\/public\/phsn5computingscience\/uploads\/sites\/10033\/2022\/05\/10195503\/Screenshot-2022-05-10-195440-624x349.png 624w, https:\/\/blogs.glowscotland.org.uk\/glowblogs\/public\/phsn5computingscience\/uploads\/sites\/10033\/2022\/05\/10195503\/Screenshot-2022-05-10-195440.png 1163w\" sizes=\"auto, (max-width: 614px) 100vw, 614px\" \/><\/p>\n<p>&nbsp;<\/p>\n<h2 style=\"color: red\">Reduce Energy<\/h2>\n<h3><b><span data-contrast=\"none\">Monitor Settings<\/span><\/b><\/h3>\n<p><span data-contrast=\"none\">Many monitors allow users to alter settings to save energy.\u00a0<\/span><\/p>\n<p><span data-contrast=\"none\">Some advice around energy use is:<\/span><\/p>\n<ul style=\"font-weight: 400\">\n<li data-aria-posinset=\"1\" data-aria-level=\"1\"><strong>reduce the &#8216;brightness&#8217; setting as much as possible\u00a0<\/strong><\/li>\n<li data-aria-posinset=\"2\" data-aria-level=\"1\"><span data-contrast=\"none\">activate efficiency mode if the monitor supports this setting<\/span><\/li>\n<li data-aria-posinset=\"3\" data-aria-level=\"1\"><span data-contrast=\"none\">do not use a screen saver<\/span><\/li>\n<\/ul>\n<p><b><span data-contrast=\"none\">Power-down settings<\/span><\/b><\/p>\n<ul style=\"font-weight: 400\">\n<li data-aria-posinset=\"5\" data-aria-level=\"1\"><span data-contrast=\"none\">Power down the monitor after a set period of inactivity<\/span><\/li>\n<li data-aria-posinset=\"6\" data-aria-level=\"1\"><span data-contrast=\"none\">Power down the desktop or laptop after a set period of inactivity<\/span><\/li>\n<li data-aria-posinset=\"7\" data-aria-level=\"1\"><span data-contrast=\"none\">Control settings for individual components:<\/span>\n<ul>\n<li data-aria-posinset=\"1\" data-aria-level=\"2\"><span data-contrast=\"none\">turn hard drive off after period of inactivity (will come on again at a keypress)<\/span><\/li>\n<li data-aria-posinset=\"2\" data-aria-level=\"2\"><span data-contrast=\"none\">set minimum and maximum processor state settings (higher settings use more energy, lower settings mean processor can handle less work)<\/span><\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<p><b><span data-contrast=\"none\">Standby<\/span><\/b><\/p>\n<ul style=\"font-weight: 400\">\n<li data-aria-posinset=\"8\" data-aria-level=\"1\"><span data-contrast=\"none\">Most smartphones and tablets go into standby mode automatically after a fairly short period of inactivity.<\/span><\/li>\n<li data-aria-posinset=\"9\" data-aria-level=\"1\"><span data-contrast=\"none\">For desktops and laptops, users will usually alter settings to either activate or deactivate standby mode.<\/span><\/li>\n<li data-aria-posinset=\"10\" data-aria-level=\"1\"><span data-contrast=\"none\">Users often have a choice between standby mode (also known as sleep mode) or hibernate<\/span><\/li>\n<li data-aria-posinset=\"11\" data-aria-level=\"1\"><span data-contrast=\"none\">RAM continues to be powered<\/span><\/li>\n<li data-aria-posinset=\"12\" data-aria-level=\"1\"><span data-contrast=\"none\">Data for software running at the time of standby is temporarily stored until user resumes work<\/span><\/li>\n<li data-aria-posinset=\"13\" data-aria-level=\"1\"><span data-contrast=\"none\">Power to all other components is significantly reduced or turned off completely<\/span><\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Energy Use As of 2017, it is estimated that two billion computer systems are in use in the world.\u00a0These systems require energy.\u00a0\u00a0While one individual system may not need much energy to operate, two billion systems require vast amounts of electricity.\u202f Details some of the components and peripherals that require power\u00a0 motherboard: CPU graphics card sound [&hellip;]<\/p>\n","protected":false},"author":79984,"featured_media":0,"parent":0,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"footnotes":""},"class_list":["post-183","page","type-page","status-publish","hentry"],"_links":{"self":[{"href":"https:\/\/blogs.glowscotland.org.uk\/glowblogs\/phsn5computingscience\/wp-json\/wp\/v2\/pages\/183","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/blogs.glowscotland.org.uk\/glowblogs\/phsn5computingscience\/wp-json\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/blogs.glowscotland.org.uk\/glowblogs\/phsn5computingscience\/wp-json\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/blogs.glowscotland.org.uk\/glowblogs\/phsn5computingscience\/wp-json\/wp\/v2\/users\/79984"}],"replies":[{"embeddable":true,"href":"https:\/\/blogs.glowscotland.org.uk\/glowblogs\/phsn5computingscience\/wp-json\/wp\/v2\/comments?post=183"}],"version-history":[{"count":3,"href":"https:\/\/blogs.glowscotland.org.uk\/glowblogs\/phsn5computingscience\/wp-json\/wp\/v2\/pages\/183\/revisions"}],"predecessor-version":[{"id":188,"href":"https:\/\/blogs.glowscotland.org.uk\/glowblogs\/phsn5computingscience\/wp-json\/wp\/v2\/pages\/183\/revisions\/188"}],"wp:attachment":[{"href":"https:\/\/blogs.glowscotland.org.uk\/glowblogs\/phsn5computingscience\/wp-json\/wp\/v2\/media?parent=183"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}