{"id":1620,"date":"2017-05-14T18:54:36","date_gmt":"2017-05-14T18:54:36","guid":{"rendered":"https:\/\/blogs.glowscotland.org.uk\/nl\/ColtnessHS-ComputingScience\/?p=1620"},"modified":"2017-05-14T18:54:36","modified_gmt":"2017-05-14T18:54:36","slug":"national-5-calculations","status":"publish","type":"post","link":"https:\/\/blogs.glowscotland.org.uk\/nl\/ColtnessHS-ComputingScience\/2017\/05\/14\/national-5-calculations\/","title":{"rendered":"National 5 &#8211; Calculations"},"content":{"rendered":"<div id=\"page\" class=\"hfeed site\">\n<header id=\"masthead\" class=\"site-header\">\n<div class=\"header-main\">\n<h1 class=\"site-title\">CALCULATIONS IN COMPUTER SYSTEMS<\/h1>\n<\/div>\n<\/header>\n<div id=\"main\" class=\"site-main\">\n<div id=\"primary\" class=\"content-area\">\n<div id=\"content\" class=\"site-content\">\n<article id=\"post-863\" class=\"post-863 post type-post status-publish format-standard hentry category-computer-systems category-revision tag-addressability tag-binary tag-bitmap tag-colour-depth\">\n<div class=\"entry-content\">\n<ul>\n<li>Size of bitmap = no. of Horizontal pixels X no. of Vertical pixels X Colour Depth<\/li>\n<li>No. of pixels = DPI X size in inches<\/li>\n<\/ul>\n<p>You should also be able to convert from bits, Bytes, Kilobytes, Megabytes, Gigabytes &amp;\u00a0Terabytes.<\/p>\n<ul>\n<li>Bit= 1\/0 (Binary digIT)<\/li>\n<li>1 Byte = 8 Bits<\/li>\n<li>1 Kilobytes= 1024 Bytes \u00a0(2<sup>10<\/sup>)<\/li>\n<li>1 Megabytes= 1024 KB \u00a0(2<sup>20<\/sup>)<\/li>\n<li>1 Gigabytes\u00a0= 1024 MB \u00a0(2<sup>30<\/sup>)<\/li>\n<li>1 Terabytes\u00a0= 1024 GB \u00a0(2<sup>40<\/sup>)<\/li>\n<\/ul>\n<p>For <a href=\"http:\/\/en.wikipedia.org\/wiki\/Color_depth\" target=\"_blank\" rel=\"noopener noreferrer\">colour depth<\/a><\/p>\n<ul>\n<li>8 bits = 256 colours (2<sup>8<\/sup>)<\/li>\n<li>16 bits = <a href=\"http:\/\/en.wikipedia.org\/wiki\/High_color\" target=\"_blank\" rel=\"noopener noreferrer\">High Colour<\/a> 65,536 colours (2<sup>16<\/sup>)<\/li>\n<li>24 bits = <a href=\"http:\/\/en.wikipedia.org\/wiki\/Truecolor#Truecolor\" target=\"_blank\" rel=\"noopener noreferrer\">True Colour<\/a> 16,777,216 colours (2<sup>24<\/sup>)<\/li>\n<\/ul>\n<\/div>\n<\/article>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n","protected":false},"excerpt":{"rendered":"<p>CALCULATIONS IN COMPUTER SYSTEMS Size of bitmap = no. of Horizontal pixels X no. of Vertical pixels X Colour Depth No. of pixels = DPI X size in inches You should also be able to convert from bits, Bytes, Kilobytes, Megabytes, Gigabytes &amp;\u00a0Terabytes. Bit= 1\/0 (Binary digIT) 1 Byte = 8 Bits 1 Kilobytes= 1024 &hellip;<\/p>\n","protected":false},"author":32,"featured_media":1385,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[17013],"tags":[],"class_list":["post-1620","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-national-5"],"jetpack_featured_media_url":"https:\/\/blogs.glowscotland.org.uk\/nl\/public\/ColtnessHS-ComputingScience\/uploads\/sites\/12638\/2016\/09\/Slide3.png","jetpack_sharing_enabled":true,"_links":{"self":[{"href":"https:\/\/blogs.glowscotland.org.uk\/nl\/ColtnessHS-ComputingScience\/wp-json\/wp\/v2\/posts\/1620","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/blogs.glowscotland.org.uk\/nl\/ColtnessHS-ComputingScience\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/blogs.glowscotland.org.uk\/nl\/ColtnessHS-ComputingScience\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/blogs.glowscotland.org.uk\/nl\/ColtnessHS-ComputingScience\/wp-json\/wp\/v2\/users\/32"}],"replies":[{"embeddable":true,"href":"https:\/\/blogs.glowscotland.org.uk\/nl\/ColtnessHS-ComputingScience\/wp-json\/wp\/v2\/comments?post=1620"}],"version-history":[{"count":1,"href":"https:\/\/blogs.glowscotland.org.uk\/nl\/ColtnessHS-ComputingScience\/wp-json\/wp\/v2\/posts\/1620\/revisions"}],"predecessor-version":[{"id":1621,"href":"https:\/\/blogs.glowscotland.org.uk\/nl\/ColtnessHS-ComputingScience\/wp-json\/wp\/v2\/posts\/1620\/revisions\/1621"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/blogs.glowscotland.org.uk\/nl\/ColtnessHS-ComputingScience\/wp-json\/wp\/v2\/media\/1385"}],"wp:attachment":[{"href":"https:\/\/blogs.glowscotland.org.uk\/nl\/ColtnessHS-ComputingScience\/wp-json\/wp\/v2\/media?parent=1620"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/blogs.glowscotland.org.uk\/nl\/ColtnessHS-ComputingScience\/wp-json\/wp\/v2\/categories?post=1620"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/blogs.glowscotland.org.uk\/nl\/ColtnessHS-ComputingScience\/wp-json\/wp\/v2\/tags?post=1620"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}