{"id":122,"date":"2016-04-13T09:51:12","date_gmt":"2016-04-13T09:51:12","guid":{"rendered":"http:\/\/mr-west.uk\/igcse\/?p=122"},"modified":"2016-07-24T09:40:24","modified_gmt":"2016-07-24T09:40:24","slug":"barcode-readers","status":"publish","type":"post","link":"https:\/\/learnlearn.uk\/igcseict\/2016\/04\/13\/barcode-readers\/","title":{"rendered":"Barcode Readers"},"content":{"rendered":"<h2>What it is<a href=\"http:\/\/learnlearn.uk\/igcseict\/wp-content\/uploads\/sites\/3\/2015\/10\/barcode.jpg\"><img decoding=\"async\" loading=\"lazy\" class=\" size-full wp-image-200 alignright\" src=\"https:\/\/learnlearn.uk\/igcseict\/wp-content\/uploads\/sites\/3\/2015\/10\/barcode.jpg\" alt=\"barcode\" width=\"225\" height=\"225\" srcset=\"https:\/\/learnlearn.uk\/igcseict\/wp-content\/uploads\/sites\/3\/2015\/10\/barcode.jpg 225w, https:\/\/learnlearn.uk\/igcseict\/wp-content\/uploads\/sites\/3\/2015\/10\/barcode-150x150.jpg 150w\" sizes=\"(max-width: 225px) 100vw, 225px\" \/><\/a><\/h2>\n<p>A barcode reader or barcode scanner is an electronic device that reads printed barcodes to a computer, by translating optical impulses into electrical ones. It consists of a light source, a lens and a light sensor.<\/p>\n<h2>Uses<\/h2>\n<p>They are used commercially in supermarkets for scanning items at the checkout. Other uses include for healthcare and in factories.<\/p>\n<h2>Advantages<\/h2>\n<ul>\n<li>Reduces the chance of human error as all the employee has to do is scan an object\u2019s barcode to get the information they need.<\/li>\n<li>They help keep track of inventory.<\/li>\n<li>They save time as simply scanning items is quicker than typing the information by hand.<\/li>\n<\/ul>\n<h2>Disadvantages<\/h2>\n<ul>\n<li>They can break down, just like computers which would leave you without for doing inventory checks.<\/li>\n<li>They cost money \u2013 from \u00a350 up to a few hundred pounds, but you get what you pay for.<\/li>\n<\/ul>\n<h2>Alternatives<\/h2>\n<p>QR code readers could be an alternative.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>What it is A barcode reader or barcode scanner is an electronic device that reads printed barcodes to a computer, by translating optical impulses into electrical ones. It consists of a light source, a lens and a light sensor. Uses They are used commercially in supermarkets for scanning items at the checkout. Other uses include&hellip;&nbsp;<a href=\"https:\/\/learnlearn.uk\/igcseict\/2016\/04\/13\/barcode-readers\/\" class=\"\" rel=\"bookmark\">Read More &raquo;<span class=\"screen-reader-text\">Barcode Readers<\/span><\/a><\/p>\n","protected":false},"author":1,"featured_media":200,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"neve_meta_sidebar":"","neve_meta_container":"","neve_meta_enable_content_width":"","neve_meta_content_width":0,"neve_meta_title_alignment":"","neve_meta_author_avatar":"","neve_post_elements_order":"","neve_meta_disable_header":"","neve_meta_disable_footer":"","neve_meta_disable_title":""},"categories":[2,3],"tags":[10,17,20,35],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v20.6 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Barcode Readers - IGCSE ICT<\/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\/igcseict\/2016\/04\/13\/barcode-readers\/\" \/>\n<meta property=\"og:locale\" content=\"en_GB\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Barcode Readers - IGCSE ICT\" \/>\n<meta property=\"og:description\" content=\"What it is A barcode reader or barcode scanner is an electronic device that reads printed barcodes to a computer, by translating optical impulses into electrical ones. 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