{"id":516,"date":"2022-01-24T05:24:56","date_gmt":"2022-01-24T05:24:56","guid":{"rendered":"http:\/\/learnlearn.uk\/igcsecs\/?page_id=516"},"modified":"2022-01-25T05:07:32","modified_gmt":"2022-01-25T05:07:32","slug":"touchscreens","status":"publish","type":"page","link":"https:\/\/learnlearn.uk\/igcsecs\/touchscreens\/","title":{"rendered":"Touchscreens"},"content":{"rendered":"<div class=\"responsive-tabs\">\n<h2 class=\"tabtitle\">Introduction<\/h2>\n<div class=\"tabcontent\">\n\n<h3>Introduction to touchscreen devices<\/h3>\n<p>Touchscreens are both an input and output device. They allow input from the user through the use of a touch sensitive surface on the screen. They also output data to the user, such as displaying the home screen of a phone or displaying a number pad for the users to press the digits on.<\/p>\n<div id=\"attachment_520\" style=\"width: 760px\" class=\"wp-caption alignnone\"><a href=\"https:\/\/commons.wikimedia.org\/wiki\/File:Touchscreen_IMG_2791.jpg\"><img aria-describedby=\"caption-attachment-520\" decoding=\"async\" loading=\"lazy\" class=\"wp-image-520 size-large\" src=\"https:\/\/learnlearn.uk\/igcsecs\/wp-content\/uploads\/sites\/23\/2022\/01\/touchscreen-1024x768.jpg?_t=1643002039\" alt=\"\" width=\"750\" height=\"563\" srcset=\"https:\/\/learnlearn.uk\/igcsecs\/wp-content\/uploads\/sites\/23\/2022\/01\/touchscreen-1024x768.jpg 1024w, https:\/\/learnlearn.uk\/igcsecs\/wp-content\/uploads\/sites\/23\/2022\/01\/touchscreen-300x225.jpg 300w, https:\/\/learnlearn.uk\/igcsecs\/wp-content\/uploads\/sites\/23\/2022\/01\/touchscreen-768x576.jpg 768w, https:\/\/learnlearn.uk\/igcsecs\/wp-content\/uploads\/sites\/23\/2022\/01\/touchscreen.jpg 1200w\" sizes=\"(max-width: 750px) 100vw, 750px\" \/><\/a><p id=\"caption-attachment-520\" class=\"wp-caption-text\">Source: WIkipedia<\/p><\/div>\n\n<\/div><h2 class=\"tabtitle\">How they work<\/h2>\n<div class=\"tabcontent\">\n\n<p><strong>How touchscreens work<\/strong><\/p>\n<p><a href=\"https:\/\/www.iop.org\/explore-physics\/technology-our-lives\/touchscreen#gref\">https:\/\/www.iop.org\/explore-physics\/technology-our-lives\/touchscreen#gref<\/a><\/p>\n<p>&nbsp;<\/p>\n\n<\/div><h2 class=\"tabtitle\">Pros and cons<\/h2>\n<div class=\"tabcontent\">\n\n<h3>Pros and Cons of touch screens<\/h3>\n<h4>Advantages of touchscreens<\/h4>\n<ul>\n<li>They are incredibly intuitive to use, so much so that even babies can use them.<\/li>\n<li>They don&#8217;t require a separate piece of hardware<\/li>\n<li>They are faster to interact with than mice.<\/li>\n<li>They can be used to perform complex interactions, such as pinch-zoom, two finger rotate.<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<h4>Disadvantages of touchscreens<\/h4>\n<ul>\n<li>Mice are far more accurate then touchscreens, due to the size of your finger.<\/li>\n<li>They don&#8217;t work well when wet or when you are wearing gloves<\/li>\n<li>The are less durable than non-touch screens<\/li>\n<li>Onscreen keyboards can take up a lot of space on the screen<\/li>\n<\/ul>\n\n<\/div><h2 class=\"tabtitle\">Resources<\/h2>\n<div class=\"tabcontent\">\n\n<h3>Resources<\/h3>\n<p><strong>Past Paper 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-12-pdf\">0478\/12 Paper 1 Theory May\/June 2015 &#8211; Qn2<\/a><\/p>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n<\/div><\/div>\n<p>&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Introduction to touchscreen devices Touchscreens are both an input and output device. They allow input from the user through the use of a touch sensitive surface on the screen. They also output data to the user, such as displaying the home screen of a phone or displaying a number pad for the users to press&hellip;&nbsp;<a href=\"https:\/\/learnlearn.uk\/igcsecs\/touchscreens\/\" class=\"\" rel=\"bookmark\">Read More &raquo;<span class=\"screen-reader-text\">Touchscreens<\/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>Touchscreens | 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\/touchscreens\/\" \/>\n<meta property=\"og:locale\" content=\"en_GB\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Touchscreens | IGCSE Computer Science | Learnlearn.uk\" \/>\n<meta property=\"og:description\" content=\"Introduction to touchscreen devices Touchscreens are both an input and output device. 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