{"version":"1.0","provider_name":"A Level Computer Science","provider_url":"https:\/\/learnlearn.uk\/alevelcs","author_name":"learnlearnadmin","author_url":"https:\/\/learnlearn.uk\/alevelcs\/author\/learnlearnadmin\/","title":"Program Maintenance - A Level Computer Science","type":"rich","width":600,"height":338,"html":"<blockquote class=\"wp-embedded-content\" data-secret=\"bSjJ0dxfFD\"><a href=\"https:\/\/learnlearn.uk\/alevelcs\/program-maintenance\/\">Program Maintenance<\/a><\/blockquote><iframe sandbox=\"allow-scripts\" security=\"restricted\" src=\"https:\/\/learnlearn.uk\/alevelcs\/program-maintenance\/embed\/#?secret=bSjJ0dxfFD\" width=\"600\" height=\"338\" title=\"&#8220;Program Maintenance&#8221; &#8212; A Level Computer Science\" data-secret=\"bSjJ0dxfFD\" frameborder=\"0\" marginwidth=\"0\" marginheight=\"0\" scrolling=\"no\" class=\"wp-embedded-content\"><\/iframe><script>\n\/*! This file is auto-generated *\/\n!function(d,l){\"use strict\";l.querySelector&&d.addEventListener&&\"undefined\"!=typeof URL&&(d.wp=d.wp||{},d.wp.receiveEmbedMessage||(d.wp.receiveEmbedMessage=function(e){var t=e.data;if((t||t.secret||t.message||t.value)&&!\/[^a-zA-Z0-9]\/.test(t.secret)){for(var s,r,n,a=l.querySelectorAll('iframe[data-secret=\"'+t.secret+'\"]'),o=l.querySelectorAll('blockquote[data-secret=\"'+t.secret+'\"]'),c=new RegExp(\"^https?:$\",\"i\"),i=0;i<o.length;i++)o[i].style.display=\"none\";for(i=0;i<a.length;i++)s=a[i],e.source===s.contentWindow&&(s.removeAttribute(\"style\"),\"height\"===t.message?(1e3<(r=parseInt(t.value,10))?r=1e3:~~r<200&&(r=200),s.height=r):\"link\"===t.message&&(r=new URL(s.getAttribute(\"src\")),n=new URL(t.value),c.test(n.protocol))&&n.host===r.host&&l.activeElement===s&&(d.top.location.href=t.value))}},d.addEventListener(\"message\",d.wp.receiveEmbedMessage,!1),l.addEventListener(\"DOMContentLoaded\",function(){for(var e,t,s=l.querySelectorAll(\"iframe.wp-embedded-content\"),r=0;r<s.length;r++)(t=(e=s[r]).getAttribute(\"data-secret\"))||(t=Math.random().toString(36).substring(2,12),e.src+=\"#?secret=\"+t,e.setAttribute(\"data-secret\",t)),e.contentWindow.postMessage({message:\"ready\",secret:t},\"*\")},!1)))}(window,document);\n\/\/# sourceURL=https:\/\/learnlearn.uk\/alevelcs\/wp-includes\/js\/wp-embed.min.js\n<\/script>\n","description":"Why do we need maintenance? Once a software system has been deployed it is easy to think that the system is finished, but most systems need ongoing maintenance to keep them fit for purpose. Previously unknown bugs in the software may need to be fixed. New security threats will emerge that system will need to&hellip;&nbsp;Read More &raquo;"}