1.0Edexcel iGCSE Computer Sciencehttps://learnlearn.uk/edexcel-igcse-computer-sciencelearnlearnadminhttps://learnlearn.uk/edexcel-igcse-computer-science/author/learnlearnadmin/rich600338<blockquote class="wp-embedded-content" data-secret="jZTFHtljHh"><a href="https://learnlearn.uk/edexcel-igcse-computer-science/magnetic-storage-devices/">Magnetic Storage Devices</a></blockquote><iframe sandbox="allow-scripts" security="restricted" src="https://learnlearn.uk/edexcel-igcse-computer-science/magnetic-storage-devices/embed/#?secret=jZTFHtljHh" width="600" height="338" title="“Magnetic Storage Devices” — Edexcel iGCSE Computer Science" data-secret="jZTFHtljHh" frameborder="0" marginwidth="0" marginheight="0" scrolling="no" class="wp-embedded-content"></iframe><script type="text/javascript"> /*! This file is auto-generated */ !function(c,d){"use strict";var e=!1,o=!1;if(d.querySelector)if(c.addEventListener)e=!0;if(c.wp=c.wp||{},c.wp.receiveEmbedMessage);else if(c.wp.receiveEmbedMessage=function(e){var t=e.data;if(!t);else if(!(t.secret||t.message||t.value));else if(/[^a-zA-Z0-9]/.test(t.secret));else{for(var r,s,a,i=d.querySelectorAll('iframe[data-secret="'+t.secret+'"]'),n=d.querySelectorAll('blockquote[data-secret="'+t.secret+'"]'),o=new RegExp("^https?:$","i"),l=0;l<n.length;l++)n[l].style.display="none";for(l=0;l<i.length;l++)if(r=i[l],e.source!==r.contentWindow);else{if(r.removeAttribute("style"),"height"===t.message){if(1e3<(s=parseInt(t.value,10)))s=1e3;else if(~~s<200)s=200;r.height=s}if("link"===t.message)if(s=d.createElement("a"),a=d.createElement("a"),s.href=r.getAttribute("src"),a.href=t.value,!o.test(a.protocol));else if(a.host===s.host)if(d.activeElement===r)c.top.location.href=t.value}}},e)c.addEventListener("message",c.wp.receiveEmbedMessage,!1),d.addEventListener("DOMContentLoaded",t,!1),c.addEventListener("load",t,!1);function t(){if(o);else{o=!0;for(var e,t,r,s=-1!==navigator.appVersion.indexOf("MSIE 10"),a=!!navigator.userAgent.match(/Trident.*rv:11\./),i=d.querySelectorAll("iframe.wp-embedded-content"),n=0;n<i.length;n++){if(!(r=(t=i[n]).getAttribute("data-secret")))r=Math.random().toString(36).substr(2,10),t.src+="#?secret="+r,t.setAttribute("data-secret",r);if(s||a)(e=t.cloneNode(!0)).removeAttribute("security"),t.parentNode.replaceChild(e,t);t.contentWindow.postMessage({message:"ready",secret:r},"*")}}}}(window,document); </script> Magnetic Storage Devices Magnetic-Storage-Devices-Revision-Sheet These are the oldest of the commonly used storage devices, but are still the most widely used. Magnetic Hard Drives are used to store data and programs on desktops and laptops Magnetic tape drives are usually used for large server / systems backups. Advantages Cheap Storage per MB (especially tape drives!)… Read More »http://learnlearn.uk/gcsecs/wp-content/uploads/sites/8/2016/05/hdd.jpg?_t=1516282909