1.0OnlineExamMaker Bloghttps://onlineexammaker.com/kbbixia zhanghttps://onlineexammaker.com/kb/author/zbx/rich600338<blockquote class="wp-embedded-content" data-secret="a9CDpQ5Bpk"><a href="https://onlineexammaker.com/kb/useful-online-examination-system/">What are the characteristics of a useful online examination system?</a></blockquote><iframe sandbox="allow-scripts" security="restricted" src="https://onlineexammaker.com/kb/useful-online-examination-system/embed/#?secret=a9CDpQ5Bpk" width="600" height="338" title="“What are the characteristics of a useful online examination system?” — OnlineExamMaker Blog" data-secret="a9CDpQ5Bpk" frameborder="0" marginwidth="0" marginheight="0" scrolling="no" class="wp-embedded-content"></iframe><script type="text/javascript"> /* <![CDATA[ */ /*! This file is auto-generated */ !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); /* ]]> */ </script> Many schools and educational institutions have to conduct examinations online using online examination systems at present. But many may ask how to choose an online examination system that is useful? What are the characteristics of a useful online examination system? A useful online examination system should be functionally powerful. (1)In a useful online examination system […]https://onlineexammaker.com/kb/wp-content/uploads/2020/10/question-bank.png