An operating system (OS) is a collection of software that manages computer hardware resources and provides common services for computer programs. The operating system is an essential component of the system software in a computer system. Wikipedia

The display resolution of a digital television, computer monitor or display device is the number of distinct pixels in each dimension that can be displayed. <p><a href="http://en.wikipedia.org/wiki/Display_resolution" target="_blank">Wikipedia</a></p>

JavaScript (JS) is an interpreted computer programming language. It was originally implemented as part of web browsers so that client-side scripts could interact with the user, control the browser, communicate asynchronously, and alter the document content that was displayed. <p><a href="http://en.wikipedia.org/wiki/JavaScript" target="_blank">Wikipedia</a></p>

A web browser (commonly referred to as a browser) is a software application for retrieving, presenting and traversing information resources on the World Wide Web. <p><a href="http://en.wikipedia.org/wiki/Web_browser" target="_blank">Wikipedia</a></p>

ActiveX is a software framework created by Microsoft that adapts its earlier Component Object Model (COM) and Object Linking and Embedding (OLE) technologies for content downloaded from a network, particularly in the context of the World Wide Web. <p><a href="http://en.wikipedia.org/wiki/ActiveX" target="_blank">Wikipedia</a></p>

A cookie, also known as an HTTP cookie, web cookie, or browser cookie, is a small piece of data sent from a website and stored in a user's web browser while a user is browsing a website. <p><a href="http://en.wikipedia.org/wiki/HTTP_cookie" target="_blank">Wikipedia</a></p>

The Three Helper can be used to edit files and upload files using drag and drop. <p><a href="../Plugin/DefaultHelper.aspx" target="_blank">Tell me more about the plug-in</a></p>

VBScript (Visual Basic Scripting Edition) is an Active Scripting language developed by Microsoft that is modeled on Visual Basic and is only available in Internet Explorer. <p><a href="http://en.wikipedia.org/wiki/Vbscript" target="_blank">Wikipedia</a></p> If this test fails please refer to <a href="http://support.microsoft.com/kb/949140" target="_blank">this<a/> Microsoft support article

A useragent is a text that browsers send when opening pages. <p><a href="http://en.wikipedia.org/wiki/Media_player_(software)" target="_blank">Wikipedia</a></p>

Pop-ups are generally new web browser windows to display content. <p><a href="http://en.wikipedia.org/wiki/Popup_window#Pop-up_blocking" target="_blank">Wikipedia</a></p>

A firewall is a software or hardware-based network security system that controls the incoming and outgoing network traffic by analyzing the data packets and determining whether they should be allowed through or not. <p><a href="http://en.wikipedia.org/wiki/Firewall_(computing)" target="_blank">Wikipedia</a></p>

Downloading means to receive data to a local system from a remote system, or to initiate such a data transfer. A download blocker disables this functionality. <p><a href="http://en.wikipedia.org/wiki/Download" target="_blank">Wikipedia</a></p>

The Adobe Flash Player is freeware software for viewing multimedia, executing rich Internet applications, and streaming video and audio, content created on the Adobe Flash platform. <p><a href="http://en.wikipedia.org/wiki/Adobe_Flash_Player" target="_blank">Wikipedia</a></p>

A PDF plug-in may be used to view or open PDF files in the browser. <p><a href="http://en.wikipedia.org/wiki/List_of_PDF_software#Viewers" target="_blank">Wikipedia</a></p>

The Silverlight plug-in is used to create or edit Silverpoints. <p><a href="http://en.wikipedia.org/wiki/Silverlight" target="_blank">Wikipedia</a></p>

Media player is a term typically used to describe computer software for playing back multimedia files. <p><a href="http://en.wikipedia.org/wiki/Media_player_(software)" target="_blank">Wikipedia</a></p>