They start with a main idea and branch out to show how that main idea can be broken down into specific topics. Concept Mapping is a technique where relationships can be visually represented.It is also possible to use NVDAto evaluate the accessibility of web content with a screen reader and, to allow you to do this, a guide to the basic features of NVDA can be found here. Text and audio instructions for the use of NVDA can be found here. Screen readers are essential for computer users who are blind. Screen readers are used to verbalise, or 'speak,' everything on the screen into a computerised voice that is spoken aloud.
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