With the advancement of technology in education, professional presentations techniques are changing.With help of visualisers teacher can make professional presentations of their subject. Visualisers’ uses visual techniques to present object such as text or any 2D and 3D object on screen. It helps the students to retain information for a longer time period. Visualisers also known as Document camera will permit whole class viewing of any text, image or 3D object, including students written work, books, pictures and scientific samples. Visualiser has a range of functions like zoom, split screen, positive/negative, image capture and video capture to provide high quality presentation and easy investigation facility. The zoom and freeze facilities are enormously valuable in areas such as Science and Engineering e.g. the parts of a flower, seed dispersal, parts of an electronic circuit board. It helps students improve their reasoning abilities and grasping power. It can be integrated with interactive whiteboard for making annotations on the live object. Teacher can record demonstrations as a video file.It helps in assessment of students.Visualiser helps in saving money on photo-copying as the visualiser can take a snapshot in seconds and it can be viewed through the projector on an Interactive Whiteboard or pull down screen without the need to make lots of copies. Teacher can record video and capture images into the computer with Visualiser. Teacher can make their own educational presentations using visualiser. Thus, Visualiser should be used in school, colleges and universities to enhance teaching methodology,professional presentations techniques .
