PowerPoint - is a software application that is particularly used to present data and information by using text, diagrams with animation, images, and transitional effects, etc in the form of slides. It helps people to better understand the idea or topic in front of the audience practically and easily.
Paper Handouts - is a paper containing a summary of information or topics which will be dealt with in a lecture or talk.
Overhead projector slides - like a film or slide projector, uses light to project an enlarged image on a screen, allowing the view of a small document or picture to be shared with a large audience.
Blackboard - is a reusable writing surface on which text or drawings are made with sticks of calcium sulfate or calcium carbonate, known, when used for this purpose, as chalk.
Flip Chart - is a stationery item consisting of a pad of large paper sheets. It is typically fixed to the upper edge of a whiteboard, or supported on a tripod or four-legged easel. Such charts are commonly used for presentations.
