Audio Visual Installations signifies possessing both a sound and a visual component, such seeing that slide-tape presentations, motion pictures, television programs, religious organization and living theater productions. Business presentations are often audiovisual. Inside a typical presentation, the presenter provides audio by chatting, and supplements it with a number of images projected upon a screen, either from the slide projector or from the computer connected to projector using presentation software. Computer-based audio visual installations equipment is frequently used in education and learning, with many universities projection equipment as well as using interactive whiteboard technologies.