The document discusses various ways of presenting data including hard copy, presentation graphics, multimedia, computer aided learning, encyclopedias on CD-ROM, CDs/DVDs, sound, MIDI, and virtual reality. It provides details on each method such as advantages like multimedia making learning fun and CD-ROMs providing quick search of references, as well as how they allow integration of text, graphics, video and audio. Virtual reality provides an immersive experience through headsets and gloves wired to a computer.