Audio devices:
-They include sound chips and microphones.
-Amplifiers are required when the project has to be presented to a large audience or in a noisy setting.
Video devices:
-Video creates the maximum visual impact.Video devices include videodisc players and video cards.
-Videodisc players provide precise control over the image being viewed.
-Video cards enable the user to place an image in a window on the computer monitor.
Projectors:
-Projectors are used when you have a larger audience that can be accommodated around a computer monitor.
-The different types of projectors include cathode-ray tube (CRT), liquid-crystal display (LCD) panels, stand-alone LCD projectors, and light-valve.
Printers:
-The two types of printers are laser and inkjet.
-Laser printers offer higher print quality, lower operating costs, but a higher initial cost.
-Inkjet printers are comparatively cheaper, but require higher maintenance.
-Color printers have become an important part of multimedia development.