- Pens
- Touch Screens
- Game Controller
Pens:
- With a pen-based system,we use an electronic pen to write on the screen and choose command.
- Pens are common input devices for handheld computers,like"Personal digital assistants(PDAs)."
- Pens are handy for making notes or selecting commands,not for inputting a lot of text.
Touch Screens:
- Touch-screen systems accept input directly through the monitor.
- Touch screens use sensors to detect the touch of a finger.They are useful where environmental conditions prohibit the use of a keyboard or mouse.
- Touch-screen system are useful for selecting options from menus.
Game Controller:
- The two primary types of game controllers are joysticks and pads.
- Game pads usually provide controls for each hand.
- joysticks are popular for flight simulator and driving games.
