Page 34-output device functions.

Page 34-output device functions.

1. input

   • keyboard
     • commonly used data entry method-the user presses a key and a is entered into the computer. speciality keyboards are used in resteraunts where each menu item is pressed to an order.
   • printing devices
   • sensors
   • webcam
   • joystick/games conrtoller
   • barcode scanner
   • microphone
   • pointing devices mouse
     • A mouse is the most popular pointing and selection device used in computing; touch padsand trackballs are also types of pointing devices that are on laptop/netbook computers.
   • touch screen
     • used widly on mobile phones, tablet PCs and interactive whiteboards. used as an input device by tapping the screen or using gesture control. used as an output device by viewing the display.

2. output

   • flat screen moniter
   • touch screen
   • speakers
   • inkjet printer
   • laser print
   • LED lights
   • actuator

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