input and output devices

input and output devices

1. output

2. input

   • keyboard
     • purpose
       • entering characters such as letters, punctuation marks, numbers and symbols
   • scanner
     • purpose
       • capturing images or documents from printed paper copies
   • camera
     • purpose
       • to capture images can be used for still or moving (video) images
   • mouse
     • purpose
       • used to move pointer on the screen and select choice from a menu
   • sensors
     • purpose
       • Enter text here