computer systems

computer systems

1. input device

   • keyboard- allows the user to enter data by clicking on keys
   • mouse- allows user to enter the date by moving the device
   • touchscreen- allows user to enter data by touching and clicking icons
   • microphone- allows user to enter data by recording their voice
   • heat sensor- allows the user to keep to house at a good stable temperature
   • webcam- allows user to enter data by recoding their face
   • game console-allows user to enter data by moving and using the joystick
   • remote- allows user to enter data by pressing the buttons

2. output devices

   • computer monitor- presents output as image on the screen
   • printer- uses output to print out documents
   • speakers- use output to play a sound
   • LED light- uses output to light up
   • headphones- uses output to play sound directly into the ear

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