input, output, storage and processing devices

input, output, storage and processing devices

1. input

   • keyboard
     • A keyboard works by when you press a key because each key on the board has a little electrical switch under it so when you press it it sends a electrical wave to the monitor.
   • microphone
     • Microphones are used to input sound. In computing they can be used with voice recognition software and a word processing application to enter text.
   • mouse
     • a mouse is normally used for Computers. It enables you to control what happens on the screen by moving the mouse on your desk and pointing, clicking and selecting items on the screen.
   • controller
     • A controller can be used to make something move like a character or switching TV channels. If they are wired they send little shocks so fast that we cant see them and those shocks tell the monitor to move the character.
   • camera
     • A camera takes pictures and can usually record video too. The pictures it takes and the videos it records are stored in files. These files can be transferred to a computer and then edited.
   • scanners
     • phone
       • A phone works by when you speak into the phone, your phone converts your voice into a electrical signal then is transmitted to radio waves and sent to the person on the other lside that is talking to you.
     • A scanner can be used to digitise images. They make a digital copy instead of a physical copy. They can also be used with optical character recognition software to scan in text that is then editable.

2. output

   • speakers
     • it output sound all around
   • monitor
     • lets you view stuff on it
   • printer
   • headphones
     • it outputs things you want to listen to alone
   • projector
     • phone
     • it output whats it is connected to e.g computer

3. storage

   • usb
     • gives more spaces so you can store more stuff
   • dongle
     • gives you internet access
   • hard drive
     • It saves all your work
   • ICloud
     • CD
       • saves stuff to a cd or watch something from the cd
     • saves online things that you need e.g online games

4. processing

   • bar code reader
     • pin reader
   • console
   • hard drive
   • sky box
   • mother board
     • sound drive
       • heart rate

5. phone

   • saves useful stuff e.g contacts, photos, videos and games