Input,Output and Storage Devices

Input,Output and Storage Devices

1. Input Devices

   • Keyboard
     • When pressing one key it turns a switch on sending data to the computer.
   • mouse
     • Works by LD sensor at the bottom of the mouse picking up motion and sending the data to the computer.
   • Microphone
     • The microphone picks up sound waves sending it to the speakers.
   • Artist pad
     • It works by sending the motion from the pen on the tablet to a drawing program.
   • Touch screen
     • It picks up were your finger is sending the location to the system.
   • PS4/Xbox Controller
     • When a button is pressed it send the data to the console. With the PS4 controller it has a motion sensor that picks up movement and sends it to the console.
   • Face Camera
     • It will capture light through lenses saving as a video.
   • CCTV Camera
     • It will capture light light through lenses saving as a video.
   • Remote Control
     • There is switches under the keys sending the data when pressed to the tv.
   • Steering Wheel
     • uses switches or buttons when it is moved it turns the switch/button and then sends data to CPU.
   • Joy stick
     • When you move the joy stick it press buttons sending data to the CPU.

2. Output Devices

   • Monitor
     • Use pixels to display images on the screen like a tv screen.
   • Printer
     • Uses a laser to scan back and forth building up a patten of electricity and the uses ink to write the letters
   • Speakers
     • The speakers send sound waves by vibrating making music.
   • Projecter
     • A very bright light shines trough LCD screen into a lens magnified a image on to a wall.
   • HeadPhones
     • Works like a small speaker.
   • tv screen
     • Tv uses pixels to display images on the screen like a monitor.
   • lights
     • The light is made from a piece of metal called filament so when it is turned on it light the metal up when it is a coloured light it is normally just a coloured bit of glass or plastic.
   • learser PEN
     • The pens uses diode pumped solid frequency to point out a small light.
   • ink-jet printer
     • Works by the ink cartridge being heated and the used by lasers going up and down scanning the paper and then being sprayed to make the image or words.
   • dot matrix printer
     • A dot matrix printer works by using a print head going back and forth printing.

3. Storage Devices

   • Memory stick
     • A memory stick is a small SSD that uses flash memory cells that keep memory While they are off. They are better than a hard drive because they dont have any moving parts that can brake.
   • CD
     • CD's are shiny because it allows a leaser beam to shin off it and reading the information.
   • Floppy Disk Drive
     • Floppy disk works a little like a hard drive. The floppy disk is magnetic.
   • Hard drive
     • It has magnetic coating on each side. The platters spin at 10,000 revolutions per minute (rpm).
   • Pen Drive
     • The pen drive can be plug into a USB port allowing to be used as a storage unit it works by being plug into the CPU.
   • USB
     • The USB plugs into a USB port witch acts as a storage.

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