GCSE Computer Science

GCSE Computer Science

1. Binary & Hexadecimal

2. Data Storage

3. Logic Gates

4. Input & Output Devices

   • Input
     • Scanners
       • 2D & 3D
         • 2D: 1. Light Illuminates doc (Xenon Lamp) 2. Scan Head move across doc & image produced sent to lens using mirrors
     • Barcodes
     • QR Code
     • Keyboards
     • Pointing Devices
     • Microphones
     • Touch Screens
     • Sensors
     • Feedback Loop
   • Output
     • Sound
     • Hard Copy - Inkjet Printer
     • Laser Printer
     • 3D Printer
     • 2D & 3D Cutter
     • LED
     • LCD
     • DLP
     • OLED