Data Representation

Data Representation

1. Images

   • Each colour = binary code
     • 01 01 10 11 11 00 11 11 11 01 10 01 01 01 01 11 10 00 10 10
   • Metadata
     • sorts what the file type is and what binary is in use
     • Resolution
     • Colour Depth
   • Colour Depth
     • Number of 'bits' per pixel

2. Numbers

   • Denary
     • 73
   • Hexadecimal
     • 9F
   • Binary
     • 01101011
     • Bits = number of digits per binary number

3. Sound

   • Waves turned into Binary
   • Audio-Digital Converter (ADC)
     • Convert wave to digital form
   • Sound Synthesis
     • Digital signals converted back to waves in speakers