computer science

• hexadecimal is used in:

  • error codes
  • IP adress
  • MAC address
  • HTML
• Any form of data needs to be converted to binary to be processed by a computer
• Data is processed using logic gates and stored in registers
• Denary


  A base 10 system
• Binary


  A base 2 system
• Hexadecimal

  A base 16 system
• Values used will be integers only
• Hexadecimal is easier for humans to understand than binary, as it is a shorter representation of the binary
• If the value is greater than 255 in an 8-bit register


  An overflow error will occur
• An overflow error occurs when a value outside this limit should be returned