Binary Representation Topic 2.1.5 / Core
Key points
  • the terms bit, byte, binary, denary/decimal, hexadecimal;
  • the way in which data is represented in a computer (strings, integers, characters and colours);
  • the space taken by data, e.g. the relation between the hexadecimal representation of colours and the number of colours available;
  • is binary a universal language?
  • comparison of the number of characters needed in the Latin alphabet with those in Arabic and Asian languages: the need for Unicode.
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