Computing data representation

123456789
Across
  1. 3. A binary digit
  2. 4. Representing data in 1's and 0's
  3. 5. A keyboard key used to get ASCII codes
  4. 7. More symbols than just ASCII
  5. 9. The separate part of the keyboard that just has numbers on it
Down
  1. 1. A single symbol represented by a binary number
  2. 2. A set of symbol that can use 8bits, 16 bits and 32 bits
  3. 6. A group of symbols make up a character...
  4. 8. The name for the numbers 0-9