Binary key words

12345678
Across
  1. 3. Used in maths
  2. 6. what do computers speak in
  3. 7. 9 digits
  4. 8. a consoles storage
Down
  1. 1. the new iphone has 512 of this
  2. 2. a pictures storage unit
  3. 4. you need to on holiday
  4. 5. holds data