number system

123456789101112131415
Across
  1. 3. invented binary number system
  2. 6. used to subtract binary number easily
  3. 8. number system digits from 0to9 is used
  4. 11. number system which is understood by computer
  5. 12. invented zero
  6. 13. data put by the user
  7. 14. left most digit of a number
  8. 15. the value of the number in the place(e.g hundred, thousand,etc)
Down
  1. 1. used to add binary number easily
  2. 2. to convert decimal number to binary number
  3. 4. right most digit of a number
  4. 5. system consists number digits starting from 0to7
  5. 7. the value of the number it self
  6. 9. system system consists number digits starting from 0to15(from 10 to 15 there are letters)
  7. 10. number system consists of two digits 0and1