Crossword Clue:

Digit in binary code

Answer	Crossword Clue
ZERO	Digit in binary code
ONE	Digit in binary code
ONE	Digit besides zero allowed in binary code

ONE	Binary code digit
ONES	Half of the digits in binary code
NINE	First digit in a California ZIP code
NINE	First digit in a California zip code
NINE	First digit in a Hawaiian zip code
NINE	First digit in an Alaskan zip code
TWO	First and last digit in a Manhattan area code