関連ワード:  binary number system used digits    binary number system uses digits from 0 to 7 true or false    binary number system uses digits from 0 to 7    binary number system uses digits from 0 to 9    binary number system uses digits from 0 to 9 true or false    binary number system uses dash digits    binary number system uses how many digits    binary number system uses only dash digits    the binary number system uses two digits    the binary number system uses two digits dash and dash