19 of them.
8-bit 2s complement representation of -19 is 11101101 For 1s complement invert all the bits. For 2s complement add 1 to the 1s complement: With 8-bits: 19 � 0001 0011 1s � 1110 1100 2s � 1110 1100 + 1 = 1110 1101
There r 16 1s. Including the word one.
5 number 1s so far
A=1c/1s=1cs-19 ampere
4
There are many answers: if numbers can be repeated-1)all '1s' and all '3s' 2)4'1s' and so on....
42
1
1s + 1s + 1 = 2s + 1
6
4 different 1s
One million of them.