A Bit About Binary

Answers


(1)  00000011 = 3
2 1 2 + 1 = 3
0 0 0 0 0 0 1 1 00000011



(2)  10000010 = 130
128 2 128 + 2 = 130
1 0 0 0 0 0 1 0 10000010



(3)  11111110 = 254
128 64 32 16 8 4 2 128 + 64 + 32 + 16 + 8 + 4 + 2 = 254
1 1 1 1 1 1 1 0 00001010



(4)  101 = 5
4 1 4 + 1 = 5
0 0 0 0 0 1 0 1 00000101



(5)  00001111 = 15
8 4 2 1 8 + 4 + 2 + 1 = 15
0 0 0 0 1 1 1 1 00001111


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