Question

Binary number `1001001` is equivalent to the decimal number :
A. `37`
B. `73`
C. `41`
D. `32`

Answer 1

Correct Answer - B
`{:(overset(6)5,overset(5)4,overset(4)0,overset(3)1,overset(2)0,overset(1)0,overset(0)1):}_((2)) = 1 xx 2^(6) +0 xx 2^(5) +0 xx 2^(4) +1 xx 2^(3)+0 xx 2^(2) +0 xx 2^(1) +1 xx 2^@ = 73`.