Question

What is the binary number 0111 1011 as unsigned decimal number?

a. 78

b. 49

c. 123

d. 173

e. None of the above

Answer 1

0111 1011 in decimal

(2^7 * 0) + (2^6 * 1) + (2^5 * 1) +(2^4 * 1) + (2^3 * 1) + (2^2 * 0) + (2^1 * 1) + (2^0 * 1)
64 + 32 + 16 + 8 +2 + 1=123

so the answer is 123.

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