Question

(1101101)₂ is

• A. 81
• B. 121
• C. 109
• D. 92

Answer 1

Answer: (C)

109

Answer 2

$(1101101)_{2}$

=$1 \times 2^{6} + 1 \times 2^{5} + 0 \times 2^{4} + 1 \times 2^{3} + 1 \times 2^{2} + 0 \times 2^{1} + 1 \times 2^{0}$ = 64 + 32 + 0 + 8 + 4 + 0 + 1 = 109.