Use the 1's complement method to subtract the following binary numbers. $\begin{array} { r }
1111 \
100 \
\hline
\end{array}$
A) 11
B) 101
C) 1011
D) 1
E) 10

Question

Use the 1's complement method to subtract the following binary numbers. $\begin{array} { r } 
1111 \
100 \
\hline
\end{array}$
A) 11
B) 101
C) 1011
D) 1
E) 10

Quizplus · Accepted Answer

To subtract using 1's complement, first find the 1's complement of 100, which is 011. Add this to 1111: 1111 + 011 = 1010. Since there is no carry, the result is 1010. The leading 1 is ignored, leaving 1011.

Use the 1's Complement Method to Subtract the Following Binary 1111100\begin{array} { r } 1111 \\100 \\\hline\end{array}1111100​​

Use the 1's Complement Method to Subtract the Following Binary $\begin{array} { r } 1111 \\100 \\\hline\end{array}$