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Fix operand bit length in unsigned 3-4 example

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John Winans 2020-09-03 12:26:25 -05:00
parent 9613886753
commit 0fc3eb4039
1 changed files with 8 additions and 8 deletions
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16
book/binary/chapter.tex
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@ -829,16 +829,16 @@ that can be represented with an unsigned binary number.)
\begin{figure}[H]
\centering
\begin{BVerbatim}
0 0 0 0 0 1 1 <== 3 (minuend)
- 0 0 0 0 1 0 0 <== 4 (subtrahend)
---------------
0 0 0 0 0 0 1 1 <== 3 (minuend)
- 0 0 0 0 0 1 0 0 <== 4 (subtrahend)
-----------------
0 0 0 0 0 1 1 1 <== carries
0 0 0 0 0 1 1 <== 3
+ 1 1 1 1 0 1 1 <== one's complement of 4
---------------
1 1 1 1 1 1 1 <== 255 (overflow)
0 0 0 0 0 0 1 1 1 <== carries
0 0 0 0 0 0 1 1 <== 3
+ 1 1 1 1 1 0 1 1 <== one's complement of 4
-----------------
1 1 1 1 1 1 1 1 <== 255 (overflow)
\end{BVerbatim}
\caption{$3-4=255$ (overflow)}
\label{sum:3-4}