Signed -> unsigned [closes #12]
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				|  | @ -54,9 +54,9 @@ For example, the bit representation of $-43$ | |||
| as an \texttt{int} number is as follows: | ||||
| \[11111111111111111111111111010101\] | ||||
| 
 | ||||
| In a signed representation, only nonnegative | ||||
| In an unsigned representation, only nonnegative | ||||
| numbers can be used, but the upper bound of the numbers is larger. | ||||
| A signed number of $n$ bits can contain any | ||||
| An unsigned number of $n$ bits can contain any | ||||
| integer between $0$ and $2^n-1$. | ||||
| For example, the \texttt{unsigned int} type in C++ | ||||
| can contain any integer between $0$ and $2^{32}-1$. | ||||
|  |  | |||
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