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# Perform addition and subtaction on binary numbers

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9.
Convert the following decimal numbers into 8?bit binary numbers as required for 2's complement math, and perform the indicated operations.

Note:
Remember that positive numbers are represented in signed-magnitude format in 2's complement math
a)
+39
+19
=

b)
+39
-19
=

c)
-39
+19
=.

##### Solution Summary

The solution provides help to perform addition and subtraction on binary numbers is achieved.

##### Solution Preview

Binary Representation of the numbers (n=8 bits)

a) +39 = 00100111 ; +19=00010011 ;
+39 + +19 =00100111+00010011 = 00111010 ...

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