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6. Add the following numbers (Use 2s Complement when adding a negative number) Subtractions by 2's Complement The algorithm to subtract two binary number using 2's complement is explained as following below - Take 2's complement of the subtrahend Add with minuend If the result of above addition has carry bit 1, then it is dropped and this result will be positive number. If there is no carry bit 1, then take 2's complement of the result which will be negative Note that subtrahend is number that to be subtracted from the another number, i.e., minuend. Also, note that adding end-around carry-bit occurs only in 1's complement arithmetic operations but not 2's complement arithmetic operations. Figure 1. 2s Complement Rules (Taken from Lecture) a. 111 and 1010 b. 1111 and -1011 c. 1010 and -1110 d. -101 and -111

          6. Add the following numbers (Use 2s Complement when adding a negative number)
Subtractions by 2's Complement
The algorithm to subtract two binary number using 2's complement is explained as following
below -
Take 2's complement of the subtrahend
Add with minuend
If the result of above addition has carry bit 1, then it is dropped and this result will be positive
number.
If there is no carry bit 1, then take 2's complement of the result which will be negative
Note that subtrahend is number that to be subtracted from the another number, i.e., minuend.
Also, note that adding end-around carry-bit occurs only in 1's complement arithmetic operations
but not 2's complement arithmetic operations.
Figure 1. 2s Complement Rules (Taken from Lecture)
a.
111 and 1010
b. 1111 and -1011
c.
1010 and -1110
d. -101 and -111

6. Add the following numbers (Use 2s Complement when adding a negative number)
Subtractions by 2's Complement
The algorithm to subtract two binary number using 2's complement is explained as following
below -
Take 2's complement of the subtrahend
Add with minuend
If the result of above addition has carry bit 1, then it is dropped and this result will be positive
number.
If there is no carry bit 1, then take 2's complement of the result which will be negative
Note that subtrahend is number that to be subtracted from the another number, i.e., minuend.
Also, note that adding end-around carry-bit occurs only in 1's complement arithmetic operations
but not 2's complement arithmetic operations.
Figure 1. 2s Complement Rules (Taken from Lecture)
a.
111 and 1010
b. 1111 and -1011
c.
1010 and -1110
d. -101 and -111

Added by Natasha H.

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