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adding bits

 
amrit singh
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could ne one pls tell me
how to add
10101010
+
10101010
and how to handle carry over
 
anil bisht
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10101010
+
10101010
we will try this
10
+
10
0+0 = 0
1+1 = 2 but its binary so u have to write 1+1 = 10( binary)
so 0 is to be placed there and 1 is the carry
now add 0 + 0 + 1 = 1
so the answer is
100
so ur answer is 101010100
but if u have the size of 8 bits the last bit will be lost
and u will get 1010100
HTH
anil
 
bill bozeman
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For this I usually find it easier to convert them to decimal, then do the addition, and then convert them back to binary. So you are adding 170 + 170 = 340, then take 340 to binary and you get 101010100.
Bill
 
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