L01 Addition of number system
Binary addition is much like your normal everyday addition (decimal addition), except that it carries on a value of 2 instead of a value of 10. For example: in decimal addition, if you add 8 + 2 you get ten, which you write as 10; in the sum this gives a digit 0 and a carry of 1.
add octal numbers just as you do number in any base. It’s simple:
Octcal digits range from 0 to 7.
Add two corresponding digits. If the total exceeds 7, then subtract 8 from the result and then “carry the 1.” That means, add 1 to the digit to the left.
in hexadecimal addition
Add the right-most digits of both numbers first. If the sum is greater than f, carry over the excess value to the next digits.
Then add these next digits including the carried-over value. If the sum also exceeds f, carry over the excess to the next digits and so on.
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