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Adding binary numbers
Add together the following three binary numbers and give your answer in binary.
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Marking points
- 1 The answer begins with the credited binary part 11010.
- 2 The answer ends with the credited binary part 101.
Full-mark answer
11010101
Why this answer loses marks
I added each binary column but ignored the carries.
Overflow from a binary column must carry into the next column or later parts of the sum will be wrong.