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Computer Science for IGCSE & O level - Data Representation (Section 1 - No. 12)

In the context of binary numbers, what is the significance of the 'carry' bit?
It indicates an overflow.
It represents the result of 1+1.
It extends the range of numbers.
It is used in arithmetic shifting.

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The carry bit results from addition when there is no room for the value to be represented.

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