Computer Science for IGCSE & O level - Data Representation (Section 3 - No. 18)
What is the purpose of the carry bit in binary addition?
To indicate an overflow
To store the result of 1+1
To represent negative numbers
To indicate an error
הֶסבֵּר
A carry bit indicates that the result of an addition operation is greater than the capacity of a single bit, and therefore an overflow has occurred.