High School

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Which one of the following flags is set to 1 when an arithmetic or logical operation generates a result with a carry or borrow?

1) Zero flag
2) Carry flag
3) Overflow flag
4) Sign flag

Answer :

Final answer:

The Carry flag is set to 1 when an arithmetic or logical operation generates a result with a carry or borrow, indicating that the operation's result exceeded the maximum value that can be represented in the given bit width.

Explanation:

The flag that is set to 1 when an arithmetic or logical operation generates a result with a carry or borrow is the Carry flag. This is a specific bit in the processor's status register used primarily to indicate that a carry or borrow has been generated in the most significant bit of the result, surpassing the fixed size of the register (usually 8, 16, 32, or 64 bits). The carry flag is crucial in operations such as addition, subtraction, and shifts, where the result exceeds the maximum value that can be represented in the given bit width of the operation. Other flags mentioned, like Zero flag, Overflow flag, and Sign flag, serve different purposes such as indicating when the result is zero, when there\u2019s an overflow in signed operations, and indicating the sign of the result of an operation, respectively.

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