Question

32. What of the following integer operations cannot result in an integer overflow?
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Answer 1

Signed integers operations cannot result in an integer overflow.

What operations would result in integer overflow?

• In computer programming, an integer overflow occurs when an arithmetic operation attempts to create a numeric value that is outside of the range that can be represented with a given number of digits  either higher than the maximum or lower than the minimum representable value.

What causes an integer overflow?

• An integer overflow occurs when you attempt to store inside an integer variable a value that is larger than the maximum value the variable can hold.
• The C standard defines this situation as undefined behavior (meaning that anything might happen).

What type of error is integer overflow?

• An integer overflow is a type of an arithmetic overflow error when the result of an integer operation does not fit within the allocated memory space.
• Instead of an error in the program, it usually causes the result to be unexpected.

What is overflow in signed integer?

• "Signed integer overflow" means that you tried to store a value that's outside the range of values that the type can represent, and the result of that operation is undefined (in this particular case, your program halts with an error).

Hence, Overflow does not occur when working with signed integers.

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