Arizona State University (ASU) CSE100 Principles of Programming with C++ Midterm 1 Practice Exam

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In C++, what is the result of integer division when both operands are integers?

The result is always a double.

The decimal part is truncated.

In C++, when both operands of a division operation are integers, the result of the division is an integer. This means that the decimal portion of the result is discarded or truncated, leading to the loss of any fractional component. For example, if you divide 5 by 2, the result will be 2, not 2.5, because the decimal part (0.5) is removed.

This behavior is due to how integer division is defined in C++: it performs the division as a whole number operation, yielding only the quotient without any remainder. If you were to perform a division that uses at least one floating-point number (like a float or double), the result would then be a floating-point number, including any decimal places. However, with pure integer division, only the whole number part of the quotient is retained, confirming that the decimal part is indeed truncated.

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The result is always zero.

The result includes the remainder.

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