As shown in the accompanying figure, a closed envelope icon appears for an unread message.

Which statement is true?

a. Dividing two integers results in an integer answer. b. With integer division, any fractional part of the calculation is lost. c. With integer division of float values, the numerator and denominator are rounded before the calculation. d. All of the above.

________ is not generally considered one of the most important objectives in scheduler design.

a) Avoiding indefinite postponement b) Minimizing overhead c) Enforcing priorities d) Maximizing throughput