Which of the following is not one of the six logical units of a computer?

Monica is developing a software application that calculates an individual's body mass index for use in medical planning. She would like to include a control on the field where the physician enters an individual's weight to ensure that the weight falls within an expected range. What type of control should Monica use?

A. Fail open B. Fail secure C. Limit check D. Buffer bounds

Which level of management makes decisions using predetermined rules that have predictable outcomes?

A) operations B) middle C) strategic D) None are interested in detailed information.