Suppose That a Program Asks a User to Enter Multiple

question 69

Multiple Choice

Suppose that a program asks a user to enter multiple integers, either positive or negative, to do some calculation. The data entry will stop when the user enters a certain value to indicate the end of the data. What value should the code use as the sentinel?

• A) 0
• B) -1
• C) 999
• D) An alphabetic character

---

Definitions:

Negative Exponential Distribution

A probability distribution used to model time between independent events that occur at a constant average rate.

Average Arrival Rate

The average rate at which entities (such as customers or products) arrive at a specific point or system over a defined period.

M/D/1

A notation in queue theory representing a system with a single server, where arrivals are Markovian (Poisson process), service times are deterministically fixed, and there is one server.

Constant Service Time

A condition in queuing theory where the time required to serve each customer is the same and does not vary.