ExamISpringSolution2011 - ORIE 3120 Student Name:_ Exam I...

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ORIE 3120 Student Name:________________________________ Exam I 1 Industrial Data and Systems Analysis, ORIE 3120 Exam I March 3, 2011 Closed Book / Closed Notes Scientific calculator permitted; using any device to access information you are expected to memorize is a violation of academic integrity. Point value of questions is proportional to the estimated time requirement. (1 point 1 minute.) Points possible: 90 Time allowed 120 minutes. Write your name on every page. (The exam paper will be unstapled and distributed for grading.) Answer all questions in the space provided. Use the back of the page if necessary but do not answer on a different page unless the exam proctor provides it. Make sure each additional page contains your name. Hand in a complete exam. Academic integrity is expected of all students of Cornell University, whether in the presence or absence of members of the faculty. Understanding this, I declare I shall not give, use, or receive unauthorized aid in this examination. Signature of Student:_______________Solution Key_________________________
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ORIE 3120 Student Name:________________________________ Exam I 2 1. Functional Modeling (15 minutes) Purchasing tickets online is a structured process. One vendor offers a five-step process described as follows, from the user’s perspective. The first step is to Select an event. In this step, the user controls selection of the State where event is held , the Company offering event , and the Date/time of event . The output of this step is the Selected event . The next step is to Select seats. Input to this event is the Selected event . The user controls the Seat selection making use of the convenient Seating display screen . Output of this step is the Selected event with seats which is input to the next step, Confirm tickets and prices. In this step, the user controls the process through Ticket confirmation or cancellation and by indicating whether the User wishes to add more tickets . This latter output (User wishes to add more tickets ) is also an output of this process step and serves as a feedback control to the first process step. Another possible output, however, is that the User wishes to complete the transaction and this information triggers (i.e. controls the start of) the next process step, Log-in or create new user . Since the user may repeat the Confirm tickets and prices process step multiple times, an input and output of this step is the current List of confirmed tickets , depicted as a loop from output to input. This List of confirmed tickets is also passed on as an input to the last process step, Purchase tickets. In the second-to-last process step, Log-in or create new user , the user provides the User log- in information . The output of this step is the User account , which information triggers the last step ( Purchase tickets) . In the last step, the user controls provision of the User credit card information and the output of the process, from the user’s perspective, is the Printed tickets or cancellation notice.
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This note was uploaded on 02/09/2012 for the course ORIE 3120 taught by Professor Jackson during the Spring '09 term at Cornell University (Engineering School).

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ExamISpringSolution2011 - ORIE 3120 Student Name:_ Exam I...

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