2. Create a sequence diagram according to the following elevator control system functional requirements: -The elevator control system shall allow the passenger to call the elevator and to select the destination floor; - When the passenger pushes the external button (to call the elevator), or the internal button (to select the destination floor), the central control system switches the button light on - When the passenger calls the elevator or selects the destination floor, the central control system opens/closes the elevator door, - When the passenger calls the elevator or selects the destination floor, the central control system moves/stops the elevator to/at the passenger call floor or to/at the passenger destination floor. When the passenger leaves the elevator, the central control system switches the button light off.

2. Create a sequence diagram according to the following elevator control system functional requirements: -The elevator control system shall allow the passenger to call the elevator and to select the destination floor; - When the passenger pushes the external button (to call the elevator), or the internal button (to select the destination floor), the central control system switches the button light on - When the passenger calls the elevator or selects the destination floor, the central control system opens/closes the elevator door, - When the passenger calls the elevator or selects the destination floor, the central control system moves/stops the elevator to/at the passenger call floor or to/at the passenger destination floor. When the passenger leaves the elevator, the central control system switches the button light off.

Database System Concepts

7th Edition

ISBN:9780078022159

Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan

Publisher:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan

Chapter1: Introduction

Section: Chapter Questions

Problem 1PE

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