software engineering

Library System Description:

Patrons can use library system to search library catalog in order to locate various resources - books, periodicals, audio and visual materials, or other items. Patrons may reserve or renew item, provide feedback, and manage their account.

Sequence Diagram for search function:

ATM Machine Description:

A customer can use ATM machine to check balance, deposit fund, withdraw cash and transfer funds. The ATM technician can maintain and repair the ATM machine.

Sequence Diagram for deposit function

An Order Management System:

A customer can send and receive one or more orders. He must provide his name and location. The order when received, it will be confirmed and then closed. The order has a date and a number. There are two types of orders: Special and Normal. Special order can be dispatched faster. Normal order is handled in different way once received.

Sequence Diagram for send order function:

Class Activity 2 - System Concepts and Modelling (Sequence Diagrams) \begin{tabular}{|l|l|} \hline \hline Library System Description: Patrons can use library system to search library catalog in order to locate various resources - books, periodicals, audio and visual materials, or other items. Patrons may reserve or renew item, provide feedback, and manage their account. & Sequence Diagram for "search" function: \\ \hline \end{tabular} \begin{tabular}{|l|l|} \hline An Order Management System: & Sequence Diagram for "send order" function: \\ A customer can send and receive \\ one or more orders. He must \\ provide his name and location. The \\ order when received, it will be \\ confirmed and then closed. The \\ order has a date and a number. \\ There are two types of orders: \\ Special and Normal. Special order can be dispatched faster. Normal order is handled in different way once received. \\ \hline \end{tabular}