Some students may have given more specific descriptions such as those found in the first column of the problem statement matrix. If client calls back, request can get duplicated and worked on by multiple technicians. This would also be a system-generated number. A numeric ClientID serves better. This was drawn in Microsoft Visio. Would lead to better customer satisfaction. Only techs should be able to enter new equipment to the system.
Students may combine some requirements; evaluate their thought processes in building the list. It is possible they might have identified different ones and have stated completely different values for each of the cells. A component anything from a stick of RAM to an entire turn-key system that is or has been installed in Equipment. The EquipmentComponent entity has ComponentNum as the primary key. The service request part of the system should be online. A component that has been checked into inventory A piece of information concerning software configuration for the Client and possibly for a piece of equipment.
A computer, printer, or other piece of technology equipment milesstone is in use. The following diagram illustrates one possible solution.
The proposed system could provide a customer history that would allow for better service. However, some users have very specific ideas or expectations of what software and technologies will be used. The service request part of the system should have adequate security.
Case Study CTTS – Milestone 02 Problem Analysis Solution_图文_百度文库
An Internet-based portion of the system will allow clients to submit service requests and consultants to enter work notes to provide a history for each client. Where do you stop? BarCode is the primary key for both EquipmentComponent and Inventory. Millestone EquipmentComponent entity has ComponentNum as the primary key. Some may provide general descriptions of problems while others may go to the extra effort of giving concrete examples.
Case study CTTS milestone 09 application architecture
The Data Flow Model template found in the Software category can produce one that is like the sample except that the square Interface symbol must be used instead of the Actor symbol.
Work done to resolve a SeviceRequest. If use barcode scanning, would have to make sure barcode was on every piece of equipment. The following tables contain the attributes identified from each form and the interview. The system must make it easy for technicians to update the component and configuration information. A classification of EquipmentComponent. The diagram below includes foreign keys, assuming implementation in a relational database.
Make sure students specify primary keys that uniquely identify the entities as well as use proper names for the keys. If you will be doing Milestone 5 as a separate assignment, you may want to withhold this solution. Each piece of Equipment is owned by a particular Client. Would you track accounts payable? An EquipNum is a number that could be generated by the system and stays unchanged forever. Prepared by Gary B.
Ctt piece of Equipment is made up of one or more EquipmentComponents that either have in the past or are now installed. If use barcode scanning, would have to change inventory check-in process. One approach could be the use of barcode scanning.
Techs should be able to mark a service request as resolved The system should be able to mark as service request as resolved kilestone nothing more is heard from the client after the passage of a set amount of time Classification Functional Functional Non-functional Non-functional Functional Non-functional Non-functional Non-functional Functional Functional Non-functional Functional Non-functional Functional Functional Prepared by Gary B.
This diagram was created in Microsoft Visio. The current system does not accurately milestnoe configuration information, leading to wasted time for technicians and clients. The service request part of the system should be online.
Case study CTTS milestone 09 application architecture – Tài liệu text
There is more than one right answer in systems analysis. Students may combine some requirements; evaluate their thought processes in building the list. Logon Multiple Values of Information i. Whether or not they identify the optional entities will depend on how they interpret the user requirements and on their experience level with database normalization.
The component and configuration parts of the system should not be online. The proposal has an opportunity to provide better service to users along with reduced costs and better information to both IT personnel and management.
A Client submits one or more ServiceRequests, which may related to a piece of Equipment.