Linlan Chen

That is true, Dongjie, also I agree with you that ” in the most situation, computer interfaces with visual input and provide visual feedback to the users, the individual who has visual impairment could face a significant challenge when interacting with a computer. “

I like you post and more understanding about color blindness people’s situation.

You bring up really good view about that. For example, Hawking, Even after the loss of his speech, he was still able to communicate through a speech-generating device, initially through use of a hand-held switch, and eventually by using a single cheek muscle.

Usability and human-computer interaction (HCI) are becoming core aspects of the system development
process to improve and enhance system facilities and to satisfy users’ needs and necessities. HCI will assist designers, analysts and users to identify the system needs from text style, fonts, layout, graphics and color, while usability will c…[Read more]

I agree with you. To certify the solution is correct or not, there should be user acceptance testing and quality assurance in the end of software development life cycle.

Yes, Karabo, I agree with you. Database design is a collaborative team effort. it is more efficient for the team complete the design the database.

Thank you for sharing your opinion. everybody in the team has their own duty to make contribute.

Designing the database is the complex process, which not only build up the physical function but also need separate the different duty of data. Basically, I prefer that both of senior manager or stakeholders who understand the application requirements and design expert who understand good database design are important during creating database…[Read more]

Thank you Hanqing! I like your comment that CRUD means ‘Create, Read, Update or Delete’, and the CRUD Matrix identifies the Tables involved in any CRUD operation. 

Thank you Xinteng! I agree with you lack of integrated model may cause misunderstand and miscommunication because people did not understand the whole business process.

Yes, Mengqiao, Also, The CRUD Matrix is an excellent technique to identify the Tables in a Database which are used in any User interaction with a Web Site. 

Hello Yingyan, I agree with you that missing cross checking between the models may cause some mistakes inside models which result in business processing time wasting and increase the fund

Integrated model is a way to measure the flexibility and time frame of developing new products based on combination of all of the activities that go into such production rather than measuring each activity separately.A CRUD matrix is a table showing the Functions in an application containing SQL statement affecting parts of a database.It is very…[Read more]

You are so smart!

I agree with you Dongjie, people would have different understanding and idea base on their knowledge,

Thank you for sharing your view! I totally agree with your factors that should be consider when evaluation the models.

Yes, ZHIXIN, I agree with you talk with stakeholders to come up with initial, high-level steps which is useful way.

We probably has a different class diagram derived from the same narrative descriptions base on different people’s understand is different. It can’t be all of the transaction are correct because there would be something mistake of logic or others. but we can pay more attention on the core activities.