System design and detailed design in software engineering

Properly document data dictionary. Procedures are the rules, standards or methods designed to increase the effectiveness of the information system.

The procedures detail about the tasks to be performed in using the system. They serve as the ready recovers for the designers as well as for the users.

Sometimes they perform the task of a supervisor over operators. There are a wide variety of procedures, which include:. Data entry procedures. Run time procedures. Error handling procedures. Security and back up procedures. Software documenting procedures. In designing procedures, designers should:. Understand the purpose and quality standards of each procedures Develop a step-by-step direction for each procedure, and Document all the procedures. Detailed design starts with the performance specifications given by the conceptual design and ends with a set of design specifications for the construction of MIS.

The outputs from the detailed design, i. Therefore, the system analyst should very carefully document the detailed design.

It is created by solution architect. It is created first means before Low Level Design. It describes detailed description of each and every module means it includes actual logic for every system component and it goes deep into each modules specification. It is created by designers and developers.

It converts the High Level Solution into Detailed solution. It is created second means after High Level Design. High Level Design is the general system design means it refers to the overall system design. It describes detailed description of each and every module.

High Level Design expresses the brief functionality of each module. The beauty and advantage of this are to build fault-tolerant systems using fault intolerant parts. These are used to overcome these problems and reduce the efforts of the user.

This means writing code that simply is understood and upgraded by someone who is not the original author of the code. Good Code should have clean APIs and interfaces to construct new functionalities every time. The system analysis and design benefit business whether used for specific projects or across the full scope of business operations worldwide. Today, more and more businesses must find ways to compete globally.

System analysis and design are important in situations where the involvement of a large information system is needed. Thus, the scope is very much bright and in demand. Well, it is a powerful technique and can be learned by anyone who is keen to study product development and data management.

From a beginner to an experienced anyone can learn this technology. By learning this, the user not only learns the tools and techniques of designing interfaces and modules for companies and businesses.

But also, he acquires the skills that will help him in boosting his career and future opportunities. This technology helps a business identify both opportunities and problems by analyzing the strengths and weaknesses of the company. The business of business is to make money and profit. The advantage of using this is to improve business quality with increased profits. It is a necessary requirement in any industry and company.

Asked 11 years, 2 months ago. Active 8 years, 10 months ago. Viewed 57k times. Im really not getting the idea: What is Detailed Design. Why use Detailed Design. Any alternative methods other than using Detailed Design. Improve this question. Mafahir Fairoze Mafahir Fairoze 2 2 gold badges 4 4 silver badges 6 6 bronze badges.

Please elaborate: UI design or general software architecture design? Or anything else? Architectural design — Mafahir Fairoze. Add a comment. Active Oldest Votes. Improve this answer. Berin Loritsch Berin Loritsch IMO you mix a bit two concepts: top-down or down-top design mean how you imagine your software, from the global concept or from specific low-level use cases e. I have to create a MSWord, so it shall allows the user to write and save the text.

I have to create a software which allows the user to write and save the text, so I will create an MSWord. Is it accurate to describe user stories and use cases as the came construct?