Outline SAD PhasesOOAD PhasesSAD vs. OOAD Key Differences Between Structured and Object-Oriented Analysis and. System software control, integrate and manage the different hardware components of Table – Differentiation between SSAD & OOAD. [5] [6]. Sr. No. Structured Vs. Object Oriented Analysis and Design SAD Vs. OOAD Use case diagrams, which show the interactions between a system and its environment.

Author: Sajin Voodookus
Country: Vietnam
Language: English (Spanish)
Genre: History
Published (Last): 17 August 2005
Pages: 253
PDF File Size: 17.97 Mb
ePub File Size: 5.93 Mb
ISBN: 684-2-39981-432-2
Downloads: 44878
Price: Free* [*Free Regsitration Required]
Uploader: Kajinn

DFD Context diagram shows the system boundaries, external entities that interact with the system, and major information flows between entities and the system. We think you have liked this presentation.

Prior to the rise of OOM, the dominant paradigm was procedural programming, which emphasized the use of discreet reusable code blocks that could stand on their own, take variables, perform a function on them, and return values. Chapter 8 Slide 1 System models September 29, The spiral model is intended for large, expensive and complicated projects.

It also refers to methods for the development of information systems together with automated tools that can be used in the software development process. It identifies the objects in problem domain, classifying them in terms of data and behavior. Need to define software objects and how sdad collaborate to fulfill the requirements. Share buttons are a little bit lower.

System Analysis and Design Object Oriented Approach

Here incremental testing comes into picture wherein the product is tested during various stages of its development. Download ppt “Structured Vs. Feedback Privacy Policy Feedback. Similar terms include software life cycle and software process. Object Oriented Analysis and Design. This model represents the user needs or user view of system. Many design differencf for describing object-oriented systems were developed in the late s.


An investigation of the problem rather than how a solution is defined. It performs well in situation where systems are undergoing continuous design, adaption, and maintenance.

There are several models for such processes, each describing approaches to a variety of tasks or activities that take place during the process. To make this website work, we log user data and share it with processors.

Auth with social network: Using betwedn approach keeps your system more maintainable and reusable, and is a common choice nowadays. Auth with social network: During OO analysis, there is an emphasis on finding and describing the objects or concepts in the problem domain.

Share buttons are a little bit lower. Chapter 14 Differnece 1 Object-oriented Design. They are nothing more than an action that an object can perform.

Structured Vs. Object Oriented Analysis and Design SAD Vs. OOAD – ppt video online download

The objective of UML is to provide a common vocabulary of object-oriented terms and diagramming techniques that is rich enough to model any systems development project from analysis through implementation. Auth with social network: To use this website, you must agree to our Privacy Policyincluding cookie policy. Data of an object is hidden from the rest of the system and available only through the services of the class.


The objects do not exist in isolation, they exist in relationship with other objects. They are information sent to objects to trigger methods. The objective of this phase is to design and refine the classes, attributes, methods, and structures that are identified during the analysis phase, user interface, and data access.

UML diagrams represent dynamic model include sequence diagram, communication diagram, state diagram, activity diagram. Feedback Privacy Policy Feedback. It allows improvement or modification of methods used by objects without affecting other parts of a system. Published by Kerrie Bond Modified over oad years ago. Polymorphism is the ability to take on many different forms.

They show what happens or what is supposed to happen when a system responds to a stimulus from its environment. This model of development combines the features of the prototyping model and the waterfall model. In the object-oriented approach, the focus is on capturing the structure and behavior of andd systems into small modules that combines both data and process. About project SlidePlayer Terms of Service. They are controlled by the data input to the system, with relatively little external event processing.

Difference between Structured Analysis and Object Oriented Analysis?

It indicates that two classes are similar but have some differences. State diagram of a microwave oven. The components within an assembly are represented as solid ooa surface models.