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Buy and sell FINAL

Buy and sell FINAL
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  INDEX 1. Introduction    Introduction of the project    Problem definition    Objective of Project    Scope of Project 2. Literature Survey    Existing System    Proposed System    Use Cases 3. Analysis    Feasibility Analysis    Cost Benefit Analysis    Flowchart/ DFD/ER/UML diagram(any other project diagram 4. Methodology    Tools used    Procedure 5. System Specification    Software specification    Hardware specification 6. Design and Development    Module design and organization    Data Design    User interface design 7. Testing & Validation 8. Conclusion & Future enhancement   9. Reference 10. Bibliography  1. INTRODUCTION 1.1 Introduction of the Project Online buying and selling is the process of buying goods and services from Merchants or Customers who sell on the Internet and people can purchase just about anything from companies that provide their products online. Online buying and selling is a form of Electronic Commerce. E-commerce or Electronic commerce, is a subset of E-Business, is the  purchasing, selling, and exchanging of goods and services over computer through which transactions or terms of sale are performed electronically. 1.2 Problem Definition In the current system all work are done manually.    Wastage of time to find out how many order are placed.    In manual system generating reports for particular types of data based on some condition is time consuming task.    Searching facility is not provided in a System.    Time & Money is not save in a System.  1.3 Objective of the Project The purpose of this document is a definition of general requirements of Online Buy and Sell system. Here are presented functional and nonfunctional requirements. In Overall Description  part here are described the several activities models with state and activity diagrams. The last  part describes non-functional requirements of the Online Buy and Sell system. Online shopping tries to enhance access to care and improve the continuity and efficiency of services. Depending on the specific setting and locally, case managers are responsible for a variety of tasks, ranging from linking clients to services to actually providing intensive shopping and delivery services themselves. 1.4 Scope of the Project This system allows the customer’s to maintain their cart for add or remove the product over the internet. Purchasing and selling products and services over the internet without the need of going physically to the market is what online shopping all about. Online shopping is just like a retail store shopping that we do by going to the market, but it is done through the internet. Shopping cart is one of the important facility provided in online buying and selling, this lets customer to browse different goods and services and once they select an item to  purchase they can place the item in shopping cart, and continue browsing till the final selection. Customers can even remove the items from shopping cart that were selected earlier  before they place the final order.  2. LITERATURE SURVEY 2.1 Existing System Many customers go for purchasing offline so as to examine the product and hold the  possession of the product just after the payment for the product. In this contemporary world customer’s loyalty depends upon the consistent ability to deliver quality, value  and satisfaction. Offline shopping has a sense of immediacy. You get to possess the item you've  purchased the very moment. If we can search and make a list of items that we would like to try while shopping, before actually going out. This way we can be more confident in our  purchase and not missing out something. This can also help us to decide what areas to visit. And plan such an event with friends. Limitation of Existing System    Time Consuming    Shipping Rates    Refunds/Returns Disputes    Lack of options    Cash-Back offers not present    Bad customer service Also there are expenses for traveling from house to shop. More over the shop from where we would like to buy something may not be open 24*7. In order to overcome these, we have e-commerce solution, i.e. one place where we can get all required goods/products online.  2.1 Purposed System To remove all the disadvantages of conventional methods, a system is proposed which is an online buy and sells system. The purpose of online buy and sell system is to save time, save money. Through online buy and sell system one can save his valuable time. One can watch and select things he wants to buy. Through online buy and sell system we can save our money because prices are less than market prices and we receive our bought things at our home. No need to go anywhere and do shopping. We can get different varieties of things online and we can choose which one we want through online buy and sell system, a person who wants to buy is a lifestyle e-commerce web application, which retails various fashion and lifestyle products. This project allows viewing various products available enables registered users to purchase desired products instantly using PayPal payment processor (Instant Pay) and also can place order by using Cash on Delivery (Pay Later) option. This  project provides an easy access to Administrators and Managers to view orders placed using Pay Later and Instant Pay options. In order to develop an e-commerce website, a numbers of Technologies must be studied and understood. Merits of Purpose System    Convenience: This is one of the main reasons that online shopping has become so  popular, as it allows you to switch stores and products by clicking a button rather than traveling to a new store.    Selection:  Of course, a large selection means that your decision making process may  be a bit more difficult, but it also makes it more likely that you will find a high quality  product that truly pleases you.    Immediacy:  When you purchase a new product, whether for yourself or for another  person, it is always nice to have that product in your possession immediately.    Quality:  Needless to say, the quality of a product is also very important. And, while most online shopping offers you the ability to return faulty or imperfect products.    Saving Money:  Another very important aspect of any shopping experience is trying to save as much money as possible. One reason that people enjoy online shopping is that you can often find a product more cheaply online than you can in stores.    Discounts and Offer:  Yes online shopping is better than offline because we can shop at any of our favorite shop and can get the delivery on same day itself.  2.3 Use Case The Use case diagram is used to identify the primary elements and processes that form the system. The primary elements are termed as "actors" and the processes are called "use cases." The Use case diagram shows which actors interact with each use case.   Elements of a Use Case Diagram Actors:  An actor portrays any entity (or entities) that perform certain roles in a given system. The different roles the actor represents are the actual business roles of users in a given system. An actor in a use case diagram interacts with a use case. an actor in a use case diagram Use case:  A use case in a use case diagram is a visual representation of a distinct business functionality in a system. The key term here is "distinct business functionality." To choose a  business process as a likely candidate for modeling as a use case, you need to ensure that the  business process is discrete in nature use cases in a use case diagram  
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