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  2. E-commerce - Wikipedia

    en.wikipedia.org/wiki/E-commerce

    E-commerce (electronic commerce) is the activity of electronically buying or selling products on online services or over the Internet.E-commerce draws on technologies such as mobile commerce, electronic funds transfer, supply chain management, Internet marketing, online transaction processing, electronic data interchange (EDI), inventory management systems, and automated data collection systems.

  3. E-commerce credit card payment system - Wikipedia

    en.wikipedia.org/wiki/E-commerce_credit_card...

    E-commerce credit card payment system. Electronic commerce, commonly known as e-commerce or eCommerce, or e-business consists of the buying and selling of products or services over electronic systems such as the Internet and other computer networks. The amount of trade conducted electronically has grown extraordinarily with widespread Internet ...

  4. E-commerce payment system - Wikipedia

    en.wikipedia.org/wiki/E-commerce_payment_system

    An e-commerce payment system (or an electronic payment system) facilitates the acceptance of electronic payment for offline transfer, also known as a subcomponent of electronic data interchange (EDI), e-commerce payment systems have become increasingly popular due to the widespread use of the internet-based shopping and banking.

  5. Types of e-commerce - Wikipedia

    en.wikipedia.org/wiki/Types_of_e-commerce

    B2B e-commerce refers to the sale of goods or services between businesses via an online sales portal. While sometimes the buyer is the end user , often the buyer resells to the consumer. [3] This type of e-commerce typically applies to the relationship between producers and wholesalers; it may additionally remain applied to the relationship ...

  6. Online shopping - Wikipedia

    en.wikipedia.org/wiki/Online_shopping

    Online shopping is a form of electronic commerce which allows consumers to directly buy goods or services from a seller over the Internet using a web browser or a mobile app. Consumers find a product of interest by visiting the website of the retailer directly or by searching among alternative vendors using a shopping search engine, which ...

  7. Function model - Wikipedia

    en.wikipedia.org/wiki/Function_model

    The basic idea is to try to divide a system in such a way that each block of the block diagram can be described without an "and" or "or" in the description. This exercise forces each part of the system to have a pure function. When a system is composed of pure functions, they can be reused, or replaced.

  8. Entity–relationship model - Wikipedia

    en.wikipedia.org/wiki/Entity–relationship_model

    Entity–relationship model. An entity–attribute-relationship diagram for an MMORPG using Chen's notation. An entity–relationship model (or ER model) describes interrelated things of interest in a specific domain of knowledge. A basic ER model is composed of entity types (which classify the things of interest) and specifies relationships ...

  9. Secure Electronic Transaction - Wikipedia

    en.wikipedia.org/wiki/Secure_Electronic_Transaction

    Secure Electronic Transaction (SET) is a system for ensuring the security of financial transactions on the Internet. It was supported initially by Mastercard, Visa, Microsoft, Netscape, and others. With SET, a user is given an electronic wallet (digital certificate) and a transaction is conducted and verified using a combination of digital ...

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