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OMIS2000- Chapter Notes

Token a physical device similar to an identification

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Unformatted text preview: 1990s as relatively simple software programs using keyword indexes • Search engine marketing OMIS 2000 Final Exam Gahtan 24 Today, major source of Internet advertising revenue via search engine marketing, using complex algorithms and page ranking techniques to locate results Search engine optimization – Process of improving the quality and volume of traffic to a website – • How RFID works? • Radio frequency identification – systems provide powerful technology for tracking the movement of goods throughout the supply chain. • Use tiny tags with embedded microchips containing data about an item and its location to transmit radio signals to RFID readers. Readers then pass the data over a network to a computer for processing. • Electronically programmed with info that uniquely identifies an item, its location, where and when it was made or its status during production. • Active RFIDs – tags are powered by an internal battery and typically enable data to be rewritten and modified. • Passive RFIDs- tags do not have their own power source and obtain their operating power from the radio frequency energy transmitted by the RFID reader. • 1) Microchip holds data including an identification number. The rest of the tag is an antenna that transmits data to a reader. • 2) When the antenna senses a tag, interrogates it and decodes the data sends the data to a host system • 3) Processes the data from the tag that has been transmitted by the reader • Helps Wal- Mart • Improve receiving and storing o...
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