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2. Radio-frequency identification - Wikipedia

   en.wikipedia.org/wiki/Radio-frequency_identification

   When triggered by an electromagnetic interrogation pulse from a nearby RFID reader device, the tag transmits digital data, usually an identifying inventory number, back to the reader. This number can be used to track inventory goods. Passive tags are powered by energy from the RFID reader's interrogating radio waves. Active tags are powered by ...

3. Access badge - Wikipedia

   en.wikipedia.org/wiki/Access_badge

   An access badge is a credential used to gain entry to an area having automated access control entry points. Entry points may be doors, turnstiles, parking gates or other barriers. Access badges use various technologies to identify the holder of the badge to an access control system. The most common technologies are magnetic stripe, proximity ...

4. Reader service card - Wikipedia

   en.wikipedia.org/wiki/Reader_service_card

   A reader service card or bingo card is a reply card inserted in a magazine to be used by readers to request free product samples and hard copy marketing literature from businesses who advertised in that particular magazine issue. [1] [2] The alternative name "bingo card" comes from the fact these cards include a pre-filled grid of sequential ...

5. Universal Flash Storage - Wikipedia

   en.wikipedia.org/wiki/Universal_Flash_Storage

   It was designed to bring higher data transfer speed and increased reliability to flash memory storage, while reducing market confusion and removing the need for different adapters for different types of cards. The standard encompasses both packages permanently attached (embedded) within a device (eUFS), and removable UFS memory cards.

6. Visiting card - Wikipedia

   en.wikipedia.org/wiki/Visiting_card

   Visiting card. A visiting card, also called a calling card, was a small, decorative card that was carried by individuals to present themselves to others. It was a common practice in the 18th and 19th century, particularly among the upper classes, to leave a visiting card when calling on someone (which means to visit their house or workplace).

7. Card reader - Wikipedia

   en.wikipedia.org/wiki/Card_reader

   A card reader is a data input device that reads data from a card-shaped storage medium and provides the data to a computer. Card readers can acquire data from a card via a number of methods, including: optical scanning of printed text or barcodes or holes on punched cards, electrical signals from connections made or interrupted by a card's punched holes or embedded circuitry, or electronic ...