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2. 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 ...

3. SD card - Wikipedia

   en.wikipedia.org/wiki/SD_card

   The Secure Digital Ultra Capacity (SDUC) format supports cards up to 128 TB [ b ] and offers speeds up to 985 MB/s. In April 2024, Western Digital (SanDisk) revealed the world's first 4 TB SD card at NAB 2024, which will make use of the SDUC format. It is set to release in 2025.

4. Comparison of memory cards - Wikipedia

   en.wikipedia.org/wiki/Comparison_of_memory_cards

   XM (requires an eXternal electro-mechanical adapter) – Technically the same as EM, but such adapter usually consists of 2 parts: a pseudo-card with pin routing and physical enclosure size that perfectly match the target slot and a break-out box (a card reader) that holds a real card. Such adapter is the least comfortable to use.

5. CompactFlash - Wikipedia

   en.wikipedia.org/wiki/CompactFlash

   CompactFlash (CF) is a flash memory mass storage device used mainly in portable electronic devices. The format was specified and the devices were first manufactured by SanDisk in 1994. [ 3 ] CompactFlash became one of the most successful of the early memory card formats, surpassing Miniature Card and SmartMedia.

6. USB flash drive - Wikipedia

   en.wikipedia.org/wiki/USB_flash_drive

   Some manufacturers, aiming at a "best of both worlds" solution, have produced card readers that approach the size and form of USB flash drives (e.g., Kingston MobileLite, [69] SanDisk MobileMate [70]) These readers are limited to a specific subset of memory card formats (such as SD, microSD, or Memory Stick), and often completely enclose the ...

7. Work Smarter, Not Harder, With These 22 Amazon Big Deal Day ...

   www.aol.com/20-amazon-big-deal-days-092124955.html

   #3 This Seagate Portable 2tb External Hard Drive ... #10 Say Goodbye To Fumbling For Your Phone With This Car Phone Holder Mount ... #17 This SD Card Reader Lets You Skip The Laptop And Share Your ...

8. Contactless payment - Wikipedia

   en.wikipedia.org/wiki/Contactless_payment

   Contactless payment systems are credit cards and debit cards, key fobs, smart cards, or other devices, including smartphones and other mobile devices, that use radio-frequency identification (RFID) or near-field communication (NFC) for making secure payments. The embedded integrated circuit chip and antenna enable consumers to wave their card ...

9. Radio-frequency identification - Wikipedia

   en.wikipedia.org/wiki/Radio-frequency_identification

   Radio-frequency identification (RFID) uses electromagnetic fields to automatically identify and track tags attached to objects. An RFID system consists of a tiny radio transponder called a tag, a radio receiver, and a transmitter. When triggered by an electromagnetic interrogation pulse from a nearby RFID reader device, the tag transmits ...