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2. Memory card reader - Wikipedia

   en.wikipedia.org/wiki/Memory_card_reader

   Internal card readers are usually connected to internal USB 1.1 / 2.0 / 3.x ports The number of compatible memory cards varies from reader to reader and can include more than 20 different types. The number of different memory cards that a multi card reader can accept is expressed as x-in-1, with x being a figure of merit indicating the number ...

3. 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.

4. 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 ...

5. MultiMediaCard - Wikipedia

   en.wikipedia.org/wiki/MultiMediaCard

   The MiCard is a backward-compatible extension of the MMC standard with a theoretical maximum size of 2048 GB (2 terabytes) announced on 2 June 2007. The card is composed of two detachable parts, much like a microSD card with an SD adapter. The small memory card fits directly in a USB port and has MMC-compatible electrical contacts.

6. Punched card input/output - Wikipedia

   en.wikipedia.org/wiki/Punched_card_input/output

   An IBM 80-column punched card of the type most widely used in the 20th century IBM 1442 card reader/punch for 80 column cards. A computer punched card reader or just computer card reader is a computer input device used to read computer programs in either source or executable form and data from punched cards.

7. USB flash drive - Wikipedia

   en.wikipedia.org/wiki/USB_flash_drive

   USB 3.0 was slow to appear in laptops. Through 2010, the majority of laptop models still contained only USB 2.0. [22] In January 2013, tech company Kingston, released a flash drive with 1 TB of storage. [24] The first USB 3.1 type-C flash drives, with read/write speeds of around 530 MB/s, were announced in March 2015. [25]