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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 ...
Universal Flash Storage (UFS) is a flash storage specification for digital cameras, mobile phones and consumer electronic devices. [1][2] 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 ...
Anki (US: / ˈɑːŋki /, UK: / ˈæŋki /; Japanese: [aŋki]) is a free and open-source flashcard program. It uses techniques from cognitive science such as active recall testing and spaced repetition to aid the user in memorization. [ 4 ][ 5 ] The name comes from the Japanese word for "memorization" (暗記).
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. A computer card punch is a computer output device that punches holes in cards. Sometimes computer punch card readers were combined with computer card punches and ...
The older PC Cards came in 16-bit and the later 32-bit CardBus designs. The major benefit of the ExpressCard over the PC card is more bandwidth, due to the ExpressCard's direct connection to the system bus over a PCI Express ×1 lane and USB 2.0, while CardBus cards only interface with PCI.
Most standard size SD cards are 2.1 mm (0.083 inches) [58] thick, with microSD versions being 1.0 mm (0.039 inches) [58] thick, compared to 1.4 mm (0.055 inches) for MMCs. The SD specification defines a card called Thin SD with a thickness of 1.4 mm, [ citation needed ] but they occur only rarely, as the SDA went on to define even smaller form ...
512 MB. Slim and small (20 mm × 25 mm × 1.78 mm), electrically identical to SmartMedia, no wear-leveling controller, up to 512 MB [ 7 ] Type M. 2005. 2 GB. Slim and small (20 mm × 25 mm × 1.78 mm) but slower read/write, no wear-leveling controller, up to 2 GB [ 7 ] Type H.
The UNIVAC 418 (aka 1219), first shipped in 1962, was an 18-bit word core memory machine. Over the three different models, more than 392 systems were manufactured. The UNIVAC 490 was a 30-bit word core memory machine with 16K or 32K words; 4.8 microsecond cycle time. The UNIVAC 1232 was a military version of the 490.