FACTOID # 2: Puerto Rico has roughly the same gross state product as Montana, Wyoming and North Dakota combined.
 
 Home   Encyclopedia   Statistics   States A-Z   Flags   Maps   FAQ   About 
   
 
WHAT'S NEW
 

SEARCH ALL

FACTS & STATISTICS    Advanced view

Search encyclopedia, statistics and forums:

 

 

(* = Graphable)

 

 


Encyclopedia > Card reader

A card reader is a device used for communication with a smart card or a flash memory card. Smart card used for health insurance in France. ... A 32 MB High Speed CompactFlash Type I card A memory card or flash memory card is a solid-state electronic flash memory data storage device used with digital cameras, handheld and laptop computers, telephones, music players, video game consoles, and other electronics. ...


Smart card readers

See also: Contact Smart Card and Contactless Smart Card.

Smart card used for health insurance in France. ... Smart card used for health insurance in France. ...

Memory card readers

A Kingston SD/MMC card reader, shown with a 24 mm US quarter coin for scale.
A Kingston SD/MMC card reader, shown with a 24 mm US quarter coin for scale.

A memory card reader is a device, typically having a USB interface, for accessing the data on a memory card such as a CompactFlash, secure digital or Multimedia Card. Most card readers also offer write capability, together with the card, this can function as a pen drive. Image File history File links Download high resolution version (1317x1204, 426 KB) Summary A Kingston SD/MMC card reader. ... Image File history File links Download high resolution version (1317x1204, 426 KB) Summary A Kingston SD/MMC card reader. ... The quarter is 1/4th of a United States dollar or 25 cents. ... Note: USB may also mean upper sideband in radio. ... A 32 MB High Speed CompactFlash Type I card A memory card or flash memory card is a solid-state electronic flash memory data storage device used with digital cameras, handheld and laptop computers, telephones, music players, video game consoles, and other electronics. ... A 64 MB CompactFlash Type I card A 32 MB High Speed CompactFlash Type I card CompactFlash (CF) was originally a type of data storage device, used in portable electronic devices. ... 16Mb SD Card Secure Digital, or SD, is a flash memory data storage device based on Toshibas earlier Multi Media Cards (MMC). ... A 32 MB Multimedia Card Multimedia Card A 128 MB RS-MMC card and an adapter The Multimedia Card (MMC) is a flash memory memory card standard. ... A USB keydrive, shown with a US quarter coin for scale. ...


Today card readers can be categorized into two by the type and quantity of the card slots: Single card reader (e.g. 1x SD-only), Multi card reader (e.g. 9-in-1) and Series card reader (e.g. 4x SD only).However, there are some kinds of memory cards with USB functions that do not need the card reader, such as the Intelligent Stick memory card, which can plug directly into a USB slot. A pqi Intelligent Stick Pro 170 memory card Intelligent Stick is a USB-based flash memory card which was developed by the pqi company in 2002. ...


Card readers are also used very commonly in shops, for example when you pay with a credit card or use a cash machine.


Historically, a card reader was a piece of electromechanical unit record equipment used to read decks of punched cards. Punched card readers were built in a variety of sizes, from small tabletop units to large, high capacity units. One of the fastest card readers ever built was the Control Data Corporation model 405 card reader. The 405 could read over 1000 cards per minute! In engineering, electromechanics combines electromagnetism and mechanics. ... Before the advent of electronic computers, data processing was performed using electromechanical devices called unit record equipment, electric accounting machines (EAM) or tabulating machines. ... The punch card (or Hollerith card) is a recording medium for holding information for use by automated data processing machines. ... Control Data Corporation, or CDC, was one of the pioneering supercomputer firms. ...


See Also


 
 

COMMENTARY     


Share your thoughts, questions and commentary here
Your name
Your comments

Want to know more?
Search encyclopedia, statistics and forums:

 


Press Releases |  Feeds | Contact
The Wikipedia article included on this page is licensed under the GFDL.
Images may be subject to relevant owners' copyright.
All other elements are (c) copyright NationMaster.com 2003-5. All Rights Reserved.
Usage implies agreement with terms, 1022, m