A memory card reader is a device that can read flash memory cards and transfer their contents to a computer. Flash memory cards come in various types and formats, providing removable storage for digital equipment like camcorders, cameras, MP3 players and cell phones (sim card readers for cell phones). Some printers and personal computers have a built-in card reader. There are single memory card readers and multiple memory card readers. The former can only read a single memory card type, while the latter can read a variety of memory card formats. A multi card reader is used for communication with more than one type of flash memory card. Multi card readers do not have built-in memory capacity, but are able to accept multiple types and styles of memory cards.
Uses of Memory Card Readers:
Some memory card readers are extremely compact, barely larger than the memory cards they read. These plug directly into the USB port, about the size of a memory stick. Others are designed to be internally installed into a free bay on desktop computers, with an array of choices between these two models. One advantage of the external model is that it is portable, able to be used with multiple computers and/or laptops in the household. Many newer computers have a memory card reader built-in by default, including many laptops and notebooks. Printers and even some monitors also have a memory card reader built-in. If you have been thinking about replacing an aging desktop, laptop, printer or monitor, you might look into these options first.
Buying Memory Card Readers
When buying a memory card reader is sure it supports the type of card(s) required. This includes the card's capacity in addition to the format. Some models might not read flash memory cards larger than one gigabyte, for example. Bear in mind too that a more flexible memory card reader that supports additional formats might make the device a little more future proof in the event you acquire more digital devices later, or replace the ones you already own.
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