翻訳と辞書
Words near each other
・ Memory type range register
・ Memory unit
・ Memory virtualization
・ Memory work
・ Memory, Sorrow, and Thorn
・ Memory-disk synchronization
・ Memory Bank (UK game show)
・ Memory Banks (comic strip)
・ Memory barrier
・ Memory bound function
・ Memory box
・ Memory Boy
・ Memory Bridge
・ Memory buffer register
・ Memory bus
Memory card
・ Memory card compatibility chart
・ Memory card connector
・ Memory card reader
・ Memory cell
・ Memory cell (binary)
・ Memory cells (motor cortex)
・ Memory Chapel
・ Memory clinic
・ Memory coherence
・ Memory configurator
・ Memory conformity
・ Memory confusion protocol
・ Memory consolidation
・ Memory controller


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Memory card : ウィキペディア英語版
Memory card

A memory card or flash card is an electronic flash memory data storage device used for storing digital information. These are commonly used in portable electronic devices, such as digital cameras, mobile phones, laptop computers, tablets, MP3 players and video game consoles.
==History==
PC Cards (PCMCIA) were the first commercial memory card formats (type I cards) to come out , but are now mainly used in industrial applications and to connect I/O devices such as modems. Since 1994, a number of memory card formats smaller than the PC Card arrived, the first one was CompactFlash later SmartMedia and Miniature Card. The desire for smaller cards for cell-phones, PDAs, and compact digital cameras drove a trend that left the previous generation of "compact" cards looking big. In digital cameras SmartMedia and CompactFlash had been very successful. In 2001, SM alone captured 50% of the digital camera market and CF had captured the professional digital camera market. By 2005 however, SD/MMC had nearly taken over SmartMedia's spot, though not to the same level and with stiff competition coming from Memory Stick variants, as well as CompactFlash. In industrial and embedded fields, even the venerable PC card (PCMCIA) memory cards still manage to maintain a niche, while in mobile phones and PDAs, the memory card market was highly fragmented until 2010 when micro-SD came to dominate new high-end phones and tablet computers.
Since 2010, new products of Sony (previously only using Memory Stick) and Olympus (previously only using XD-Card) have been offered with an additional SD-Card slot. Effectively the format war has turned in SD-Card's favor.〔("Format-Krieg entschieden: SD-Card setzt sich durch" ) (''"format-war resolved: SD-card prevails"''), Chip-online, 14. January 2010〕〔("Camera trends come into focus for 2010" ), msnbc, 13. January.2010 ''"As much as the storage-format war cleared up a bit with Sony announcing that it would support SD and SDHC cards ..."''〕〔("FEATURE: Playing Your Cards Right at Retail" ), Peter K. Burian, 4. June 2010. ''"Some industry observers have suggested that this development signals an end to the 'format war,' ..."''〕

抄文引用元・出典: フリー百科事典『 ウィキペディア(Wikipedia)
ウィキペディアで「Memory card」の詳細全文を読む



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