翻訳と辞書
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・ Memory address
・ Memory address register
・ Memory Almost Full
・ Memory Alpha
・ Memory and aging
・ Memory and decision-making
・ Memory and Destiny
・ Memory and Humanity
・ Memory and Identity
・ Memory and social interactions
・ Memory and trauma
・ Memory architecture
・ Memory augmentation
・ Memory B cell
・ Memory bandwidth
Memory bank
・ 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


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Memory bank : ウィキペディア英語版
Memory bank
A memory bank is a logical unit of storage in electronics, which is hardware dependent. In a computer the memory bank may be determined by the memory access controller along with physical organization of the hardware memory slots. In a typical synchronous dynamic random-access memory (SDRAM) or double data rate synchronous dynamic random-access memory (DDR SDRAM), a bank consists of multiple rows and columns of storage units and is usually spread out across several chips. In a single read or write operation, only one bank is accessed, therefore the number of bits in a column or a row, per bank and per chip, equals to the memory bus width in bits (single channel). The size of a bank is further determined by the number of bits in a column and a row, per chip, multiplied by the number of chips in a bank.
Some computers have several identical memory banks of RAM, and use bank switching to switch between them. Harvard architecture computers have (at least) 2 very different banks of memory, one for program storage and one for data storage.
==In caching==

A memory bank is a part of (cache) memory that is addressed consecutively in the total set of memory banks, i.e., when data item is stored in bank , data item is stored in bank . (Cache) memory is divided in banks to evade the effects of the bank cycle time (see above). When data is stored or retrieved consecutively each bank has enough time to recover before the next request for that bank arrives.〔(【引用サイトリンク】url=http://www.netlib.org/utk/papers/advanced-computers/glossary.html )
The number of memory modules needed to have the same number of data bits as the bus. A bank can consist of one or more memory modules.

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 bank」の詳細全文を読む



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