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RAM, Memory and Upgrading |
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| Mon, April 19 2004 | 10:23PM | PermaLink |
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RAM fulfills this need, specifically DRAM (Dynamic RAM), the template for all modern memory types.
DRAM consists of semiconductor chips arranged on a small circuit board, each containing a logical arrangement of cells laid out in rows and columns. These cells use a combination of a capacitor and a transistor to achieve one of two states, filled with electrons (1) or empty (0), thus allowing binary (digital) information to be stored.
The dynamic aspect of this type of memory is that it needs to be constantly refreshed with an electric charge to keep its information stored. When the computer is turned off, all data in the DRAM is lost. In all modern desktop computers, DRAM can be added directly to the motherboard in the form of memory modules, a circuit board with mounted memory DRAM chips.
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