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Double Data Rate SDRAM
Double Data Rate SDRAM, or DDR
SDRAM, is the second major competing technology
that will replace SDRAM in the near future.
As its name implies, DDR SDRAM doubles the bandwidth
of the system memory by allowing data transfers
on the rising and falling edges of a clock
cycle. This is very similar to the clock doubling
used in the AGP technology. Unlike its closest competitor,
Direct Rambus DRAM, DDR SDRAM is available
without the burden of licensing fees to the motherboard
manufacturers. DDR SDRAM uses a 184-pin
module that will require users to upgrade their motherboards.
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CertiGuide to A+ (Core Hardware) (http://www.CertiGuide.com/aplush/) on CertiGuide.com
Version 1.0 - Version Date: December 6, 2004
Adapted with permission from a work created by Tcat Houser.
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