DDR operates at a voltage of 2.5 V, compared to 3.3 V for SDR SDRAM. The different pin configuration for DDR RAM Modules: 172-pin MicroDIMM, used for DDR SDRAM 184-pin DIMM, used for DDR SDRAM 200-pin SO-DIMM, used for DDR SDRAM and DDR2 SDRAM 204-pin SO-DIMM, used for DDR3 SDRAM 214-pin MicroDIMM, used for DDR2 SDRAM
How and why did the design of castles change between 1066 and 1666?   At first they would have had a Motte And Bailey Castle they then changed it to a square keep becuase the wood would rot easily, it could be burnt down to the ground wit â¦ hin minutes and it wuold be easier to attack.
a castle served as fortress a residence for nobility and as a means of preserving the rigid social hierarchy of the middle ages castles in medieval times build a medieval castle make your own coat of arms large stone castles were built in europe from about the 1100 s to about the 1500 sastles in medieval times large stone castles were built in europe from about the 1100 s to about the 1500 s these huge buildings served not only to defend the country from foreign invaders but as the basic tool in preserving the king s and the nobles power over the land