DDR

1. Short for Double Data Rate, DDR is a type of memory that utilizes both the rising and falling edge of the system clock that has the potential of doubling the speed of the memory. Today, the DDR technology can be found in high end Video Cards as well as computer memory such as DDR-SDRAM.
2. Short for Dial-on-Demand Routing, DDR was developed by Cisco and is a new routing technique that uses existing telephone lines to help form a WAN.
3. DDR is also short for Dance Dance Revolution. A popular arcade and console game where users must dance on a pad in conjunction with what is being displayed on the screen.

Also see: DDR2, Game definitions, Memory, Memory definitions, Networking definitions, RAM, SDRAM