What does DDR stand for in memory technology?

In memory technology, DDR stands for Double Data Rate. This is a type of synchronous dynamic random-access memory (SDRAM) that allows for more data to be transferred during each clock cycle compared to earlier memory technologies. Specifically, DDR technology achieves this by transferring data on both the rising and falling edges of the clock signal, effectively doubling the amount of data that can be transmitted within the same timeframe.

This characteristic makes DDR memory faster and more efficient, significantly enhancing the performance of computer systems, especially those that require high-speed data processing like gaming and graphics applications.

The other terms referenced in the choices do not accurately capture the intended definition of DDR in the context of memory technology. Dynamic Data Rate, for example, may suggest a focus on how data is managed dynamically, but it doesn't reflect the operational principle of utilizing both edges of the clock cycle for data transfer. Similarly, Dual Data Recording and Direct Data Rate are not recognized terms in the context of memory, which solidifies Double Data Rate as the correct and widely accepted terminology.