In RAM memory, DDR stands for ?

A. Double sided RIMM
B. Double data rate
C. Digital data rate
D. Dynamic data rate

Explanation:

Double Data Rate Synchronous Dynamic Random-Access Memory (DDR SDRAM) is a double data rate (DDR) synchronous dynamic random-access memory (SDRAM) class of memory integrated circuits used in computers. … Thus, with a bus frequency of 100 MHz, DDR SDRAM gives a maximum transfer rate of 1600 MB/s.