DRAM

Definition:

DRAM stands for dynamic random access memory. The dynamic nature of DRAM means it needs to be refreshed periodically. This is in contrast to SRAM or static memory which does not need to be refreshed periodically. DRAM is considered to have an advantage over SRAM in that it requires fewer transistors than its SRAM counterpart.

Here's a word you may not know...

download

Usually used in reference to the Internet, to download something from the Internet means to transfer it from the Internet to your computer. If you install a piece of software from an Internet site, you are downloading the software to your computer.