What is RAM ?

What is RAM ? ram slot 2 not working RAM SLOT NOT WORKING ,GA-H81M-S 2ND RAM SLOT NOT WORKING PROBLEM rama 888 slot Looks like the second slot is broken Maybe there's just some dust in there

rama 888 slot Where is the second slot all the programs were showing me? Later It says the RAM is not user upgradable Then why on Earth are the

ram slot 2 not working Make sure that your motherboard's BIOS is up to date, along with any updates for your operating system Also, look at each RAM stick 2 identical rams in a pc, and the pc would crash more and more taking one out, no problems