Yes, you can win money playing online penny slots. You have the potential to win multiple times your spin stake and can usually play from as little as $0.01 per spin. This, however, will mean you're playing only one pay line.
This slot information means that your device supports 2 slots to install RAM and you are using only 1 of them, it supports 1 more slot to install RAM, but more information is needed to be sure that this slot is available on your device.