[SOLVED] How are RAM(s) utilized in a computer?

[alfredjoejr]

Take, for example, a computer with 2 RAM(s) installed. Will both the RAM(s) work simultaneously or the 2nd RAM is used once the 1st is full ??

 

[USAFRet]

Take, for example, a computer with 2 RAM(s) installed. Will both the RAM(s) work simultaneously or the 2nd RAM is used once the 1st is full ??

Simultaneously.
The systems treats whatever RAM is installed as a single block.