Ethically sound means something that can be accepted morally in society.
RAM is a volatile Memory. But ROM is not volatile.
volatile will evaporate
DRAM is volatile.
volatile will evaporate
The Question you mean is What Does Ethically Sourced Mean! Ethically sourced is something that has been sourced from somewhere where there are allot of the same product around.
The answer given was both morally and ethically inappropriate.
Ethically sound means something that can be accepted morally in society.
Non-volatile
DRAM is a volatile memory
DRAM is a volatile memory
Volatile