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Re: "sometime ago my friend asked me what's the difference..."
his follow up question was "then why don't we do this on RAM only?"
my answer:
because RAM is expensive and volatile you can't have persistent data on RAM.
he was very impressed by the answer :)
Sep 12 · 3 months ago
I usually start off with the read only part
sometime ago my friend asked me what's the difference between RAM and ROM — obviouslly he isn't much techie and don't know how computer works so he asked me to test if I could expalin to a non techie about this stuff. and here is the answer I gave him: RAM and ROM both are memory however the big difference is that read/write on RAM is faster than ROM so the software got loaded from ROM to RAM so we could have faster read write.