Graphics are compressed to enable more efficient storage and perhaps faster loading in some cases.
sound recorder
because it wants to ;)
Nothing. That IS how a sound wave is propagated.
Compressed and rarefied air.
Sound waves are compression waves because the molecules of air are compressed.
I'm assuming you mean which card is more necessary- and that would be a graphics card. Your computer has a decent sound card built into the motherboard but the on-board graphics are never enough for the better games. Unless you are a sound editor and/or a real sound snob you don't need a separate sound card.
its so simple all you do is go to online sound card and graphics card in windows vista.
[object Object]
multimedia
Text, numbers , graphics and sound.
brings compressed audio back to CD quality