Yes; all console games are protected by copyright for 95 years.
Playstation 3 do not use CDs for games but can play other CDs
Some of the first models of the PlayStation 3 but the later ones nope.
No, PSone can only play PSone games and CDs.
Yes and also Blu-Ray discs and CDs
it will read everything except ps2 games
NO PlayStation 3 games are distributed on Blu-ray Disc, which is read by means of a blue-violet laser with shorter wavelengths than the red laser used for DVDs (on which PlayStation 2 games are made). The PlayStation 2's optical drive only has a red laser, so it is only capable of reading DVDs and CDs. The PlayStation 3 has both blue-violet and red lasers, allowing it to read CDs, DVDs, and BDs.
No They are on Blue Ray Discs not DVDs and CDs
Copyright significantly predates the CD, but nearly all CDs are protected by copyright.
Yes.
yes
The Playstation does not play DVDs only CDs
PS2 uses DVDs they only look like Cds used by PlayStation and the Bluray discs used by PS3