Not without emulation.
No, but PS1 games work with PS2.
NO ps2 games don't work in Ps1 only Ps1 games works on Ps2
Yes, Gaikai allows gamers to play PS1, PS2, and PS3 Games on PS4.
games for a PS1 will work on a PS2 but will not be any better quality, and games for a PS2 will not work on a PS1 Yes. They can. But the graphics may not be as good on a PS2 as a PS1.
no
no
Yes, they do. Just as ps1 works on ps2 and ps3. ps2 works on ps3. they all will probably work on ps4 whenever that happens to come out.
yes it will but only to play ps1 games
no you have to have a modded ps1/2/3
no. because the graphics on the ps2 games are more advanced than the ps1 so the game wont work optimally
PC games , ps1 games , ps2 games