The slimmer PlayStation 2 is exactly the same just cosmetically different than the "full" PlayStation 2.
They are different versions. Java 5 is newer than Java 2. Think of it like the difference between the Playstation 1 and the Playstation 3.
The major differences in the Playstation 3 consoles currently offered is the Hard drive size and whether the unit is a newer slim model. Older versions no longer sold did feature backwards compatibility for Playstation 2 games but this feature was removed soon after system launch.
They are just different versions of Oracle.
They are different colored versions of snake oil.
Do you mean TDI versions in different countries? If so, there are just different people that win TDI.
they release them as classic because they sell very well, like what the playstation did with the platinum selection.
The color.
Yes, you can battle between different versions of Pokemon.
Cards Against Humanity has several versions, each with different themes and content. The main difference between the versions is the set of cards included, which can vary in terms of humor, references, and themes. Players can choose the version that best suits their preferences and sense of humor.
Difference between QBASIC and GWBASIC?
I'm assuming you mean, what the difference between PlayStation, and the PSx abbreviation.. Sony released the PlayStation, then the PSone. Because the consoles were essentially the same, except for cosmetic issues, many people begin calling the original PlayStation the PSx, to compliment the PSone abbreviation. There is no real difference there, just a naming convention.
Yes The PS2 version of games is always different from the PS3 and Xbox 360 versions