Does the language used in pc games and ps4 Games are same or different.

Answer 1

at machine level, yes you will need different machine language for pc and ps4.

at high level, no. You can code in any language but with the appropriate compiler for that specific platform.

nowadays, at even higher level, the game engines take care of platform conversion. you just create your game on pc and port it to ps4 with only minor changes.

Answer 2

It depends on the platform but C++ and C# can be used for console and PC games. Certain middleman software engines can support other scripting languages too.