Technically a Pi is a single chip computer but they’re called an SBC because they replaced stuff like a Motorola 68HC11.

You’ll have no end of problems and won’t know whether it’s a hardware or software problem.

Printers.

It doesn’t have dynamic typing FFS, variable are typed. You mean declarations.

You can’t have statically typed objects, because they are of indeterminate length.

Yes, that’s what its always done.

You can run Deepseek on a Raspberry Pi.