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I don't know about that. I just don't know where they draw the line of the most basic and the advance. But C is considered a high-level language, right? Low level ones are machine languages, correct me if I'm wrong though :)

C is regarded "low level" code (as in: close to the "metal", the hardware). ^^^ ;-) PHP for example is more high-level since it was built on top of C (the PHP interpreter, which is interpreting your PHP scripts).

Ahhh..
I see.
Thank you for a good reference. ^^ :)