S/W Guys

HOW DO YOU DISTINGUISH A SOFTWARE-PRO FROM A NON-SOFTWARE GUY ???

A Non-Software guy thinks there are 1000 bytes in a kilobyte.
A Software-guy is convinced that there are 1024 meters in a kilometer.

Non-Software guy : Hey.. I've just become a member of Rotract Club.
Software-guy : public, private, friendly or protected ?

Non-Software guy : Hey.. My submarine isn't sinking in water!! What could be wrong?
Software-guy : may be u have used float instead of double in the software.

Non-Software guy : I am very very sure that the guy who just talked to me is a software engineer...
PM : how do you say that?
Non-Software guy : he asked my physical address instead of my home address!

Non-Software guy : Hey Bill, Can you do me a favor? Plz pass on these 10,000 dollars to John..?
Software-guy : Ohh.. Sure.. Why not? Should i pass by value or by reference?