Couple of lame ones
You'll probably hate these, but here goes ..
#1: What is the difference between a psychotic and a neurotic?
A psychotic thinks that 2+2=5.
A neurotic knows that 2+2=4, but it worries him.
#2: What is the difference between data and information?
362436 is data,
36 24 36 is information!
#3: There are 10 types of people:
Those who understand binary, and those who don't.
I bet c0n73mp7u0u5 would appreciate these.