What are the example of super computer?

Answer 1

Ok here goes The Collosuss computer that cracked the enigma code made by Thomas Flowers and used by Alan Turin to break the Code. Mainframes, The Kray 1 Super Computer IBM's watson. Babbages Difference engine 1 + 2 and his analytical engine. Servers , Super Computers and even Servers can be a kind of big computer you need 1 just to go on the met that's what a router does it communicates with a server in an office where you internet servie provider is(ISP)

Answer 2

The Titan supercomputer is the second fastest in the world, and based in the U.S.

http://en.wikipedia.org/wiki/Titan_(supercomputer)
use by big satellite

Answer 3

Cray-1 introduced in 1975.

For more current data see the TOP500 list.