The disadvantage of the AS/400 is that it locks you into IBM and that they're fairly expensive for what they do. The AS/400 series is now known as System i. Source(s): My wife used to sell AS/400 at IBM. http://en.wikipedia.org/wiki/AS/400. Jan O Â· 8 years ago.here are a number of models and configurations available.. It is a database computer which has very good connectivity to other computers & equipment. Because of its good connectivity, it is also used as a server base by many ISP's. Many software suppliers provide business packages which run on the AS400.
The Celtic knot, which is sometimes referred to as the mystic or endless knot, is a symbol that represents the interconnection of all things and the continuous cycle of existence that is created from this connection. There are many versions of the Celtic knot, and each has its own meaning.
In Celtic Art, Celtic knots (also known as 'endless knots' or 'mystic knots') are series of overlappying or interwoven knots which have no clear start or end. They started to appear in Celtic Art in the second half of the 5th Century whereas Celtic spirals appeared much earlier, as early as 600 BC.eltic Knots look likes strips which wind, weave and loop their way around each other. It can be just one strand which crosses back and forth on itself. Other times it is a number of strips. True Celtic Knots do not have loose ends. Some Celtic animal symbols (called zoomorphs) show a similar type of weaving to a knot.