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3 comments

1 Bob Dillon  Wed, Nov 14, 2012 11:17:32am

I prefer the Top Down approach myself. /

[Link: en.wikipedia.org...]

Top-down and bottom-up are both strategies of information processing and knowledge ordering, mostly involving software, but also other humanistic and scientific theories (see systemics). In practice, they can be seen as a style of thinking and teaching. In many cases top-down is used as a synonym of analysis or decomposition, and bottom-up of synthesis. Top down approach starts with the big picture. It breaks down from there into smaller segments.[1]

A top-down approach (also known as stepwise design) is essentially the breaking down of a system to gain insight into its compositional sub-systems. In a top-down approach an overview of the system is formulated, specifying but not detailing any first-level subsystems. Each subsystem is then refined in yet greater detail, sometimes in many additional subsystem levels, until the entire specification is reduced to base elements. A top-down model is often specified with the assistance of "black boxes", these make it easier to manipulate. However, black boxes may fail to elucidate elementary mechanisms or be detailed enough to realistically validate the model.

2 Cap'n Magic  Wed, Nov 14, 2012 11:33:53am

Get this: Israel tweeted its attack.

3 Rochi613  Wed, Nov 14, 2012 2:59:36pm

It's now almost one in the morning in Israel. The IDF is still attacking targets in Gaza. Rockets are still landing here, Beersheba's been the latest target. BTW, another Hamas leader, the Head of Southern Command in Rafiah,was also assassination by Israel. So for there is little damage and only light injuries in Israel. God is good.


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