From mboxrd@z Thu Jan 1 00:00:00 1970 X-Spam-Checker-Version: SpamAssassin 3.4.4 (2020-01-24) on polar.synack.me X-Spam-Level: * X-Spam-Status: No, score=1.1 required=5.0 tests=BAYES_20,INVALID_DATE autolearn=no autolearn_force=no version=3.4.4 Path: utzoo!utgpu!jarvis.csri.toronto.edu!mailrus!nrl-cmf!ames!pasteur!ucbvax!skvax2.csc.ti.com!petcher From: petcher@skvax2.csc.ti.com Newsgroups: comp.lang.ada Subject: Topdown design Message-ID: <8902281333.AA26629@ti.com> Date: 28 Feb 89 13:28:04 GMT Sender: daemon@ucbvax.BERKELEY.EDU Organization: The Internet List-Id: > Something that neither one of you guys addressed, and that I think is > crucial to the whole "Top-Down Design" issue, is reusability. > Top-down design implies leaves that are custom made for the program > at hand. Reusability implies molding the problem definition around > leaf (and maybe not-so-leaf) modules that are already available. > After all, for a hardware design, you wouldn't design your own ICs, > would you? Top-down design need not be incompatible with re-usability. The key is to do only the design in a top-down fasion, followed by bottom-up implementation. Malcolm Petcher