Subject: Re: Learning objects and Software components
From: Albert Ip (albert@dls.au.com)
Date: Sun 20 Feb 2000 - 11:13:25 MET
From: "Albert Ip" <albert@dls.au.com> Subject: Re: Learning objects and Software components Date: Sun, 20 Feb 2000 21:13:25 +1100
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On Thu, 17 Feb 2000 10:24:02 -0800 Ken Kahn wrote:
>Albert Ip wrote:
>
>"Software component is also promoted for its scalability (or more
accurately
>Object Oriented Programming). As software becomes more complex, it is
>important to encapsulate functionalities in manageable units (components).
>Human mind just cannot handle information larger than a certain size."
>
>I am all for modularity, scalability, and object-oriented programming. But
>Learning Objects and Software Components are more than just objects - they
>are promoted as units of commerce and independent development. They are
>typically created independently of the team that composes them. When, say,
>Microsoft builds large applications they build and use lots of internal
>components (based on COM or whatever) but the whole thing has an
>architecture or overall design and component builders build their
components
>to fit that architecture. The analogous issue with Learning Objects is
>whether the creators of the components are working from a detailed spec
that
>is part of a grand plan or are building generic pieces hoping someone will
>buy them and compile them together with other learning objects.
>
>As Jim Schuyler wrote:
>
>"Concomitantly, it's important for any "authoring" organization which is
>going to adopt an object orientation to carefully consider what standards
>to use, and to adopt and "enforce" those standards so that objects can
>be reused. Object re-use will take place *within* their organizations,
>not *without*. "
I believe the drive for learning object is to extend object re-use beyond
"*within* their organizations" scenarios.
Albert
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