component diagram

Hi I have some questions about component diagram :

1. How can I recognize components of a system?
2. How can I recognize interfaces of a component?
3. How can I know whether I should use Ports or not?

Thanks

Responding to E.G...

> Hi I have some questions about component diagram :
>
> 1. How can I recognize components of a system?
> 2. How can I recognize interfaces of a component?
> 3. How can I know whether I should use Ports or not?

The short answer is: by applying problem space abstraction.

A longer answer is: it is not the purpose of this forum to do your
school homework for you.



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