No, sorry. There are physical objects mentioned in system 2, but note that the `system' as a whole (as opposed to specific objects) performs all the activities. Note that the description focuses on the functions to be performed (not what does them) and it repeatedly decomposes the functions to be performed into more detailed functions to be performed.

You may go back to the question

You may also:

NEXT     Skip to the next section.

OUTLINE  Go up to the outline of lesson 7

David A. Wheeler (dwheeler@dwheeler.com)

The master copy of this file is at "http://www.adahome.com/Tutorials/Lovelace/s7s1r2.htm".