20110225



=Truth Tables= Four switches mean 16 distinct input combinations. Can you anticipate the results of all 16? This graphic organizer may help.

=PI4: Colored Light and Filters= The link on the right gives you the first stage of the PI4 assignment, which we will do in class today.

=Purple is not Violet, and Yellow is Weird= Review of the Barney-inspired lesson.... Without any singing.....

=Light Boxes= Let's see if the simulation got it right!

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