Peanut butter and jelly sandwich. Get a loaf of bread, a butter knife, a jar of peanut butter and a jar of your favorite jelly. Place them on a table, unopened, and ask the class to instruct you how to make a PBJ. Follow their instructions literally, as a computer would, and much hilarity will ensue. Hopefully, it will help them understand the idea that computer don't "know" anything except what they are told.
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Posts may use any of the Perl Monks Approved HTML tags. Currently these include the following:
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<h5> <h6> <hr /> <i>
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Snippets of code should be wrapped in
<code> tags not
<pre> tags. In fact, <pre>
tags should generally be avoided. If they must
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taken to ensure that their contents do not
have long lines (<70 chars), in order to prevent
horizontal scrolling (and possible janitor
intervention).
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or How to display code and escape characters
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