Ideas for Computer Science related Microteaching [closed]

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This semester, I will be a TA for an introductory computer science course at my university. As part of TA training, I'll be doing something called Microteaching, which is where I teach for 5-7 minutes in front of a small audience (4-5 people) and I am reviewed on my teaching 开发者_运维问答style. Among being critiqued on my personal things like confidence and eye contact, I will be critiqued on how well I know the subject material, as well as how interesting it is to the audience.

So my question is: Can you offer me any suggestions of computer science related topics that:

• I can begin and finish teaching in a span of 5-7 minutes
• Are fun to learn about
• Are accessible to a general engineering (but not necessarily computer science) audience

Some topics I have considered:

• Teaching how to write Hello World in some simple language
• Introducing a synchronization problem like dining philosophers

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How about a simple graph algorithm like shortest paths? People will be interested because this is more or less how MapQuest, Google Maps, Garmin, and TomTom work. And if you draw a small map of your University campus you can do a quick example and there's your 5 minutes.

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5-7 minutes isn't a long time at all. A quick intro or overview of something interesting might be a good choice. You could:

• introduce a programming language paradigm like functional or logical with a demo of Prolog, Lisp, OCaml or Haskell.
• give an overview of how HTTP requests and responses work
• describe the basics of object-relational mapping

It would be good to have some resources to give them afterwards, so they can learn a lot more if they're interested.

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I am a TA, but in a different subject. I think Hello World is too boring, many students may already have some experience (the hacker type), and those are fun students. Maybe you could create some quick examples in Python, that will grab the attention, maybe something like simple graphics (fractals), simple networking (maybe send SMS to phone?). I think those can be done in a few minutes if you supply instructions.

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I'm trying to merge engineering types and basic computer science subject matter. To me this sounds like the sort of audience you want to present a simple application to not just theory.

Five minutes goes fast. My best advice is to practice the presentation a couple of times as a dry run and don't talk too far down to the audience.

How about: Introducing conditionals along with functions in some sort of regulation function. A quick example is a smart battery charger that needs to look at voltage to figure out how to charge Li-ion cells properly or declare them bad (think exploding laptop batteries)

How to log and watch current trends in something (gather data) and analyze it. Say a quick weather prediction example using data available from the United States National Weather Service or something along those lines.

Walk through implementing an algorithm to do some basic calculation functions useful to engineers. Perhaps a volume of water a tank can hold sort of thing.