Tuesday, March 18, 2014

Open source

PowerPoint presentation

Skills: none
IT concepts: open source, copyright, license, the impact of open source software and content

Tuesday, November 12, 2013

Demonstration: transparency and layers

I use this module to demonstrate transparency and layers.

I combine the five input images to create three compound images.

It also introduces the magic wand tool for selecting irregular regions of an image.

PowerPoint presentation

Skills:  selecting irregular shapes using the Magic Wand tool, work with layered images, create images with transparent regions
Concepts:  Image layers, transparency

Tuesday, October 1, 2013

Google hangouts

PowerPoint presentation

Skills: use Google hangouts
Concepts: hangout use cases, processing and communication speed requirements


Monday, September 30, 2013

Communication link speed

Powerpoint presentation

Skills: none
Concepts: unit of measure, rate, amount of data, communication speed, asymmetrical link, ping time


Tuesday, September 24, 2013

Communities of common interest

PowerPoint presentation

Skills: Use Google Plus communities
Concepts: Computer mediated communities of common interest


Tuesday, September 10, 2013

Using Google Drive/Docs

PowerPoint presentation

Skills: use Google Drive/Docs
Concepts: we download and run programs inside our Web clients, wire-frame diagram, user interface, collaboration


Thursday, August 22, 2013

How does an online survey work?

PowerPoint presentation

Skills: none
Concepts: client, server, service, upload, download, client-server application, Internet, hardware, software


Wednesday, March 6, 2013

Current event: Petitioning the Whitehouse

The people petitioned the Whitehouse to make unlocking cell phones legal and the Whitehouse responded rapidly. This can be used for a discussion of the political implications of the Internet or, more generally, of the wisdom of the crowd. It can also be used as an example of a politician using a new medium in new ways or, more generally, of using new media in new ways.

PowerPoint presentation (2 slides plus meta data and links to resources)

Thursday, February 28, 2013

Single slide lesson: Pixel is geek for "dot"

This annotated slide uses an excerpt from a Google video to introduce the concepts of a pixel, display resolution and the RGB color model.

Annotated slide