Wikimedia
Wikipedia: Computer Network
Wikipedia offers the definition of the term, "Computer network," including the range, functional relationship, topologies, functions, and protocals.
TeachEngineering
Teach Engineering: Android Acceleration
Students prepare for the associated activity in which they investigate acceleration by collecting acceleration vs. time data using the accelerometer of a sliding Android device. Based on the experimental set-up for the activity, students...
Other
Webopedia: Joystick
Resource provides a simple definition of the term, "Joystick," including an illustration and hyperlinked terms.