Education.com
Education.com: Morse Code Messaging
[Free Registration/Login Required] One of the most important code systems invented is the internationally-recognized Morse code, which matches dots and dashes to letters of the alphabet. This revolutionized communication by sending...
Other
Biology Online: Human Physiology: Sensory Systems
Study the many parts of the human body that make up the sensory systems. Be able to identify receptors, primary sensory coding, neural pathways and more with this biology resource.
Math Is Fun
Math Is Fun: Binary Number System
Learn all about the binary number system and how to count in binary. Includes a set of practice questions.
The History Cat
The History Cat: Cracking the Mayan Code
Discusses the Maya system of hieroglyphic writing. It was viewed by Spanish invaders as the work of the devil and most of the written materials were destroyed under the orders of a Spanish priest whose goal was to convert the Mayans to...
Code.org
Code.org: Cs Fundamentals: Input and Output
Students consider a number of computing devices to determine what types of inputs and outputs they use.
University of North Carolina
University of North Carolina: Pixel Flow Code Cracking
This article reveals some techniques and vulnerabilities in Unix-based computer networks.
Harvard University
Harvard University: Berkman Center for Internet and Society
This center is a research program founded to explore cyberspace by investigating the real and possible boundaries in cyberspace between open and closed systems of code, commerce, governance, and education, and the relationship of law to...
History of Computing Science
History of Computing Science: Binary Representation
The binary number system is a perfect fit for the dual-state technologies used in digital computing devices. This lecture series presents a brief description of how the two fit together.
Siteseen
Siteseen: American Historama: Racial Segregation History in the United States
This article contains numerous facts about black segregation history in the United States from the Civil War through the end of the Civil Rights Movement.
TeachEngineering
Teach Engineering: Simulating the Bug
Students modify a provided App Inventor code to design their own diseases. This serves as the evolution step in the software/systems design process. The activity is essentially a mini design cycle in which students are challenged to...
World History Encyclopedia
World History Encyclopedia: Solon
Read about the life of Solon, one of the founders of Athenian democracy. Among the challenges he tackled were a serious debt problem among the less affluent, restructuring the social system, and developing a new law code.
Travel Document Systems
Tds: Mauritius: History
Read the interesting history of Mauritius from its colonization by the Dutch in the 17th century to its independence in 1968. Information is from the U.S. State Dept. Background Notes.