How They Really Work
Osher Lifelong Learning
Institute
University of Illinois, Urbana-Champaign
Scott Badman, Instructor
Session 8: Peripherals
The Internet
November 4,
2013
This evening we will explore how peripherals are attached to a computer and how computers communicate over the Internet.
Core Concepts
The isolation of complexity
Maintaining compatibility whenever possible, especially backwards compatibility
The importance of standards and protocols to allow different components to work together
The components and data flow in a connection to a periferal
Most peripherals are special purpose computers, and the communication between them is essentially a computer to computer dialog.
The importance of protocols in electronic communication
The importance of the ISO/OSI Model in making the equipment that runs the Internet work together
The World's two electronic addressing systems: Phone numbers and TCP/IP addresses
Topics
Resources
Peripherals (pdf file) (Much faster download over the Internet)
The Internet (pdf file) (Much faster download over the Internet)
Typical Home Network (Power Point)
Typical Home Network (pdf file) (Much faster download over the Internet)