Khan Academy
Khan Academy: Computational Number Theory: Running Time
What is a computer? How should we define the time needed to execute an algorithm?
Khan Academy
Khan Academy: Hardware and Software
Engineering manager Erica Gomez, program manager Jerome Holman, and Microsoft founder Bill Gates explain how a computer's hardware and software work together.
Khan Academy
Khan Academy: Circuits & Logic
Adafruit founder Limor Fried and virtual reality designer Nat Brown show how simple logical circuits underly everything your computer does.
Khan Academy
Khan Academy: Cpu, Memory, Input & Output
Smart fabric designer Madison Maxey and founder and maker Danielle Applestone explain the different components that allow computers to input, store, process, and output information.
Khan Academy
Khan Academy: Html Validation
Learn how to validate your webpages with the W3C validator service.
How Stuff Works
How Stuff Works: Computer Tour
A video [3:24] from HowStuffWorks that shows you the inside of a computer and explains how these parts work together.