Create and share a new lesson based on this one.

About TED-Ed Originals

TED-Ed Original lessons feature the words and ideas of educators brought to life by professional animators. Are you an educator or animator interested in creating a TED-Ed original? Nominate yourself here »

Meet The Creators

  • Educator Bettina Bair
  • Director Darcy Vorhees
  • Artist Marissa Hutchins
  • Animator Sarah Johnson, Stephen Brooks, Tom Beuerlein
  • Narrator Michelle Snow


Additional Resources for you to Explore
Read some simple overviews of Von Neumann Architecture.
Here's a comprehensive overview Von Neumann Architecture.
Want to know more about Interrupt Driven I/O?
Click here to know how BIOS works.
Click here to understand how computer memory works.
Always wondered what made the computer work? Click here to learn more about Motherboard / Hardware.
The border between our physical world and the digital information surrounding us has been getting thinner and thinner. Designer and engineer Jinha Lee wants to dissolve it altogether. As he demonstrates in this short, gasp-inducing talk, his ideas include a pen that penetrates into a screen to draw 3D models and a computer desktop prototype that lets you reach through the screen to manipulate digital objects. Watch the TED Talk.
Teded square logo
Lesson Creator
New York, NY
In Polled I/O, the CPU checks in with each peripheral device many times a second to see if it needs anything.
06/28/2013 • 
 39 Responses
 / 39 Updates