Materials

You can use the L20 slides (pdf) to take notes.

L20 annotated slides (pdf) from lecture have my drawings.

Please see piazza@439 for a link to the recorded video.

Summary

• Understand how a computer boots
• Early consumer computers had a single memory space; understand the security limitations of this architecture
• As a mitigation, modern computer architecture provides isolation. Understand the two main hardware mechanisms used to enforce isolation.
• Begin to understand how computer programs are executed, this will feed into how programs can be exploited when they have errors.