1. COMS W1004 Introduction to Computer Science June 11, 2008

2. Announcements Homework #3 due at the beginning of class next Wednesday –Submit a paper copy of the Theory part –Electronic submission of Programming part –Also, paper copy of Programming part Changes to syllabus next week & due date for Homework #4

3. Last Wednesday von Neumann Architecture Review of binary numbers and Boolean logic Encoding Transistors, gates, and circuits Reading: S&G 4

4. Today More von Neumann Architecture Memory & Cache Control Unit Machine Language & Assembly Language Operating Systems Reading: S&G 5-6

5. Apple 1984 ad: http://youtube.com/watch?v=OYecfV3ubP8 http://youtube.com/watch?v=OYecfV3ubP8 Steve Jobs introduces the Mac: http://youtube.com/watch?v=G0FtgZNOD44 http://youtube.com/watch?v=G0FtgZNOD44 Cool screenshots of old operating systems: http://www.digibarn.com/collections/screenshots/index.html