1. COMS W1004 Introduction to Computer Science June 17, 2009

2. Last Time Arrays –Big Java 7.1-7.7 Exceptions Reading and writing text files –Big Java 11.1, 11.4-11.5 Homework #4

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

4. Upcoming Office Hours Suhas –Thursday 5-7pm, 122 Mudd Swapneel –Friday 11am-1pm, 608 CEPSR Swapneel & Suhas –Monday 11am-1pm, 6LE1 CEPSR

5. Homework #4 Due next Monday, June 22 at beginning of class Theory –Paper submission only Programming –Electronic submission and paper submission

6. Next Two Weeks Mon Jun 22 –Homework #4 due Wed Jun 24 –Research project papers due Mon Jun 29 –Homework #5 due Wed Jul 1 –Final exam

7. Research Project: Papers Papers are due at 5:30pm on Weds Jun 24 In your paper, you should cover: –a brief description of the problem you are addressing –your motivation for selecting this problem –your ideas for solving the problem –previous work in the field that addresses a similar problem and/or uses a similar solution –your estimation of what’s currently feasible and what isn’t 2-3 pages, single spaced, 12-point font Cite all relevant references!