CS 157B: Database Management Systems II March 18 Class Meeting Department of Computer Science San Jose State University Spring 2013 Instructor: Ron Mak

Department of Computer Science Spring 2013: March 18 CS 157B: Database Management Systems II © R. Mak 2 Today’s Presentations  Section 1 Team INVIKO Team Lasers Team Cosmos Team VoidStarStar Team A  Section 2 Team C Team Unlimited Data Team VoidStar Team Khalsa

Department of Computer Science Spring 2013: March 18 CS 157B: Database Management Systems II © R. Mak 3 Unofficial Field Trip  Computer History Museum in Mt. View  Experience a fully restored IBM 1401 mainframe computer from the early 1960s in operation. General info: My summer seminar: Restoration: thelen.org/1401Project/1401RestorationPage.htmlhttp://ed- thelen.org/1401Project/1401RestorationPage.html Demos at 11:30 and at 2:00.  See a life-size working model of Charles Babbage’s Difference Engine in operation, a hand-cranked mechanical computer designed in the early 1800s. Demo at 1:00. Saturday, March 23. Meet in the museum lobby at 11:15 AM.

Department of Computer Science Spring 2013: March 18 CS 157B: Database Management Systems II © R. Mak 4 Unofficial Field Trip  IBM 1401 computer, fully restored and operational A small transistor-based mainframe computer. Extremely popular with small businesses in the late 1950s through the mid 1960s  Maximum of 16K bytes of memory.  800 card/minute card reader (wire brushes).  600 line/minute line printer (impact).  6 magnetic tape drives, no disk drives. Special private hands-on demos at 11:45 and 2:00.

Department of Computer Science Spring 2013: March 18 CS 157B: Database Management Systems II © R. Mak 5 Unofficial Field Trip  Babbage Difference Engine, fully operational Hand-cranked mechanical computer. Computed polynomial functions. Designed by Charles Babbage in the early to mid 1800s.  Arguably the world’s first computer scientist, lived He wasn’t able to build it because he lost his funding.  His plans survived and this working model was built. Includes a working printer! Demo at 1:00

Department of Computer Science Spring 2013: March 18 CS 157B: Database Management Systems II © R. Mak 6 Unofficial Field Trip  The new Revolution exhibit is now open! Walk through a timeline of the First 2000 Years of Computing History. Historic computer systems, data processing equipment, and other artifacts. Small theatre presentations. Atanasoff-Berry Computer Hollerith Census Machine

Department of Computer Science Spring 2013: March 18 CS 157B: Database Management Systems II © R. Mak 7 Extra Credit!  There will be extra credit if you participate in the unofficial field trip to the Computer History Museum. Up to 10 points added to your midterm score. To be decided:  a quiz (via Desire2Learn)  or an essay