Computer Science 237
Computer Organization

Lecture 12: Ripple-Carry Adders, Subtractors, Faster Adders, Encoders/Decoders
Date: October 4, 2006

Announcements
- 10/4/87
- Mountain Day Forecast
- Official Mountain Day Hike of the Computer Science Department
New Lab coming, but no meetings next week
A bit more combinational logic
- Ripple-carry adders
- Subtractors?
- Faster adders
- ENCs/DECs
Exam Out

Building an n-bit adder out of three n/2-bit adders: