1409	 NEBULA A Digital Computer Using a Mc Glass Delay Line Memory	 Oregon State University has designed and constructed a medium-speed serial digital computer using glass delay lines circulating at Mc as memory. The design objectives as originally conceived in a special seminar were to be a research project in computer design to be usable as an educational machine and to have easily modifiable hardware for basic research in computer systems design. An unusual arrangement of information within the Mc memory allows a simple interface with the Kc arithmetic unit which results in an effective zero latency time and provides possibilities for an associative memory. The arithmetic unit has a command structure similar to large parallel machines and uses flip-flop arithmetic and control registers throughout. All hardware development has been aimed toward the concept of easy modification elaborate console controls for effective man-machine interaction and low cost.
