Computer Science 150 Homework Assignment 7
Spring 1997
Due: Thursday, April 10, 5:00 pm
The numbers in brackets [ ] denote the relative marks assigned for
each question.
-
A manufacturing error results in a batch of flip-flops with cross-coupled
NOR/NAND gates as shown below:
(a) Show a primitive flow graph for the circuit.
[20]
(b) Show that this device cannot be reset via
its input terminals A and B. [20]
-
A sequential system is comprised of two feedback
logic functions:
Under what input conditions will the system oscillate?
[20]
pchong@cory.eecs.berkeley.edu