PHYS345 Electricity and Electronics

Answers for 10/19 Assignment

Answer for 13.10

The final column in the table constructed in the hint is identical to B.

Answer for 13.11

A  B   C   B'   C'  D=
 BC 
E=
 C'B 
F=
 B'A 
 D+E+F   A+B 
0 0 0   0 0
0 0 1   0 0
0 1 0   1 1
0 1 1   1 1
1 0 0   1 1
1 0 1   1 1
1 1 0   1 1
1 1 1   1 1

Answer for 13.18

The only true outcome is when x3=0, x2=0, and x1=1.

Answer for 13.21

The desired Boolean expression would be H1H2(F1+F2)+ F1F2(H1+H2) to generate a true condition to sound an alarm.

Click here for a representative logic circuit using dual-input AND and OR gates.


"http://www.physics.udel.edu/~watson/phys345/protected/exercises/answers/1019.html"
Last updated Nov. 3, 1999.
Copyright George Watson, Univ. of Delaware, 1999.