PHYS345 Electricity and Electronics

Answer for S13.2

Decoder for segment b:

 BA 00  01  11  10 
DC\
 00    1 1 1 1
 01    1 0 1 0
 11    x x x x
 10    1 1 x x

Boxing ones:

 BA 00  01  11  10 
DC\
 00    1 1 1 1
 01    1 0 1 0
 11    x x x x
 10    1 1 x x

Red boxes are represented by C'.

 
 BA 00  01  11  10 
DC\
 00    1 1 1 1
 01    1 0 1 0
 11    x x x x
 10    1 1 x x

Green boxes are represented by A'.B'.

 
 BA 00  01  11  10 
DC\
 00    1 1 1 1
 01    1 0 1 0
 11    x x x x
 10    1 1 x x


Blue boxes are represented by A.B.

 
 BA 00  01  11  10 
DC\
 00    1 1 1 1
 01    1 0 1 0
 11    x x x x
 10    1 1 x x


All boxes are represented by C' + A'.B' + A.B, as shown in the problem statement.


"http://www.physics.udel.edu/~watson/phys345/protected/exercises/answers/S13-2.html"
Last updated Nov. 11, 1999.
Copyright George Watson, Univ. of Delaware, 1999.