Chap 5 
------

File Name            Description                 Reference in Book
---------            -----------                 -----------------
mux4_1.v             Gate level                  Section 5.1.4
                     description of
                     4-to-1 multiplexer
                     with stimulus.
fulladd.v            Gate level description      Section 5.1.4 
                     of 4-bit full adder with
                     stimulus.

delay.v              Example of gate level       Section 5.2.3
                     delays.




