Homework #1
-----------

Perform the following problems from the book:
Chapter 1: 3, 5, 7, 8, 9, 11, 15, 20

Also: what is the truth table for function 
   f = a'b + ab'c + a'bc' + abc' ?
Express this in terms of SOP form (Sigma notation).
Draw a circuit using AND, OR, and Inverter logic gates that would 
  perform this function.
Convert the circuit to NAND gates only.