Quiz submission record for quiz4-1-1 at Sun Jul 11 23:39:40 2004:

Your Answer for Question 1:
There are 2^n terms possible.

Your Answer for Question 2:
A bus is a collection of data lines that is treated together as a single logical signal.

Your Answer for Question 3:
y = a + a.b + a.not(b) # idempotent law
  = a + a(b + not(b))  # distribution
  = a + a(1)           # complementarity
  = a + a              
  = a                  # idempotent law


Your unique submission ID is quiz4-1-1-cs61c-ep-1089614380-360.