Answer
f1 - 0 0 0 0
f2 - 0 0 0 1
f3 - 0 0 1 0
f4 - 0 0 1 1
f5 - 0 1 0 0
f6 - 0 1 0 1
f7 - 0 1 1 0
f8 - 0 1 1 1
f9 - 1 0 0 0
f10- 1 0 0 1
f11- 1 0 1 0
f12- 1 0 1 1
f13- 1 1 0 0
f14- 1 1 0 1
f15- 1 1 1 0
f16- 1 1 1 1
Work Step by Step
Steps:
1. Start with all the values of f1 as zero.
2. Increment one bit at a time as you gradually move to other functions.
For eg: f1 - 0 0 0 0
f2 - 0 0 0 1
f3 - 0 0 1 0 and so on.
