1. 1. 

   2. A	B	C	output
      0	0	0	1
      0	0	1	1
      0	1	0	1
      0	1	1	1
      1	0	0	0
      1	0	1	0
      1	1	0	0
      1	1	1	1

2. 1. The expression is "(not A and B and not C) or (A and not B and not C) or (A and B and C)".

   2. 

3. 1. A	B	output
      0	0	0
      0	1	1
      1	0	1
      1	1	0

   2. 

4. 1. A	B	C	output
      0	0	0	0
      0	0	1	0
      0	1	0	0
      0	1	1	1
      1	0	0	0
      1	0	1	1
      1	1	0	1
      1	1	1	1

   2. 

5. 1. 00101
   2. 01010
   3. 10100
   4. 10000
   5. 10100
   6. 11110