



Solution:
Here, C = A.B and D = Ā.B
E = C + D = (A B) + (Ā .B)
Explanation The truth table of this arrangement of gates can be given
| A | B | Ā | C = A.B | d = Ā.B | E = (C + D) |
| 0 | 0 | 1 | 0 | 0 | 0 |
| 0 | 1 | 1 | 0 | 1 | 1 |
| 1 | 0 | 0 | 0 | 0 | 0 |
| 1 | 1 | 0 | 1 | 0 | 0 |
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