1. 2
2. 3
3. 4
4. 5
5
1.
2.
3.
4.
1. ABCD
2.
3. A+B+C+D
4.
ABCD
1.
2.
3.
4.
1. A+(B+C)=A.B+A.C
2. A.(B+C)=(A+B)(A+C)
3. A+B.C=(A+B)(A+C)
4. None of these.
A+B.C=(A+B)(A+C)
1. NAND or EX-OR gate
2. NOR or EX-NOR gate
3. OR or EX-NOR gate
4. AND or EX-OR gate.
NOR or EX-NOR gate
1. AND gate
2. NAND gate
3. NOT gate
4. OR gate.
NOT gate
1. Sign-magnitude
2. 1’s complement
3. 2’s complement
4. 9’s complement.
2’s complement
1. Excess-3code
2. Gray code
3. BCD code
4. Hamming code.
Gray code
1. AB+AC+BC
2. A+BC
3. A+B
4. A+B+C.
AB+AC+BC