All logic gates can be created using NOR logic gates.

NOT Gates

Y = A NOR A

NOT From NOR Truth Table

AY (A NOR A)
01
10

OR Gates

OR gates from NOR gates are basically negated NOR gates.

Y = P0 NOR P0 = (A NOR B) NOR (A NOR B)

OR From NOR Truth Table

ABP0 (A NOR B)Y (P0 NOR P0)
0010
0101
1001
1101

AND Gates

Y = P0 NOR P1 = (A NOR A) NOR (B NOR B)

AND From NOR Truth Table

ABP0 (A NOR A)P1 (B NOR B)Y (P0 NOR P1)
00110
01100
10010
11001

NAND Gates

NAND gates are basically negated AND gates.

Y = P3 NOR P3 = (P0 NOR P0) NOR (P1 NOR P1) = ((A NOR A) NOR (A NOR A)) NOR ((B NOR B) NOR (B NOR B))

NAND From NOR Truth Table

ABP0 (A NOR A)P1 (B NOR B)P2 (P0 NOR P1)Y ( P2 NOR P2)
001101
011001
100101
110010

XOR Gates

Y = P2 NOR P3 = (P0 NOR P1) NOR (B NOR A) = ((A NOR A) NOR (B NOR B)) NOR (B NOR A)

XOR From NOR Truth Table

ABP0 (A NOR A)P1 (B NOR B)P2 (P0 NOR P1)P3 (A NOR B)Y (P2 NOR P3)
0011010
0110001
1001001
1100100

XNOR Gates

XNOR gates are basically negated XOR gates.

Y = P1 NOR P2 = (A NOR P0) NOR (P0 NOR B) = (A NOR (A NOR B)) NOR ((A NOR B) NOR B)

XNOR From NOR Truth Table

ABP0 (A NOR B)P1 (A NOR P0)P2 (P0 NOR B)Y (P1 NOR P2)
001001
010100
100010
110001
Logic Gates From NOR (NOR Logic)
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