This document discusses logical gates and their truth tables. It defines the NOT, AND, OR, NAND, NOR, XOR, and NXOR logical gates and provides their truth tables showing the output for all combinations of 0 and 1 inputs. The truth tables define the output of each logical gate based on the inputs.

1. Reprezentare porti logice
Poarta logicǎ
Reprezentare
Tabelul de adevǎr
NU
(NOT)
0
1
1
0
SI
(AND)
0
0
1
1
0
1
0
1
0
0
0
1
SAU
(OR)
0
0
1
1
0
1
0
1
0
1
1
1
SI-NU
(NAND)
0
0
1
1
0
1
0
1
1
1
1
0
SAU-NU
(NOR)
0
0
1
1
0
1
0
1
1
0
0
0

2. SAU –EXCLUSIV
(XOR)
0
0
1
1
0
1
0
1
0
1
1
0
SAU – EXCLUSIV
NEGAT
(NXOR)
0
0
1
1
0
1
0
1
1
0
0
1