KLDPWiki: Digital 논리게이트

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Digital 논리게이트

Digital 논리게이트 ¶

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조재혁(minzkn@minzkn.com)
고친과정
2008년 어느날 : 처음씀

OR의 교환법칙 ¶

x OR y = y OR x

OR의 결합법칙 ¶

x OR y OR z = (x OR y) OR z = x OR (y OR z)

AND : x AND y = F ¶

0 AND 0 = 0
0 AND 1 = 0
1 AND 0 = 0
1 AND 1 = 1

OR : x OR y = F ¶

0 OR 0 = 0
0 OR 1 = 1
1 OR 0 = 1
1 OR 1 = 1

Inverter : !x = F ¶

!0 = 1
!1 = 0

Buffer : x = F ¶

0 = 0
1 = 1

NAND : x NAND y = !(x AND y) = F ¶

0 NAND 0 = 1
0 NAND 1 = 1
1 NAND 0 = 1
1 NAND 1 = 0

NOR : x NOR y = !(x OR y) = F ¶

0 NOR 0 = 1
0 NOR 1 = 0
1 NOR 0 = 0
1 NOR 1 = 0

XOR(Exclusive-OR) : x XOR y = (x AND !y) OR (!x AND y) = F ¶

0 XOR 0 = 0
0 XOR 1 = 1
1 XOR 0 = 1
1 XOR 1 = 0

Exclusive-NOR : x XNOR y = !(x XOR y) = (x AND y) OR (!x AND !y) = F ¶

0 XNOR 0 = 1
0 XNOR 1 = 0
1 XNOR 0 = 0
1 XNOR 1 = 1

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