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LOGIC GATE (AND gate (has two input and one output (The AND gate produces…
LOGIC GATE
AND gate
has two input and one output
The AND gate produces a TRUE output if and
only if both A and B are TRUE.
The Boolean expression for AND gate can be
written in three ways:
Y = A • B, Y = AB, or Y = A ∩ B.
The AND gate has two binary input and one
NOT gate
has one input and one output
The output of NOT gate is the inverse of its
input. TRUE input will produce FALSE, and
FALSE input will produce TRUE.
The Boolean equation for NOT gate is written
as Y = A’
The NOT gate has one binary input and one
binary output.
NAND gate
has two input and one output
Produce FALSE output when all of the input
are TRUE.
The Boolean expression for NAND gate can be
written in three ways:
Y = A • B, Y = AB, or Y = A ∩ B.
Combination of AND and NOT gate.
NAND gate produce TRUE output when any of
the input is FALSE.
OR gate
has two input and one output
The OR gate produces a TRUE output if either
A or B (or both) is TRUE.
The Boolean equation for an OR gate is
written as Y = A + B or Y = A ∪ B
The OR gate has two binary input and one
binary output.
NOR gate
has two input and one output
Produce FALSE output when any of the input
is TRUE.
Produce TRUE output when all of the input
are FALSE.
Combination of OR and NOT gate.
The Boolean equation for an NOR gate is
written as Y = A + B or Y = A ∪ B.