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ARITHMETIC CIRCUITS
Four Bit Adder-Subtractor
4-bit Signed Comparator
BCD Adder
4X4 Multiplier Circuit
ADDERS
Half-Adder
Full-Adder
SUBTRACTORS
Half-Subtractor
Full-Subtractor
DECODERS
BCD-to-Excess-3 Code Converter
One-Two-Decoder
Two-Four-Decoder
Two-Four-Decoder Enable Input
Three to Eight Decoder
MULTIPLEXERS
Two-to-One Multiplexer
Four-to-One Line Multiplexer
Quadruple Two-to-One Line Multiplexer
One-to-Four Demultiplexer
ENCODERS
Four Input Priority Encoder
Full Subtractor
The interactive Full Subtractor digital logic circuit, with Boolean function and truth table.
Click on the circuit to see its function.
TRUTH TABLE
Input
Output
X
Y
B
in
D
B
out
0
0
0
0
0
0
0
1
1
1
0
1
0
1
1
0
1
1
0
1
1
0
0
1
0
1
0
1
0
0
1
1
0
0
0
1
1
1
1
1
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