BINARY ADDER (4 FA)

TRI STATE

ALU decoder

HALF ADDER NAND GATE

ALU using decoder

FULL ADDER

half adder O1

FULL ADDER USING NAMD GATES

LOGIC OPERATIONS

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BBAA

1_BA

BINARY SUBTRACTOR

BINARY ADDER AND SUBTRACTOR

FA using decoder

HALF ADDER NOR GATE

2_BS

BINARY SUBTRACTOR (4 FA)

COMMON BUS 3STATE BUFFER

HALF ADDER USING NAND GATE

CB 4R 4B MUX

half adder nand gate

MUX

HALF ADDER

Tri state buffer problem

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half adder O

HALF ADDER NAND 01

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CB 8R 6B MUX

COMMON BUS using TRI STATE buffer