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ES 112 Project 2 bit ALU

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Design a 2-bit ALU Design a 2-bit ALU capable of performing the following operations: ADD Multiplication Bitwise AND Bitwise OR

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**Description of ADD operation**

Assume that the bits are unsigned Inputs (A1, A0) and (B1, B0) Implement the 2 bit adder in a “flat schematic”, i.e. draw all your gates in the same schematic. Do not use subcircuits for this exercise.

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**Description of a Multiply Operation**

Inputs (A1, A0) and (B1, B0) Implement the 2 bit multiplier in a “flat schematic

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**Definition of the 4-1 MUX S1 S0 Operation Multiplication 1 Add**

Multiplication 1 Add Bitwise AND Bitwise OR

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Multiply S1 S0 A1 A0 B1 B0 D3 D2 D1 D0 1

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Add Operation S1 S0 A1 A0 B1 B0 D3 D2 D1 D0 1

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AND Operation S1 S0 A1 A0 B1 B0 D3 D2 D1 D0 1

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OR Operation S1 S0 A1 A0 B1 B0 D3 D2 D1 D0 1

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Schematic of 2 Bit Adder

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**Schematic of 2 Bit Multiplier**

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Schematic of 2 Bit AND

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2 Bit OR

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Schematic of 4-1 Mux

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Top Level Schematic

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