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Appendix B The Basic of Logic Design

Appendix B The Basic of Logic Design. B.3 Combinational Logic. Decoders:. Multiplexors. 2 ×1 Mux: A 32-bit wide 2 ×1 Mux:. B.5 Constructing a Basic Arithmetic Logic Unit. A 1-Bit ALU. A 32-Bit ALU. A 1-bit ALU that perform AND, OR, addition and subtraction:. NOR.

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Appendix B The Basic of Logic Design

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  1. Appendix BThe Basic of Logic Design

  2. B.3 Combinational Logic Decoders:

  3. Multiplexors 2×1 Mux: A 32-bit wide 2×1 Mux:

  4. B.5 Constructing a Basic Arithmetic Logic Unit A 1-Bit ALU

  5. A 32-Bit ALU

  6. A 1-bit ALU that perform AND, OR, addition and subtraction: NOR

  7. Tailoring the 32-Bit ALU to MIPS • slt that is, a 1 if a-b is negative and 0 if it’s positive  sign bit

  8. The final 32-bit ALU

  9. B.8 Register Files

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