© The Author(s), under exclusive license to APress Media, LLC, part of Springer Nature 2024
H. H. WardMastering Digital ElectronicsMaker Innovations Serieshttps://doi.org/10.1007/978-1-4842-9878-7_7

7. Combinational Logic

Hubert Henry Ward1  
Leigh, UK
In this chapter we will look at combinational logic circuits. These are circuits that respond simply to the state of their inputs at that moment in time. They don’t care about what has happened before as with sequential logic circuits. There are a range of useful combinational logic circuits that make up the basis of devices today, and we will study how they work. They will include
  • The half adder

  • The full adder

  • The multiplexer

The Tri-state Buffer

Before we go too far into the world of combinational ...

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