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- <h1>Subcircuits</h1>
- <p>As you build circuits that are more and more sophisticated, you will
- want to build smaller circuits that you can use multiple times
- as a module nested within larger circuits.
- In Logisim, such a smaller circuit that is used in a larger
- circuit is called a <strong>subcircuit</strong>.</p>
- <p>If you're familiar with computer programming, you're familiar with
- the subprogram concept, whether it's called a <em>subroutine</em>,
- <em>function</em>, <em>method</em>, or <em>procedure</em> in your
- favored language.
- The subcircuit concept is analogous to this, and it serves the same purpose:
- To break a large job into bite-sized pieces,
- to save the effort of defining the same concept multiple times, and to
- facilitate debugging.</p>
- <blockquote><a href="creating.html">Creating circuits</a>
- <br><a href="using.html">Using subcircuits</a>
- <br><a href="appear.html">Editing subcircuit appearance</a>
- <br><a href="debug.html">Debugging subcircuits</a>
- <br><a href="library.html">Logisim libraries</a>
- </blockquote>
- <p><strong>Next:</strong> <a href="creating.html">Creating circuits</a>.</p>
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