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Tutorial - Testing Your Circuit

The document provides a tutorial on testing circuits using Logisim, highlighting the process of verifying circuit functionality by toggling input values and observing output changes. It explains how to use the poke tool to test different input combinations and check against a truth table. Finally, it encourages users to save their work and explore more advanced features of Logisim for circuit building.

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abubakarrfk91
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8 views2 pages

Tutorial - Testing Your Circuit

The document provides a tutorial on testing circuits using Logisim, highlighting the process of verifying circuit functionality by toggling input values and observing output changes. It explains how to use the poke tool to test different input combinations and check against a truth table. Finally, it encourages users to save their work and explore more advanced features of Logisim for circuit building.

Uploaded by

abubakarrfk91
Copyright
© © All Rights Reserved
We take content rights seriously. If you suspect this is your content, claim it here.
Available Formats
Download as PDF, TXT or read online on Scribd
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6/12/25, 2:41 AM Tutorial: Testing your circuit

Next: User's Guide

Step 4: Testing your circuit


Our final step is to test our circuit to ensure that it really does what we intended. Logisim is already simulating the circuit. Let's look again at where
we were.

Note that the input pins both contain 0s; and so does the output pin. This already tells us that the circuit already computes a 0 when both inputs are 0.

Now to try another combination of inputs. Select the poke tool ( ) and start poking the inputs by clicking on them. Each time you poke an input, its
value will toggle. For example, we might first poke the bottom input.

https://cburch.com/logisim/docs/2.1.0/guide/tutorial/tutor-test.html 1/2
6/12/25, 2:41 AM Tutorial: Testing your circuit

When you change the input value, Logisim will show you what values travel down the wires by drawing them light green to indicate a 1 value or dark
green (almost black) to indicate a 0 value. You can also see that the output value has changed to 1.

So far, we have tested the first two rows of our truth table, and the outputs (0 and 1) match the desired outputs.

By poking the switches through different combinations, we can verify the other two rows. If they all match, then we're done: The circuit works!

To archive your completed work, you might want to save or print your circuit. The File menu allows this, and of course it also allows you to exit
Logisim. But why quit now?

Now that you are finished with tutorial, you can experiment with Logisim by building your own circuits. If you want to build circuits with more
sophisticated features, then you should navigate through the rest of the help system to see what else you can do. Logisim is a powerful program,
allowing you to build up and test huge circuits; this step-by-step process just scratches the surface.

Next: User's Guide

https://cburch.com/logisim/docs/2.1.0/guide/tutorial/tutor-test.html 2/2

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