---
title: "How many truth table entries are necessary for a four-input circuit?"  
description: "How many truth table entries are necessary for a four-input circuit?"  
author: "Ava Reeve"  
published: 2017-11-20  
canonical: https://answers.mindstick.com/qa/30994/how-many-truth-table-entries-are-necessary-for-a-four-input-circuit  
category: "technology"  
tags: ["electronics", "logic gates"]  
reading_time: 1 minute  

---

# How many truth table entries are necessary for a four-input circuit?

How many truth table entries are necessary for a four-input [circuit](https://www.mindstick.com/forum/162028/what-is-circuit-breakers)?

## Answers

### Answer by Hemant Patel

16 truth table entries are necessary for a four-input circuit.


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Original Source: https://answers.mindstick.com/qa/30994/how-many-truth-table-entries-are-necessary-for-a-four-input-circuit

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