# Solving 3 to 8 Decoder Circuit Problems

• Femme_physics
In summary, the conversation discusses a 3 to 8 decoder circuit and its functionality. The questions addressed are the explanation of the circuit's action, the values of A0, A1, A2 to turn on light D4, the determination of the light turned on with entry values 111, and the possibility of having more than one light on at a time in the circuit. The conversation ends with excitement and gratitude.
Femme_physics
Gold Member

## Homework Statement

http://img96.imageshack.us/img96/7671/decca.jpg

Got a 3 to 8 decoder here

1) Explain the circuit action
2) List the values of A0, A1, A2 so that light number D4 will turn on
3) Given, that the entry values, A0, A1, A2, are 111 accordingly. Which light is on?
4) Can you turn more than 1 light ata time in this circuit? Explain.

## The Attempt at a Solution

http://img843.imageshack.us/img843/6531/decoder0.jpg

Last edited by a moderator:

Do you have any questions or did you just want a seal of approval?

But but... I did write the quesitons!

1) Explain the circuit action
2) List the values of A0, A1, A2 so that light number D4 will turn on
3) Given, that the entry values, A0, A1, A2, are 111 accordingly. Which light is on?
4) Can you turn more than 1 light ata time in this circuit? Explain

Yes, and you did write the correct answers too!

w00t w00t! :) thanks. just checking.*Does a victory dance*

Ah, you're so easy to please!

## 1. What is a 3 to 8 decoder circuit?

A 3 to 8 decoder circuit is an electronic circuit that takes in a 3-bit input and produces an 8-bit output. It essentially decodes the input and activates one of the 8 output lines based on the specific input combination.

## 2. How does a 3 to 8 decoder circuit work?

A 3 to 8 decoder circuit works by using a combination of AND, OR, and NOT gates to decode the input and activate the corresponding output line. The 3 input bits are used to select one of the 8 output lines, with each output line corresponding to a specific input combination.

## 3. What are some common problems encountered when solving 3 to 8 decoder circuit problems?

Some common problems encountered when solving 3 to 8 decoder circuit problems include incorrect wiring or connections, incorrect input or output values, and faulty components. It is important to carefully double check all connections and values to ensure the circuit is functioning properly.

## 4. How can I troubleshoot a 3 to 8 decoder circuit problem?

To troubleshoot a 3 to 8 decoder circuit problem, start by checking all connections and making sure they are secure and in the correct place. Next, check the input and output values to ensure they are correct. If the circuit is still not functioning properly, try replacing any potentially faulty components.

## 5. What are some tips for solving 3 to 8 decoder circuit problems?

Some tips for solving 3 to 8 decoder circuit problems include carefully mapping out the circuit and understanding the function of each component, using a truth table to determine the expected output for each input combination, and double checking all connections and values before testing the circuit.

• Engineering and Comp Sci Homework Help
Replies
4
Views
2K
• Engineering and Comp Sci Homework Help
Replies
18
Views
6K
• Engineering and Comp Sci Homework Help
Replies
1
Views
5K
• Engineering and Comp Sci Homework Help
Replies
5
Views
1K
• Engineering and Comp Sci Homework Help
Replies
6
Views
4K
• Engineering and Comp Sci Homework Help
Replies
2
Views
6K
• Engineering and Comp Sci Homework Help
Replies
2
Views
4K
• Electrical Engineering
Replies
4
Views
3K
• Engineering and Comp Sci Homework Help
Replies
2
Views
3K
• Cosmology
Replies
6
Views
1K