# Decoder homework help

1. Mar 16, 2012

### Femme_physics

1. The problem statement, all variables and given/known data

http://img96.imageshack.us/img96/7671/decca.jpg [Broken]

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.

3. The attempt at a solution

http://img843.imageshack.us/img843/6531/decoder0.jpg [Broken]

Last edited by a moderator: May 5, 2017
2. Mar 16, 2012

### I like Serena

Re: Decoder

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

3. Mar 16, 2012

### Femme_physics

Re: Decoder

But but... I did write the quesitons!

4. Mar 16, 2012

### I like Serena

Re: Decoder

Yes, and you did write the correct answers too!

5. Mar 16, 2012

### Femme_physics

Re: Decoder

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

6. Mar 16, 2012

### I like Serena

Re: Decoder

Ah, you're so easy to please!