I'm not sure where else I can ask a question like this, I've been searching around and can't seem to find a proper place to ask about basic digital logic.
I'm doing a computer science course and have been practising basic circuit designs online.
I've been given a problem where I have to make simple key and lock mechanism where I have three lock inputs and three key inputs and if the key input matches the lock an LED will light up. It says I can only use AND NOT and OR gates and to use a decoder.
I've made a start but it's probably far from right:
http://i.imgur.com/xrJLyx6.png
Would I need to use a 3-8 decoder? I'm not sure how this can be done, would like any hint
I'm doing a computer science course and have been practising basic circuit designs online.
I've been given a problem where I have to make simple key and lock mechanism where I have three lock inputs and three key inputs and if the key input matches the lock an LED will light up. It says I can only use AND NOT and OR gates and to use a decoder.
I've made a start but it's probably far from right:
http://i.imgur.com/xrJLyx6.png
Would I need to use a 3-8 decoder? I'm not sure how this can be done, would like any hint