Hi guys! Hope all is well with everyone. I had a question regarding design of circuits.
Lets take an example of a ready made 4 bit down counter that you could buy online. We all know that it employs flip flops with a ton of gates etc. Now let us say i try to design the same kind of counter from scratch using a truth table , karanaugh map etc .

So I'm a programming student, but we have a computer architecture module. Just recently we started working with Proteus. Up to that point we had been discussing truth tables, binary conversions and k maps. So the jump to logic circuits was pretty fast.

So as part of our homework we were supposed to simplify truth table binary results to boolean algebra via k-map. Which I have done.

When given a 4-bit input, determine whether the number of '1's in the input is odd or even. For example, if input is 0110, output is 0. if input is 0111, output is 1.

Hey, I was working on a couple of lab questions. I got stuck on this one, I've been trying to figure it out for the past 2 hours.

The '~' symbol represents negated, in other words NOT

Show how you would realize the logic function
Z = ~A~BC~D
using only 2-input NAND gates.

If we take a 2-input NAND or a 2-input NOR gate and tie the inputs together to a single input line in both cases, determine using a truth table how both type of gates would behave (i.e. is it like a different type of gate)?

Im trying to make a circuit for my motorcycle and i want the LED's in the headlights to blink for X amount of secs then go steady. Well what i came up was a two circuits with the NE555 a blinker and a delay on circuit and i was going to install them whit a relay something like the diagram below and the circuits i'm using but i cant fine the exact blinker circuit but its a 12V one.

Bill Gates may be one of the world’s most famous philanthropists, entrepreneurs, and guest editors, but could he be adding venture capitalist to the list? Over the past few years it seems that Gates has, in fact, been increasing his investment in startups.
Though not as active in venture capital as other, less-billionaire-y, technology billionaires, Gates is nonetheless putting together a g

Hey, i've been stuck on this one for about a week now, the design should be as shown, and the led is supposed to light up when sw1, sw2, and sw3 are working as short circuits. The problem is that the led diode is on because of the voltage source feeding it directly, and not because of the switches. Is the design wrong, is there something missing?

hey people,
i started reading about multiplexers recently and could not understand implementation of logic gates using mux's.