Join 36000+ teachers and students using TTIO.
Source: Wikipedia Jack Kilby's original hybrid integrated circuit from 1958. This was the first integrated circuit, and was made from germanium.
We come into contact with computers, of varying kinds, every day. Yes, your phone is a computer too! If you were too look more closely at what was going on inside them, you'd invariably have to learn about logic circuits. Ultimately, a computer is built from millions of combinations of logic circuits.
For homework: Have a look at this site and play around with creating your own.
Try creating a logic circuit that uses three gates: the OR, AND and NOT. Can you draw a truth table that predicts the output and then try it out using logic,ly/demo to see if your truth table predictions were correct!