1) This is an OR-gate.

2) AND it has some Friends.

3) These little friends are called NOT, NAND, NOR and XOR.

All logic gates can be used for hardware synthesis.

Check out my last entry on a simple multiplexer: https://ldjam.com/events/ludum-dare/46/tyson-lee-keep-it-alive-edition/multiplexer

Come tinker and play at: https://ldjam.com/events/ludum-dare/46/tyson-lee-keep-it-alive-edition