A bubble is just a shorthand notation for logical inversion, either on an input or an output of a gate. its quicker and easier than drawing a complete inverter. The transistor implementation of a NAND gate is smaller and faster than an AND gate and a NOT gate, but for the logic problems it's the same.
Thank you for this great video series. It was amazingly easy to follow.
What is the difference between a bubble and an inverter if they both do the same?
A bubble is just a shorthand notation for logical inversion, either on an input or an output of a gate. its quicker and easier than drawing a complete inverter.
The transistor implementation of a NAND gate is smaller and faster than an AND gate and a NOT gate, but for the logic problems it's the same.
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