![Since each digital system can be built only with NAND gates, why use other logic gates, such as AOI (and-or-invert) and tri-state buffers? - Quora Since each digital system can be built only with NAND gates, why use other logic gates, such as AOI (and-or-invert) and tri-state buffers? - Quora](https://qph.cf2.quoracdn.net/main-qimg-8ec05641867cbd584b4b5f6012b8f47d.webp)
Since each digital system can be built only with NAND gates, why use other logic gates, such as AOI (and-or-invert) and tri-state buffers? - Quora
![circuit design - How should an AND-OR-INVERT gate look like? - Electrical Engineering Stack Exchange circuit design - How should an AND-OR-INVERT gate look like? - Electrical Engineering Stack Exchange](https://i.stack.imgur.com/GSnqn.png)
circuit design - How should an AND-OR-INVERT gate look like? - Electrical Engineering Stack Exchange
![And-Or-Invert Circuit: a) at the gate level, b) CMOS implementation, c)... | Download Scientific Diagram And-Or-Invert Circuit: a) at the gate level, b) CMOS implementation, c)... | Download Scientific Diagram](https://www.researchgate.net/publication/220742310/figure/fig2/AS:667852604465163@1536239877187/And-Or-Invert-Circuit-a-at-the-gate-level-b-CMOS-implementation-c-a-naive-gate.png)
And-Or-Invert Circuit: a) at the gate level, b) CMOS implementation, c)... | Download Scientific Diagram
![And-Or-Invert Circuit: a) at the gate level, b) CMOS implementation, c)... | Download Scientific Diagram And-Or-Invert Circuit: a) at the gate level, b) CMOS implementation, c)... | Download Scientific Diagram](https://www.researchgate.net/profile/Lukas_Sekanina/publication/220742310/figure/fig2/AS:667852604465163@1536239877187/And-Or-Invert-Circuit-a-at-the-gate-level-b-CMOS-implementation-c-a-naive-gate_Q320.jpg)