--- lang: pt-br tags: ELE-21 --- # Soluções para P4 - EEA - 21 --- ## Q1 <span style="color:red">Errata:</span> A entrada X possui 12 bits, em vez de 8. Caso contrário não seria possível expressar 100 e 200 em BCD. - Sol 1 Parece que há erros nessa solução ![](https://i.imgur.com/iy7c7UP.png) ![](https://i.imgur.com/CZq9DAZ.png) - Sol 2 Longa, mas detalhada, projeto clássico ![](https://i.imgur.com/QunKMqo.png) ![](https://i.imgur.com/gMOKoC5.png) ![](https://i.imgur.com/6unTWxM.png) ![](https://i.imgur.com/d6XLiQH.png) --- ## Q2 - Sol 1 ![](https://i.imgur.com/mMxB67T.png) --- ## Q3 - Sol 1 ![](https://i.imgur.com/ZmmFzQY.png) - Sol 2 ![](https://i.imgur.com/bnR16bR.png) --- ## Q4 - Sol 1 ![](https://i.imgur.com/5RjatsD.png) ![](https://i.imgur.com/KMXQOPu.png) - Sol 2 Tá faltando as `and's` que tem na solução 1 ![](https://i.imgur.com/bmuO5Vp.png) De fato, após adicionar as `and's` que estão faltando, o contador se comporta corretamente: ![](https://i.imgur.com/VM5lEzP.png) ![](https://i.imgur.com/I2GbvX1.png) O porquê desse circuito funcionar consta na sol.2 da questão 9. --- ## Q5 --- ## Q6 - Sol 1 ![](https://i.imgur.com/qrnZ45i.png) - Sol 2 ![](https://i.imgur.com/WNSdcwE.png) --- ## Q7 - Sol 1 ![](https://i.imgur.com/nBKLgqR.png) - Sol 2 ![](https://i.imgur.com/9BKY2tU.png) --- ## Q8 - Sol 1 ![](https://i.imgur.com/gjOnsLu.png) --- ## Q9 - Sol 1 ![](https://i.imgur.com/zOmmxoh.png) - Sol 2 ![](https://i.imgur.com/PN2uMAK.png) --- ## Q10 - Sol 1 ![](https://i.imgur.com/Ps8xYDo.png) - Sol 2 ![](https://i.imgur.com/srbyYug.png) ---