Question 3. Transmit the decimal number 75 using the RS232 UART communication. Explain in detail all the steps. (25 points, 5 points each) Decimal number to be transmitted: 75 1. Hexadecimal value: 2. Binary sequence: 3. Order of transmission of bits: 4. Binary sequence to be transmitted: s. The voltage value for transmitting a logical 1 is: Question 4. Make a research about the steps of manufacturing an Integrated Circuit. Explain in detail the doping process. The information should be paraphrased. (25 points)