1. (5 points) Please explain what the microcontroller is, and what the difference is between microcontroller and microprocessor. 2. (5 points) What is the machine codes (in hex) for the following instructions and how many clock cycles do they take? 3. (8 points) If a 11.059MHz crystal drives the on-chip oscillator, please details the calculation of timer initial value for 1200Hz baud-rate generation of serial communication (SMOD=0) using Timer 1 , timer mode 2