What is an embedded system? For the embedded system as shown in Figure identify the input and output devices. microphone sonar temperature sensor tachometer RFID reader wireless connection Embedded system for processing and control ensor LCD display switch HO electric motor computer Embedded system speaker position sens Figure A typical embedded system How can you get an analog output voltage from a microcontroller without having a DAC? Explain how can you obtain the phase angle of two sinusoidal signals using timers and two interrupts?