Questions

Here are some questions to reiterate the topics in this chapter:

1. What would be the right peripheral to use when you need to drive an LED?
   1. ADC
   2. GPIO
   3. I²C
   4. DAC
2. Which of the following options supports multiple clients on the same bus with addressing?
   1. I²S
   2. GPIO
   3. I²C
   4. SPI
3. Why do SD cards use SPI communication with MCUs?
   1. Less error-prone
   2. Less resource-hungry (fewer pins to use)
   3. Higher transfer rate
   4. Higher memory capacity
4. The I²S protocol defines a Word-Select (WS) signal:
   1. To transfer audio data
   2. To clock the bus
   3. To select the left or right channel
   4. To increase the data rate
5. Which of the following is not a display technology generally used in IoT applications?
   1. MRI
   2. LCD
   3. TFT
   4. OLED
   ...