Embedded System Design Quiz

What is the primary purpose of a communication interface in embedded systems?

• To increase processing speed

• To store data

• To communicate with subsystems and the external world

• To power the system

Which of the following is an example of a device/board level communication interface?

• Wi-Fi

• Bluetooth

• I2C

• USB

What type of communication does the I2C bus use?

• Simplex

• Asynchronous

• Full duplex

• Half duplex

Which line in the I2C bus is responsible for transmitting data?

• SDA

• MISO

• SCL

• MOSI

What is the maximum number of devices that can be connected to an I2C bus?

• 1

• 2

• 127

• 256

What is the main characteristic of the SPI bus?

• Half duplex

• Simplex

• Asynchronous

• Full duplex

Which of the following is NOT a feature of the SPI bus?

• Is a synchronous interface

• Requires four signal lines

• Can send and receive data simultaneously

• Uses a single wire for communication

What is the primary function of the Master device in an I2C communication?

• To store data

• To generate power

• To receive data

• To initiate and control communication

What type of memory is FLASH memory considered to be?

• Volatile

• Non-volatile

• Static

• Dynamic

Which of the following is a characteristic of 1-Wire communication?

• Uses multiple wires

• Can power devices over a single wire

• Requires high-speed data transfer

• Is only for high-cost devices