Communication protocols and modules

Units of Baud Rate

• bps

• Mbps

• Gbps

• Kbps

Full form of UART

• Universal Asynchronous Transmitted - Received

• Universal Asynchronous Received - Transmitted

• Universal Asynchronous Receiver - Transmitter

• Universal Asynchronous Receiver - Transmission

Communication protocol is a set of

• Instructions

• Lines

• Rules

• Pens

Two UART devices connect or communicate in which way?

• Rx1 to Rx2 and TX1 to Tx2

• TX1 to RX2 and RX1 to Tx2

• TX1 to Tx1 and Rx2 to Rx1

• Rx2 to Rx1 and Tx2 to Tx2

Library used for UART communication

• SoftwareSerial.h

• Softwareserial.h

• Serialsoftware.h

• SerialSoftware.h

What is x and y in this line

BTSerial(x,y)

• Vcc pin and Gnd pin

• Rx pin and Tx pin

• Tx pin and Rx pin

• Data in and Data out

How many wire does SPI use?

• 2

• 1

• 5

• 4

What is SPI?

• serial synchronous communication protocol

• synchronous serials communication protocol

• synchronous serial communication protocol

• Asynchronous serial communication protocol

SPI operates in

• Half - duplex

• Full - duplex

• Simplex

• Full - Simplex

Full form of CPOL and CPHA

• Clock Polarity and Clock Phase

• Clock Polar and Clock Phase

• Clock Polarity and Clock Pharmacy

• Clock Polarized and Clock Phase