SPI Protocol Quiz

What type of communication does the SPI protocol use?

• Parallel

• Synchronous serial

• Asynchronous serial

• Optical

In SPI, who controls the clock signal?

• Master device

• Slave device

• Both master and slave

• None of the above

What is the maximum clock frequency for SPI?

• 100 KHz

• 500 KHz

• 1 MHz

• 2 MHz

Which of the following is NOT an advantage of SPI?

• Complex wiring with multiple slaves

• Supports full duplex mode

• No need for precision oscillators

• High data transfer rate

What is the primary disadvantage of using SPI with multiple slaves?

• Complex wiring

• Single master limitation

• No error checking

• Requires more than 4 wires

Which pin is used for Slave Select in SPI?

• SCK

• MOSI

• MISO

• SS

What type of data transfer does SPI support?

• None of the above

• Half-duplex only

• Full-duplex only

• Both half-duplex and full-duplex

What happens if the master does not read from SSPBUF before another write?

• Data is sent to the slave

• Data is lost

• Data is stored indefinitely

• No effect

What is the function of the SCK pin in SPI?

• Data input

• Data output

• Clock signal

• Slave selection

How many wires does SPI typically use?

• 5 wires

• 4 wires

• 3 wires

• 2 wires