IOT Mock Test 4 - Sanfoundry

10%

Question 1 of 10

1. Which error occurs when UART transmitter has completed sending a character and the transmit buffer is empty?

Break condition

Overrun error

Framing error

Underrun error

Question 1 of 10

Question 2 of 10

2. Units for Absolute Humidity is ________

% by volume

PPMV

grams/m³

Question 2 of 10

Question 3 of 10

3. Which device generates output signal when metal objects are either inside or entering into sensing area.

Magnetic Proximity

Capacitive Proximity

Inductive proximity

Parallel Proximity

Question 3 of 10

Question 4 of 10

4. The term break derives from ___________ signaling.

Current loop

Power loop

Current and Power loop

Voltage loop

Question 4 of 10

Question 5 of 10

5. Which protocol is used by proximity sensor?

CAN

I2C

UART/USART

SPI

Question 5 of 10

Question 6 of 10

6. The rate of new values is called the sampling rate or sampling frequency.

True

False

Question 6 of 10

Question 7 of 10

7. Typical voltages used are ___________

3.3v

2.5v

5v or 3.3v

Question 7 of 10

Question 8 of 10

8. ________ measures temperature by correlating the resistance of the RTD with temperature.

Resistance Thermometer

Semiconductor based sensor

Thermistor

Thermo couple

Question 8 of 10

Question 9 of 10

9. Which error occurs when the parity of the number of 1 bit disagrees with that specified by the parity bit?