Podcast
Questions and Answers
What is the role of actuators in an IoT system?
What is the role of actuators in an IoT system?
- They provide input to the system
- They perform direct actions upon the physical world (correct)
- They control the algorithms in the system
- They manage the communication within the system
How are digital actuators usually managed?
How are digital actuators usually managed?
- By producing continuous signals
- By controlling the speed of a motor
- By converting analog signals
- By writing values to actuator output registers (correct)
What is the purpose of a digital-to-analog (DAC) converter circuitry in an IoT system?
What is the purpose of a digital-to-analog (DAC) converter circuitry in an IoT system?
- To convert analog values to digital signals
- To produce continuous signals
- To implement control actions
- To convert digital values into corresponding analog output signals (correct)
How do analog actuators typically produce signals in an IoT system?
How do analog actuators typically produce signals in an IoT system?
What role does pulse-width modulation (PWM) play in digital output actuation?
What role does pulse-width modulation (PWM) play in digital output actuation?
In what way can actuators generate timed control pulses individually or in series?
In what way can actuators generate timed control pulses individually or in series?
What type of outputs do integrated sensors usually produce?
What type of outputs do integrated sensors usually produce?
What components are required for stand-alone sensor assemblies using wireless communication?
What components are required for stand-alone sensor assemblies using wireless communication?
What do raw transducer outputs typically come in the form of?
What do raw transducer outputs typically come in the form of?
What is often needed for analog signals to be read programmatically by the receiving entity?
What is often needed for analog signals to be read programmatically by the receiving entity?
What are smart sensors designed to support as a design choice?
What are smart sensors designed to support as a design choice?
What is used to convert digitized values to engineering units for use by the rest of the IoT system?
What is used to convert digitized values to engineering units for use by the rest of the IoT system?
What is used to reduce the number of signal traces especially for natively analog measurements?
What is used to reduce the number of signal traces especially for natively analog measurements?
What type of connection do some sensors, such as smart home thermostats, have the additional ability to connect to?
What type of connection do some sensors, such as smart home thermostats, have the additional ability to connect to?
What is the primary function of a sensor in an IoT system?
What is the primary function of a sensor in an IoT system?
In what formats do sensor-produced signals come?
In what formats do sensor-produced signals come?
What is the role of actuators in an IoT system?
What is the role of actuators in an IoT system?
What type of inputs should be included in the definition of IoT sensing?
What type of inputs should be included in the definition of IoT sensing?
What do sensors and devices containing them vary widely in terms of?
What do sensors and devices containing them vary widely in terms of?
Which component is required for stand-alone sensor assemblies using wireless communication?
Which component is required for stand-alone sensor assemblies using wireless communication?
What type of error is produced when digitizing analog values into a limited range of digital numbers?
What type of error is produced when digitizing analog values into a limited range of digital numbers?
What is the role of an analog-to-digital converter (ADC) circuit in the sensor data processing?
What is the role of an analog-to-digital converter (ADC) circuit in the sensor data processing?
What determines the accuracy of the result in the digitization of analog values?
What determines the accuracy of the result in the digitization of analog values?
What does the sampling frequency determine in the acquisition of fast-changing input signals?
What does the sampling frequency determine in the acquisition of fast-changing input signals?
What do raw transducer outputs typically come in the form of?
What do raw transducer outputs typically come in the form of?
What role does signal conditioning and amplification circuitry play in sensor data processing?
What role does signal conditioning and amplification circuitry play in sensor data processing?
What happens when continuous analog values are represented by a limited range of digital numbers?
What happens when continuous analog values are represented by a limited range of digital numbers?
What is necessary for analog signals to be brought to the appropriate system interface point for further processing?
What is necessary for analog signals to be brought to the appropriate system interface point for further processing?
What determines how many bits in the digital output code represent useful information in an ADC?
What determines how many bits in the digital output code represent useful information in an ADC?
What is needed for digital signal inputs to be read programmatically by the receiving entity?
What is needed for digital signal inputs to be read programmatically by the receiving entity?