Thermoelectric Energy Harvester and Wireless Sensor Networks Quiz

Play an AI-generated podcast conversation about this lesson

What is the method used to convert solar/light energy into electric energy in a Wireless Sensor Network?

Photovoltaic Effect (correct)

Alternator Principle

Electromagnetic Induction

Thermoelectric Energy Harvesting

How is electric current induced in a wire according to the text?

By moving a wire/coil inside a magnetic field (correct)

By rotating a coil of wire

By using a variable resistance transducer

By exposing the wire to light

Which type of generator is produced when electricity is generated by rotating a magnet inside a coil of wire?

Thermoelectric Generator

Photovoltaic Cell

Variable Resistance Transducer

Alternator (correct)

What is the main source of heat used in a Thermoelectric Generator (TEG) according to the text?

Solar Energy Signup and view all the answers

Which effect is used to harvest electromagnetic energy by inducing electric current in a wire?

Electromagnetic Effect Signup and view all the answers

What is the most commonly used type of transducer according to the text?

Variable Resistance Transducer Signup and view all the answers

What is the purpose of the Sensing Subsystem in a node architecture for wireless sensor networks?

Integrating sensors based on the application's requirements Signup and view all the answers

What is the primary function of an ADC in the node architecture's Sensing Subsystem?

Quantizing analog signals Signup and view all the answers

In the process of ADC conversion, what does the resolution of the ADC represent?

The number of bits used to encode the digital output Signup and view all the answers

Why does the Nyquist rate alone not suffice in ADC conversion?

Due to noise and transmission error Signup and view all the answers

What influences the allowable discrete values in quantizing an analog signal by an ADC?

Frequency and magnitude of the signal Signup and view all the answers

What is the second step involved in converting an analog signal to a digital signal using an ADC?

Sampling frequency determination Signup and view all the answers

What is one of the challenges in Wireless Sensor Networks due to multi-hop communication?

Increased latency Signup and view all the answers

What is one strategy mentioned in the text for Adaptive Duty Cycling in Wireless Sensor Networks?

Not allowing all nodes to sleep simultaneously Signup and view all the answers

How do Power Conservation Policies in Wireless Sensor Networks help conserve energy?

By switching off radios when not in use Signup and view all the answers

Why is decentralized management preferred over centralized management in Wireless Sensor Networks despite potential performance differences?

Due to large-scale networks and energy constraints Signup and view all the answers

In Wireless Sensor Networks, what is the purpose of using tow radios for Wake-up and demand Duty Cycling?

To use a low-power radio for receiving wakeup calls and a high-power radio for responses Signup and view all the answers

Why is node cooperation required for efficient routing in Wireless Sensor Networks with multi-hop communication?

To identify optimal routes and act as relays for data transmission Signup and view all the answers

Which scheduling algorithm is designed for time-sharing systems?

Round Robin Scheduling Signup and view all the answers

What is the main difference between Round Robin and FCFS Scheduling?

Preemption in Round Robin Signup and view all the answers

What is the purpose of a time quantum in Round Robin Scheduling?

To allocate a fixed time to each process Signup and view all the answers

What characteristic of Round Robin Scheduling makes it suitable for real-time processing?

Preemption Signup and view all the answers

Why is Round Robin Scheduling considered a fair algorithm for CPU allocation?

All processes get an equal share of CPU Signup and view all the answers

Which scheduling algorithm responds to events within a specific time limit?

Round Robin Scheduling Signup and view all the answers

What is one reason why it may be necessary to reprogram a wireless sensor network after deployment?

To make sure the network performs optimally Signup and view all the answers

Why is manual replacement not a feasible option for reprogramming a deployed wireless sensor network?

Manual replacement can introduce new bugs Signup and view all the answers

What is one key requirement for an operating system to support dynamic reprogramming of a wireless sensor network?

The capability to store updates in memory Signup and view all the answers

Why is it important for an operating system to ensure that the updated software is indeed an updated version?

To minimize the number of bugs introduced during updating Signup and view all the answers

What role does the clear separation between the application and the operating system play in dynamic reprogramming?

It helps in providing dynamic reprogramming support Signup and view all the answers

Why do existing operating systems not provide support for collaborating with each other according to the text?

Existing systems do not offer the necessary support Signup and view all the answers