Smart Environment and Ubiquitous Computing

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What is the main concept behind a Smart Environment as described in the text?

Adding smart elements to non-smart things (correct)

Having one computer per person

Moore’s Law and the doubling of transistors

Making computers networked, distributed, and transparently accessible

According to Marc Weiser's vision, what should computers be able to do in a Smart Environment?

Have one computer per person

Be aware of environment context (correct)

Operate autonomously

Double the number of transistors every 18 months

What does the term 'Ubiquitous' mean in the context of Smart Environments?

Transparently accessible

Pervasive (correct)

Operating autonomously

Having one computer per person

Which of Marc Weiser's commandments emphasizes the need for less interfaces and wireless communication in Smart Environments?

Computer interaction with Humans needs to be hidden Signup and view all the answers

Which concept shows that the idea of having devices everywhere around us has overtaken the concept of having one computer per person?

Marc Weiser’s 3 Waves of Computing Signup and view all the answers

What is the significance of wireless communication in the context of Smart Environments?

Facilitating communication between computers and people Signup and view all the answers

What is the main purpose of sensing in a wireless sensor network (WSN)?

To measure and quantify elements of a real event Signup and view all the answers

Which of the following is a limitation of Wireless Sensor Networks (WSN)?

Low processing power Signup and view all the answers

What are the types of materials used for sensing in sensor nodes?

Physical, Chemical, Biological Signup and view all the answers

What components are included in sensor nodes?

Integrated circuitry, Radio, Analog to Digital converter Signup and view all the answers

What are the characteristics of sensor nodes in Wireless Sensor Networks (WSN)?

Large amount of nodes, Battery powered, Changes in density, In-network data processing Signup and view all the answers

What are the main challenges associated with Wireless Sensor Networks (WSN)?

Noisy data, Uncertain wireless channels, Energy envelopes, Durability/reliability Signup and view all the answers

What is a factor that limits wireless channels for sensors?

Link contention Signup and view all the answers

In the context of sensors, what is the main advantage of energy harvesting?

Provides constant and reliable energy Signup and view all the answers

What environmental factor needs to be considered for sensors likely to operate outside?

Corrosive materials Signup and view all the answers

What is the focus of dedicated sensors in the context of wireless sensors?

Only one type of sensing, like detecting temperature Signup and view all the answers

What is the concept of opportunistic sensing in the context of smartphones?

Accessing a user's phone without them knowing to collect data Signup and view all the answers

What is the primary advantage of participatory sensing over opportunistic sensing?

Obtaining data with user consent Signup and view all the answers

Why are wireless sensors considered a viable option today?

Decreasing size and price of sensors Signup and view all the answers

Which option describes the act of remote powering in the context of sensor technology?

Charging through radio transmission while only transmitting during charging Signup and view all the answers

What is the primary goal of protocols considering the imprecision of sensors like GPS?

Optimizing link contention for better data transmission Signup and view all the answers

What is a significant downside of using dedicated sensors for every type of sensing?

Limited flexibility and adaptability for new functions or measurements Signup and view all the answers