Questões de Vestibular Inatel 2019 para Vestibular, Julho
Foram encontradas 10 questões
Q1386886
Inglês
Texto associado
Should we relax about screen time?
The UK government's plans for regulation of the internet and social media contained a long list of online
harms. Among them was excessive screen use by teenagers.
On the Tech Tent podcast this week, we ask whether there is
convincing evidence that spending hours staring at smartphones
and other screens is damaging the mental health of young people.
f you read news headlines - or indeed the government's Online
Harms White Paper - you might think that the case against screen
time was a no-brainer.
But this week, a study by the Oxford Internet Institute suggested
that it had little obvious effect on the mental wellbeing of
teenagers, even if they were spending hours staring at screens at bedtime.
"We look at general wellbeing," one of the researchers, Amy Orben, tells us. "We do not find a relationship
between digital screen use 30 minutes, one hour and two hours before bed and a decrease in wellbeing."
The research examined data from more than 17,000 teenagers in the UK, Ireland and the United States
Source: www.bbc.com/news/technology-47910524
“If you read news headlines or indeed the government’s Online Harms White Paper […] (Discourse
Marker)
Q1386887
Inglês
Texto associado
Researchers create first sensor package that can ride aboard bees.
Researchers at the University of Washington have created a sensor package
that is small enough to ride aboard a bumblebee.
Farmers can already use drones to soar over huge fields and monitor
temperature, humidity or crop health. But these machines need so much
power to fly that they can’t get very far without needing a charge.
Now, engineers at the University of Washington have created a sensing
system that is small enough to ride aboard a bumblebee. Because insects can fly on their own, the package
requires only a tiny rechargeable battery that could last for seven hours of flight and then charge while the bees
are in their hive at night.
“Drones can fly for maybe 10 or 20 minutes before they need to charge again, whereas our bees can collect
data for hours,” said senior author Shyam Gollakota, an associate professor in the UW’s Paul G. Allen School
of Computer Science & Engineering. “We showed for the first time that it’s possible to actually do all this
computation and sensing using insects in lieu of drones.”
Source: www.washington-edu/news/2018/12/11/sensor-bees/
The advantages of using a sensing system are… (Except - Text Comprehension)
Q1386888
Inglês
[…]”requires only a tiny battery” […] (Synonym)
Q1386889
Inglês
“We showed for the first time that it’s possible to do all this computation and sensing using
insects in lieu of drones.” (Context Word Meaning)
Q1386890
Inglês
[…] “whereas our bees can collect data for hours […] (Singular Form)