Foram encontradas 390 questões

Resolva questões gratuitamente!

Junte-se a mais de 4 milhões de concurseiros!

Q1924880 Inglês
Here’s why we’ll never be able to build a brain in a computer

It’s easy to equate brains and computers – they’re both thinking machines, after all. But the comparison doesn’t really stand up to closer inspection, as Dr. Lisa Feldman Barrett reveals.

People often describe the brain as a computer, as if neurons are like hardware and the mind is software. But this metaphor is deeply flawed.

A computer is built from static parts, whereas your brain constantly rewires itself as you age and learn. A computer stores information in files that are retrieved exactly, but brains don’t store information in any literal sense. Your memory is a constant construction of electrical pulses and swirling chemicals, and the same remembrance can be reassembled in different ways at different times.

Brains also do something critical that computers today can’t. A computer can be trained with thousands of photographs to recognise a dandelion as a plant with green leaves and yellow petals. You, however, can look at a dandelion and understand that in different situations it belongs to different categories. A dandelion in your vegetable garden is a weed, but in a bouquet from your child it’s a delightful flower. A dandelion in a salad is food, but people also consume dandelions as herbal medicine.

In other words, your brain effortlessly categorises objects by their function, not just their physical form. Some scientists believe that this incredible ability of the brain, called ad hoc category construction, may be fundamental to the way brains work.

Also, unlike a computer, your brain isn’t a bunch of parts in an empty case. Your brain inhabits a body, a complex web of systems that include over 600 muscles in motion, internal organs, a heart that pumps 7,500 litres of blood per day, and dozens of hormones and other chemicals, all of which must be coordinated, continually, to digest food, excrete waste, provide energy and fight illness.[…]

If we want a computer that thinks, feels, sees or acts like us, it must regulate a body – or something like a body – with a complex collection of systems that it must keep in balance to continue operating, and with sensations to keep that regulation in check. Today’s computers don’t work this way, but perhaps some engineers can come up with something that’s enough like a body to provide this necessary ingredient.

For now, ‘brain as computer’ remains just a metaphor. Metaphors can be wonderful for explaining complex topics in simple terms, but they fail when people treat the metaphor as an explanation. Metaphors provide the illusion of knowledge.

(Adapted from https://www.sciencefocus.com/future-technology/canwe-build-brain-computer/ Published: 24th October, 2021, retrieved on February 9th, 2022)
According to the author, explaining the brain as a computer is:
Alternativas
Q1924879 Inglês
Here’s why we’ll never be able to build a brain in a computer

It’s easy to equate brains and computers – they’re both thinking machines, after all. But the comparison doesn’t really stand up to closer inspection, as Dr. Lisa Feldman Barrett reveals.

People often describe the brain as a computer, as if neurons are like hardware and the mind is software. But this metaphor is deeply flawed.

A computer is built from static parts, whereas your brain constantly rewires itself as you age and learn. A computer stores information in files that are retrieved exactly, but brains don’t store information in any literal sense. Your memory is a constant construction of electrical pulses and swirling chemicals, and the same remembrance can be reassembled in different ways at different times.

Brains also do something critical that computers today can’t. A computer can be trained with thousands of photographs to recognise a dandelion as a plant with green leaves and yellow petals. You, however, can look at a dandelion and understand that in different situations it belongs to different categories. A dandelion in your vegetable garden is a weed, but in a bouquet from your child it’s a delightful flower. A dandelion in a salad is food, but people also consume dandelions as herbal medicine.

In other words, your brain effortlessly categorises objects by their function, not just their physical form. Some scientists believe that this incredible ability of the brain, called ad hoc category construction, may be fundamental to the way brains work.

Also, unlike a computer, your brain isn’t a bunch of parts in an empty case. Your brain inhabits a body, a complex web of systems that include over 600 muscles in motion, internal organs, a heart that pumps 7,500 litres of blood per day, and dozens of hormones and other chemicals, all of which must be coordinated, continually, to digest food, excrete waste, provide energy and fight illness.[…]

If we want a computer that thinks, feels, sees or acts like us, it must regulate a body – or something like a body – with a complex collection of systems that it must keep in balance to continue operating, and with sensations to keep that regulation in check. Today’s computers don’t work this way, but perhaps some engineers can come up with something that’s enough like a body to provide this necessary ingredient.

For now, ‘brain as computer’ remains just a metaphor. Metaphors can be wonderful for explaining complex topics in simple terms, but they fail when people treat the metaphor as an explanation. Metaphors provide the illusion of knowledge.

(Adapted from https://www.sciencefocus.com/future-technology/canwe-build-brain-computer/ Published: 24th October, 2021, retrieved on February 9th, 2022)
Based on the text, mark the statements below as TRUE (T) or FALSE (F).
( ) Unlike a computer, it is hard for our brain to classify objects according to a specific purpose.
( ) The author rules out the possibility that computers may emulate the human brain someday.
( ) The brain adapts as one both matures and becomes more knowledgeable.

The statements are, respectively: 
Alternativas
Q1924878 Inglês
Here’s why we’ll never be able to build a brain in a computer

It’s easy to equate brains and computers – they’re both thinking machines, after all. But the comparison doesn’t really stand up to closer inspection, as Dr. Lisa Feldman Barrett reveals.

People often describe the brain as a computer, as if neurons are like hardware and the mind is software. But this metaphor is deeply flawed.

A computer is built from static parts, whereas your brain constantly rewires itself as you age and learn. A computer stores information in files that are retrieved exactly, but brains don’t store information in any literal sense. Your memory is a constant construction of electrical pulses and swirling chemicals, and the same remembrance can be reassembled in different ways at different times.

Brains also do something critical that computers today can’t. A computer can be trained with thousands of photographs to recognise a dandelion as a plant with green leaves and yellow petals. You, however, can look at a dandelion and understand that in different situations it belongs to different categories. A dandelion in your vegetable garden is a weed, but in a bouquet from your child it’s a delightful flower. A dandelion in a salad is food, but people also consume dandelions as herbal medicine.

In other words, your brain effortlessly categorises objects by their function, not just their physical form. Some scientists believe that this incredible ability of the brain, called ad hoc category construction, may be fundamental to the way brains work.

Also, unlike a computer, your brain isn’t a bunch of parts in an empty case. Your brain inhabits a body, a complex web of systems that include over 600 muscles in motion, internal organs, a heart that pumps 7,500 litres of blood per day, and dozens of hormones and other chemicals, all of which must be coordinated, continually, to digest food, excrete waste, provide energy and fight illness.[…]

If we want a computer that thinks, feels, sees or acts like us, it must regulate a body – or something like a body – with a complex collection of systems that it must keep in balance to continue operating, and with sensations to keep that regulation in check. Today’s computers don’t work this way, but perhaps some engineers can come up with something that’s enough like a body to provide this necessary ingredient.

For now, ‘brain as computer’ remains just a metaphor. Metaphors can be wonderful for explaining complex topics in simple terms, but they fail when people treat the metaphor as an explanation. Metaphors provide the illusion of knowledge.

(Adapted from https://www.sciencefocus.com/future-technology/canwe-build-brain-computer/ Published: 24th October, 2021, retrieved on February 9th, 2022)
The title of the text implies that the author will:
Alternativas
Q1924874 Português
“Não há nada que demonstre tão bem a grandeza e a potência da inteligência humana, nem a superioridade e a nobreza do homem, como o fato de ele poder conhecer, compreender por completo e sentir fortemente a sua pequenez.” Os termos desse pensamento mostram paralelismo perfeito nos seguintes segmentos:
Alternativas
Q1924872 Português

“A arte de interrogar não é tão fácil como se pensa. É mais uma arte de mestres do que discípulos; é preciso já ter aprendido muitas coisas para saber perguntar o que não se sabe.”

A frase abaixo que mostra uma interrogação, ainda que indireta, é:

Alternativas
Q1924870 Português
“Todos aqueles que devem deliberar sobre quaisquer questões devem manter-se imunes ao ódio e à simpatia, à ira e ao sentimentalismo.” Tratando-se de um pensamento dirigido àqueles que julgam, o seu autor recomenda que eles:
Alternativas
Q1924869 Português
“Quando se julga por indução e sem o necessário conhecimento dos fatos, às vezes chega-se a ser injusto até mesmo com os malfeitores.” O raciocínio abaixo que deve ser considerado como indutivo é:
Alternativas
Q1924868 Português
“Justiça é consciência, não uma consciência pessoal, mas a consciência de toda a humanidade. Aqueles que reconhecem claramente a voz de suas próprias consciências normalmente reconhecem também a voz da justiça.” (Alexander Solzhenitsyn) A afirmação que está de acordo com a estruturação e a significação desse pensamento é:
Alternativas
Q1014893 Programação
As unidades de medida usadas em CSS para ajudar na responsividade dos sites, que especificam medidas relativas a 1% da largura e 1% da altura da janela do navegador (viewport), são, respectivamente,
Alternativas
Q1014892 Programação
Alternativas
Q1014890 Programação

Ataques Cross-Site Scripting (XSS) muitas vezes usam caracteres especiais em campos de formulário para acessar áreas restritas do site. Para evitar esse tipo de ataque, um programador PHP recebeu o login de um usuário, digitado em um campo de formulário, da seguinte forma.


$login = filter_input(INPUT_POST, 'login', __I__);


Considerando que no campo login do formulário foi digitado <comando> , para que os sinais de < (menor) e > (maior) sejam trocados por suas respectivas referências de nome de entidade, ficando no formato &lt;comando&gt;, a lacuna I deverá ser preenchida corretamente por

Alternativas
Q1014889 Programação

Considere o fragmento de programa JavaScript abaixo.


var str = "123456789";

var p = /[^5-7]/g;

var resultado = str.match(p);


A variável resultado vai conter

Alternativas
Q1014887 Banco de Dados
Infringe a terceira forma normal uma entidade na qual haja a presença de um atributo
Alternativas
Q1014886 Banco de Dados
Utilizando operações típicas de On-line Analytical Processing − OLAP, um Analista pretende obter dados para análise bimestral dos processos da cidade de Porto Alegre. Considerando que essa busca implica obter um nível maior de detalhe, uma vez que foca em um bimestre de uma dada cidade e não em um ano de todo o estado, por exemplo, a operação OLAP ideal para ser utilizada é
Alternativas
Q1014885 Banco de Dados
Em um banco de dados há duas entidades: Processo(idProcesso é PK) e Advogado (idAdvogado é PK). Um advogado pode trabalhar em vários processos diferentes e cada processo pode ter diversos advogados. Tal característica permite concluir que as entidades Processo e Advogado estabelecem uma relação n:m e, por isso,
Alternativas
Q1014884 Banco de Dados
Uma Analista digitou o comando TRUNCATE TABLE processos; em um banco de dados SQL aberto em condições ideais para
Alternativas
Q1014883 Banco de Dados
Em uma tabela chamada itemfatura há diversos registros em que constam o mesmo valor no campo idfatura. Para mostrar a quantidade de valores de idfatura diferentes que estão cadastrados na tabela, utiliza-se o comando
Alternativas
Q1014882 Governança de TI
Suponha que um Analista do Tribunal Regional Federal da 4ª Região – TRF4 esteja atuando na gestão da melhoria contínua de serviços. A fim de executar uma gestão que garanta o sucesso, a manutenção e a evolução positiva das melhorias conquistadas, ele vem realizando periodicamente uma atividade que deve ser praticada constantemente na ITIL v3. Essa atividade, que aborda o estudo e meios de prevenção das ameaças e oportunidades externas, bem como a verificação de medidas corretivas possíveis dos pontos fortes e fracos internos do Tribunal, é conhecida como
Alternativas
Q1014881 Governança de TI
A fim de realizar alguns testes para preparar um relatório gerencial, um Analista necessitava obter informações e mídias físicas contendo os itens de configuração de alguns softwares, bem como suas licenças e documentação, cuja fonte fosse uma versão definitiva, autorizada e estivesse armazenada de modo seguro. Conhecedor da ITIL v3 adotada na organização, ele localizou facilmente essas informações em um ambiente específico denominado
Alternativas
Q1014880 Engenharia de Software
Um Analista necessita desenvolver uma aplicação chatbot que simula um ser humano na conversação com as pessoas. Para isso o Analista deve usar pesquisa em Processamento de Linguagem Natural – PLN que envolve três aspectos da comunicação, quais sejam,
Alternativas
Respostas
161: A
162: D
163: C
164: C
165: C
166: B
167: E
168: D
169: C
170: B
171: C
172: A
173: D
174: C
175: B
176: A
177: D
178: D
179: A
180: A