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Analise as seguintes afirmações relacionadas a conceitos básicos sobre hardware, software e Sistema Operacional Windows 2000.
I. O USB (Universal Serial Bus, barramento serial universal) é um barramento que dá suporte à instalação Plug and Play. Usando o USB pode-se conectar e desconectar dispositivos sem desligar ou reiniciar o computador. É possível usar uma única porta USB para conectar vários dispositivos periféricos.
II. Um Driver de Dispositivo é um programa que permite que um dispositivo, como uma placa de rede, se comunique com o Sistema Operacional. Para os dispositivos ativados no Sistema Operacional, os drivers de dispositivo são carregados automaticamente quando o computador é inicializado.
III. A memória em um computador é organizada em uma hierarquia que, considerando-se o tempo de acesso da mais rápida para a mais lenta, é ordenada como: Memória principal; Registradores; Cache; Armazenamento secundário em discos rígidos(HD); Armazenamento secundário em unidades de rede compartilhadas; Armazenamento secundário que utilizam acesso USB; Armazenamento secundário em CD-ROM e Armazenamento off-line(fitas).
IV. Com relação à memória de acesso aleatório (Random Access Memory - RAM), o termo "aleatório" significa que o processador, ao buscar um dado, deve varrer aleatoriamente todas as células de memória existentes no computador, até encontrar o dado desejado.
Indique a opção que contenha todas as afirmações verdadeiras.
prosperity” in order to answer questions 28 to 30.
The perils of prosperity
Source: The Economist
April 27th 2006 (Adapted)
Midway through the first decade of the 21st century,
economic growth is pulling millions out of poverty. Growth,
so devoutly desired yet often so elusive for developing
countries, is occurring in China and India on a heroic scale.
Yet once affluence is achieved, its value is often questioned.
In the 1960s and 1970s, economists started worrying about
environmental and social limits to growth. Now Avner Offer,
professor of economic history at Oxford University, has
added a weighty new critique to this tradition.
“The Challenge of Affluence” accepts that the
populations of poor countries gain from growth, but says
that the main benefits of prosperity are achieved at quite
modest levels. Its central thesis is that rising living standards
in Britain and America have engendered impatience, which
undermines well-being. The fruits of affluence are bitter
ones, and include addiction, obesity, family breakdown and
mental disorders.
prosperity” in order to answer questions 28 to 30.
The perils of prosperity
Source: The Economist
April 27th 2006 (Adapted)
Midway through the first decade of the 21st century,
economic growth is pulling millions out of poverty. Growth,
so devoutly desired yet often so elusive for developing
countries, is occurring in China and India on a heroic scale.
Yet once affluence is achieved, its value is often questioned.
In the 1960s and 1970s, economists started worrying about
environmental and social limits to growth. Now Avner Offer,
professor of economic history at Oxford University, has
added a weighty new critique to this tradition.
“The Challenge of Affluence” accepts that the
populations of poor countries gain from growth, but says
that the main benefits of prosperity are achieved at quite
modest levels. Its central thesis is that rising living standards
in Britain and America have engendered impatience, which
undermines well-being. The fruits of affluence are bitter
ones, and include addiction, obesity, family breakdown and
mental disorders.
prosperity” in order to answer questions 28 to 30.
The perils of prosperity
Source: The Economist
April 27th 2006 (Adapted)
Midway through the first decade of the 21st century,
economic growth is pulling millions out of poverty. Growth,
so devoutly desired yet often so elusive for developing
countries, is occurring in China and India on a heroic scale.
Yet once affluence is achieved, its value is often questioned.
In the 1960s and 1970s, economists started worrying about
environmental and social limits to growth. Now Avner Offer,
professor of economic history at Oxford University, has
added a weighty new critique to this tradition.
“The Challenge of Affluence” accepts that the
populations of poor countries gain from growth, but says
that the main benefits of prosperity are achieved at quite
modest levels. Its central thesis is that rising living standards
in Britain and America have engendered impatience, which
undermines well-being. The fruits of affluence are bitter
ones, and include addiction, obesity, family breakdown and
mental disorders.
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