Questões de Concurso Comentadas sobre noções de informática para tce-sp

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No que se refere a software antivírus, considere:    I. ajuda a proteger seu computador contra a maioria dos vírus, worms, cavalos de Tróia e outros invasores indesejados que podem tomar ações mal-intencionadas, tais como, excluir arquivos, acessar dados pessoais ou usar o computador para atacar outros.    II. ajuda a manter o computador seguro, desde que seja atualizado periodicamente e de preferência no modo offline e com monitoração do usuário.    III. Se já existir um software antivírus instalado no computador e um outro antivírus for instalado, não acarretará conflitos e o sistema estará duplamente protegido, pois o que um não detectar o outro poderá fazê-lo.   IV. A verificação "durante o acesso" ou em "tempo real" deve estar habilitada e também monitorada pelo ícone existente na área de notificação da barra  de tarefas com a exibição de status habilitado/desabilitado.
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Instruções: Para responder a questão, considere o texto abaixo.

Is Windows 7 Worth It?

Harry McCracken, PC World

Monday, October 19, 2009 10:00 AM PDT

    Reading about a new operating system can tell you only so much about it: After all, Windows Vista had far more features than XP, [CONJUNCTION] fell far short of it in the eyes of many users. To judge an OS accurately, you have to live with it. Over the past ten months, I've spent a substantial percentage of my computing life in Windows 7, starting with a preliminary version and culminating in recent weeks with the final Release to Manufacturing edition. I've run it on systems ranging from an underpowered Asus EeePC 1000HE netbook to a potent HP TouchSmart all-in-one. And I've used it to do real work, not lab routines. Usually, I've run the OS in multiboot configurations with Windows Vista and/or XP, so I've had a choice each time I turned the computer on: [MODAL] I opt for Windows 7 or an older version of the OS? The call has been easy to make, because Win 7 is so pleasant to use. 

     So why wouldn't you want to run this operating system? Concern over its performance is one logical reason, especially since early versions of Windows Vista managed to turn PCs that ran XP with ease into lethargic underperformers. The PC World Test Center's speed benchmarks on five test PCs showed Windows 7 to be faster than Vista, but only by a little; I've found it to be reasonably quick on every computer I've used it on – even the Asus netbook, once I upgraded it to 2GB of RAM. (Our lab tried Win 7 on a Lenovo S10 netbook with 1GB of RAM and found it to be a shade slower than XP; for details see "Windows 7 Performance Tests.").

     Here's a rule of thumb that errs on the side of caution: If your PC's specs qualify it to run Vista, get Windows 7; if they don't, avoid it. Microsoft's official hardware configuration requirements for Windows 7 are nearly identical to those it recommends for Windows Vista: a 1-GHz CPU, 1GB of RAM, 16GB of free disk space, and a DirectX 9-compatible graphics device with a WDDM 1.0 or higher driver. That's for the 32-bit version of Windows 7; the 64-bit version of the OS requires a 64-bit CPU, 2GB of RAM, and 20GB of disk space.

     Fear of incompatible hardware and software is another understandable reason to be wary of Windows 7. One unfortunate law of operating-system upgrades – which applies equally to Macs and to Windows PCs – is that they will break some systems and applications, especially at first.

     Under the hood, Windows 7 isn't radically different from Vista. That's a plus, since it should greatly reduce the volume of difficulties relating to drivers and apps compared to Vista's bumpy rollout. I have performed a half-dozen Windows 7 upgrades, and most of them went off without a hitch. The gnarliest problem arose when I had to track down a graphics driver for Dell's XPS M1330 laptop on my own - Windows 7 installed a generic VGA driver that couldn't run the Aero user interface, and as a result failed to support new Windows 7 features such as thumbnail views in the Taskbar.

    The best way to reduce your odds of running into a showstopping problem with Windows 7 is to bide your time. When the new operating system arrives on October 22, sit back and let the earliest adopters discover the worst snafus. Within a few weeks, Microsoft and other software and hardware companies will have fixed most of them, and your chances of a happy migration to Win 7 will be much higher. If you want to be really conservative, hold off on moving to Win 7 until you're ready to buy a PC that's designed to run it well.

    Waiting a bit before making the leap makes sense; waiting forever does not. Microsoft took far too long to come up with a satisfactory replacement for Windows XP. But whether you choose to install Windows 7 on your current systems or get it on the next new PC you buy, you'll find that it's the unassuming, thoroughly practical upgrade you've been waiting for − flaws and all.

(Adapted from http://www.pcworld.com/article/172602/windows_7_review.html)

Segundo o texto, o Windows Vista

Os programas de navegação pela Internet disponibilizam atualmente o recurso de navegação denominada anônima, ou privada, ou InPrivate, dependendo do navegador. Quando se utiliza esse modo de navegação,

Nos acessos à Internet, é normalmente possível identificar o tipo de serviço e a área de atuação do provedor do serviço por meio do URL. Por exemplo, considerando o seguinte URL: https://mail.google.com, é correto afirmar que o serviço é de acesso