Вопрос № 857144 - Английский язык

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PCs, or personal computers, are a part of our lives. 1_______. Back then, computers for the home were usually called “microcomputers”. Initially, many people didn’t understand what they were for, because it was more difficult to do a simple calculation on a microcomputer than it was on a calculator!
2_______. There were many different models, made by different companies. 3_______. Home computers had far less power and memory than computers today, so what you could do on them was extremely limited. 4_______. Of course, the Internet didn’t exist back then, so computers weren’t used to send e-mails or look at websites.

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Today, most computer users buy, download, or share programs like Microsoft Word and Excel. 1_______. Most people see their computers as tools that help them do jobs, rather than complex electronic machines they have to pre-program – and that’s just as well, because most of us have better things to do than computer programming. 2_______. In other words, although we don’t really think of it this way, the computer can be reprogrammed as many times as you like. This is why programs are also called software. 3_______. By contrast, a computer’s hardware – the bits and pieces from which it is made (and the peripherals, like the mouse and printer, you plug into it) – is pretty much fixed when you buy it. 4_______. That computers can do so many different jobs is what makes them so useful – and that’s why millions of us can no longer live without them!

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Some people say that computers are dangerous, but I don’t agree with them.
1_______. They seldom make mistakes. 2_______.
On-line shopping makes it possible to find exactly what you want at the best price, saving both time and money.
E-mail is a great invention, too. 3_______.
All in all, I strongly believe that computers are a useful tool. They have changed our life for the better. 4_______?

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1_______. Psychologists now recognize Internet Addiction Syndrome (IAS) as a new illness that could cause serious problems and ruin many lives.
IAS is similar to other problems like gambling, smoking and drinking. 2_______. They need to use it first thing in the morning. They lie to their parents and partners about how much time they spend online. 3_______.
Many users spend up to 40 hours a week on the Internet. 4_______.

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Laptops, or notebook computers as they are also known, have become smaller and lighter in recent years. 1_______. The smaller and lighter they are, the easier they are to carry.
However, as PCs have become more powerful in terms of memory, so have laptops. 2_______.
So what are the disadvantages of laptops? 3_______. Because of a laptop’s size, its keyboard is often more difficult to type on than a regular keyboard. The screen is often quite small, too. 4_______. Although this was a major disadvantage a few years ago, the invention of memory sticks, which serve the same purpose as CD-ROMs, has basically solved that problem.

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Edinburgh-born scientist Alexander Graham Bell patented his invention of the telephone in eighteen seventy-six. The following year, the great American inventor Thomas Edison produced the first working telephone. With telephones soon becoming rapidly available, the days of letter-writing became numbered.
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The telephone was invented in …