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Вопрос № 627091 - Английский язык

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What invention inspired the development of computerized information systems?
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  • The World Wide Web inspired the development of computerized information systems.
  • The portable typewriter inspired the development of computerized information systems.
  • UNIVAC 1 greatly inspired the development of computerized information systems.
  • Hollerith’s census tabulator inspired the development of computerized information systems.
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Вопрос задал(а): Анонимный пользователь, 12 Ноябрь 2020 в 20:33
На вопрос ответил(а): Анастасия Степанова, 12 Ноябрь 2020 в 20:33

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Вопрос № 893210

Прочитайте текст и выполните задания.
Fiber-optic communication
1. In fiber-optic communications information is transmitted by sending light through optical fibers. The light forms an electromagnetic carrier wave that is modulated to carry information. First developed in the 1970s, fiber-optic communication systems have revolutionized the telecommunications industry and have played a major role in the advent of the Information Age.
2. Optical fiber is used by many telecommunications companies to transmit telephone signals, Internet communication, and cable television signals. Due to much lower attenuation and interference, optical fiber has large advantages over existing copper wire in long-distance and high-demand applications. However, infrastructure development within cities was relatively difficult and time-consuming, and fiber-optic systems were complex and expensive to install and operate.
3. Due to these difficulties, fiber-optic communication systems have primarily been installed in long-distance applications, where they can be used to their full transmission capacity, offsetting the increased cost. Since 2000, the prices for fiber-optic communications have dropped considerably.
Ответьте на вопрос
What is the principle of information transmission with fiber-optic communications?
Information transmission through optical fiber is more advantageous in comparison with existing copper wire.
In long-distance applications fiber-optic communication systems are used to their full transmission capacity.
Internet communication is possible due to application of optical fiber in information transmission.
The light sent through optical fibers forms an electromagnetic carrier wave that is modulated to carry information.

Вопрос № 922953

Прочитайте текст и выполните задания.
Fiber-optic communication
1. In fiber-optic communications information is transmitted by sending light through optical fibers. The light forms an electromagnetic carrier wave that is modulated to carry information. First developed in the 1970s, fiber-optic communication systems have revolutionized the telecommunications industry and have played a major role in the advent of the Information Age.
2. Optical fiber is used by many telecommunications companies to transmit telephone signals, Internet communication, and cable television signals. Due to much lower attenuation and interference, optical fiber has large advantages over existing copper wire in long-distance and high-demand applications. However, infrastructure development within cities was relatively difficult and time-consuming, and fiber-optic systems were complex and expensive to install and operate.
3. Due to these difficulties, fiber-optic communication systems have primarily been installed in long-distance applications, where they can be used to their full transmission capacity, offsetting the increased cost. Since 2000, the prices for fiber-optic communications have dropped considerably.
Ответьте на вопрос
What is the principle of information transmission with fiber-optic communications?
Internet communication is possible due to application of optical fiber in information transmission.
Information transmission through optical fiber is more advantageous in comparison with existing copper wire.  
In long-distance applications fiber-optic communication systems are used to their full transmission capacity.
The light sent through optical fibers forms an electromagnetic carrier wave that is modulated to carry information.

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Вопрос № 627092

Ответьте на вопрос
What is the relationship between the Internet and the Web?
The Internet runs over the Web.
The Internet is a subnet of the Web.
The Internet and the Web are equal.
The Web is a subnet of the Internet.

Вопрос № 627093

To receive consecutive issues of a newspaper or magazine for a given period of time you have to get a(n) _______.
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Вопрос № 627094

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Вопрос № 627095

Book and magazine publishers often use their _______ to review or select manuscripts or articles, and sometimes to check facts.
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