Information technology plays an important role in medicine. For example a scanner takes a series of ...: ответ на тест 1006893 - Английский язык

Information technology plays an important role in medicine. For example, a scanner takes a series of pictures of the body by means of computerized axial tomography (CAT) or magnetic resonance imaging (MRI). A computer then combines the pictures to produce detailed three-dimensional images of the body’s organs. In addition, the MRI produces images that show changes in body chemistry and blood flow.
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Information technology plays an important role in …

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Information technology plays an important role in medicine. For example, a scanner takes a series of pictures of the body by means of computerized axial tomography (CAT) or magnetic resonance imaging (MRI). A computer then combines the pictures to produce detailed three-dimensional images of the body’s organs. In addition, the MRI produces images that show changes in body chemistry and blood flow.
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In the United Kingdom education system, information technology was formally integrated into the school curriculum when the National Curriculum was devised. It was quickly realized that the work covered was useful in all subjects. With the arrival of the Internet and the broadband connections to all schools, the application of IT knowledge, skills and understanding in all subjects became a reality. This change in emphasis has resulted in a change of name from Information Technology to Information and Communication Technology. ICT in education can be understood as the application of digital equipment to all aspects of teaching and learning. It is present in almost all schools and is of growing influence.
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Personal computers (or microcomputers) were made possible by two technical innovations in the field of microelectronics: the integrated circuit, or IС, which was developed in 1959 and the microprocessor that first appeared in 1971. The IС permitted the miniaturization of computer-memory circuits, and the microprocessor reduced the size of a computer’s CPU to the size of a single silicon chip.
Because a CPU calculates, performs logical operations, contains operating instructions, and manages data flows, a complete microcomputer as a separate system was designed and developed in 1974.
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Almost all Britain’s wheat crop is «winter wheat» which is sown in the autumn. Because of the dampness of the climate it is of the type known as «soft wheat», in contrast to the «hard wheat» produced in other countries, as the USA or Canada. Since bread made only from soft wheat is of lower quality and slightly grey in colour it is customary to use flour of which about 70 per cent has been made from «hard» imported wheat. Soft wheat, however, is excellent for making biscuits. About one-third of the wheat crop is normally used for flour milling, and about one-third for animal feed.
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Barley grows best under the same conditions as wheat. It is much more adaptable as far as soil, temperature and rainfall are concerned, and requires a shorter ripening period. That is why areas devoted to barley and wheat roughly coincide, but barley is also grown in cooler, more northerly districts of eastern Scotland and in moister regions in Ireland.
Barley is used principally for fodder (40 per cent). But a certain kind of barley is particularly suitable for the production of beer and whisky (15 per cent).
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