The expansion of information technology. Information technology is expanding rapidly. Ability to work at the same time, they increased the price. Its application has so far said that information technology has involved humans, not everyone, either directly, indirectly. For example, the United States has changed noticeably in the past, the United States is a country agriculture. Agricultural productivity is a major item. Later, Changes in the structure of industrial production of the country. The quantity of an item in each of the contribution the industry grew rapidly, and in the present structure of the United States, focuses on business services and information technology, which is widely used. Make the proportion of agricultural production fell less than 5% of all industrial products section, it is worth less than the service industries, which use the information as well as news and information technology. If you look at pictures on the computer and communication systems of the world. The current value of the item, technology has been rapid expansion in which developed countries, 10 countries with a proportion using computers as much as over 90% of consumption. Computers around the world. Top 10 developed countries, including United States Canada France Germany Japan Switzerland Netherlands Denmark, England and South Africa. If the manufacturer's product information technology found that the country of origin to export sales, with only a few countries. Most of these countries have their own technology with research and development free searchable items to progress at all times. The progress of computer and communication tools to make devices smaller, but can be increased and the price until people interested can buy. They have said that the role of information technology will participate in every home. Because of the various facilities and appliances, which are the components of the computer and communications systems as well.ปัจจุบันคอมพิวเตอร์และระบบสื่อสารได้สร้างประโยชน์ อย่างใ
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