The text deals with a short circuit situation in electric circuits. It is known that the electric current sharply raises when two or more wires with different electric potential are connected. It should be noted that a short circuit may be very damaging for the equipment involved. It is reported that a short circuit may cause a fire. Much attention should be paid to the diameter of connecting wires that can be heavily overloaded. It is stressed that fuses or other means of protection should be used in any circuit where a short circuit situation may occurr. Thus, all possible measures should be taken to avoid a short circuit.
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Объяснение:
1 - It is known that thanks to Internet it is now possible for people to communicate with one another over the World in fast and cheap way.
2 - It should be noted that on beginning the Department of Defence in USA wanted an extremely safe way of sending message in case of nuclear attack. Thus the Internet was first invented as an internal project to link computers for common safety.
3 - It is reported that British physicist, Sir Timothy Berners-Lee, designed and build the first site browser and editor, as well as the first web server HTTPD. We can click a hypertext which contains a chains of words and the system will link to site which contain the related words.
4 - Much attention paid to a question how does the global system work via telephone lines which are connected to computers.
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