Найдите в тексте эквиваленты следующих сочетаний: крупномасштабная цифровая система; система обработки данных; система цифровой связи; наиболее широко распространенные схемы; логические схемы; решать научные проблемы; выполнять числовые вычисления; интерпретировать команды; приводить в действие переключатели; выполнять команды; нуждаться (требовать) в необходимом устройстве ввода-вывода; введение чисел и команд; считывание конечных результатов; передавать команду в центральный процессор; в ответ на; хранение частичных результатов; позволить введение новых данных; свободное место в памяти. it should be noticed that even in a large-scale digital system, such as in a computer, or in a data-processing, control or digital-communication system, there are only a few basic operations which must be performed. these operations may be operated many times. the four circuits most commonly employed in such systems are known as the or, and, not and flip-flop. they are called logic gates or circuits. an electronic digital computer is a system which processes and stores very large amount of data and which solves scientific problems of numerical computations of such complexity and with such speed that solution by human calculation is not feasible. so the computer as a system can perform numerical computations and follow instructions with extreme speed but it cannot program itself. \\fe know that the numbers and the instructions which form the program, the computer is to follow, are stored in an essential part of the computer called the memory. the second important unit of the computer is the control whose function is to interpret orders. the control must convert the command into an appropriate set of voltages to operate switches and carry out the instructions conveyed by the order. the third basic element of a computer is the arithmetic device, which contains the circuits performing the arithmetic computations: addition, subtraction, etc. the control and arithmetic components are called the central processor. finally a computer requires appropriate input-output devices for inserting numbers and orders into the memory and for reading the final result. suppose a command to perform an addition or division has been transmitted to the central processor. in response to this order the control must select the correct operands from the memory, transmit them to the arithmetic unit and return to the memory the result of the computation. the memory serves for storing not only the original input data, but also the partial results which will have to be used again as the computation proceeds. lastly, if the computation doesn't stop with the execution of this instruction and the storage of the partial result, the control unit must automatically pass on to the next instruction. the connection of the control unit back to the input permits insertion of more data when there is room in the memory.
The 2000s were marked by significant economic growth in Asian countries, especially in China and India (by analogy with the previous "American century", the XXI century is considered the "Asian century"). Economic growth was accompanied by a rise in oil prices, which reached their all-time high in July 2008. At the same time, the crisis that began in the United States associated with an avalanche-like increase in loan defaults provoked a global recession in 2008.
After the unprecedented scale of the terrorist attacks of September 11, 2001 in the United States, the American government declared the so-called. "War on terrorism", in which the wars began in Afghanistan (2001) and Iraq (2003). Conflicts continued in the Middle East, Africa, Latin America and the post-Soviet space. The disintegration of Yugoslavia is over. The expansion of NATO continued, in 2001 the Shanghai Cooperation Organization was established.
There was a widespread introduction of digital technologies: the development of the Internet and a significant increase in its role in society, the spread of mobile phones, digital cameras, the emergence of the Blu-ray format. Construction of the ISS continued. In 2001, the Mir orbital station was flooded. The geography of the "space club" expanded: in 2003, China launched its first cosmonaut into space, and in 2009, Iran launched its first satellite.
As indicated in 2014 by the World Meteorological Organization (WMO), the 2000s were the warmest in the history of meteorological observations.