Вопрос № 605279 - Английский язык

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Peripheral devices are categorized as input/output (I/O) devices since the functions they perform provide information (input) to the computer, accept information (output) from the computer, or do both. Line printers are output devices because they perform only output operations. Terminals and storage devices are input/output devices because they perform both input and output operations.
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Line printers are output devices because ______________________.

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Computer systems can be discussed in two parts: hardware and software. The hardware is physical, electronic, and electro-mechanical devices. The hardware consists of Central Processing Unit (CPU), input devices and output devices. Input devices are used to provide data for the CPU. The keyboard is a common data input device. Data is sometimes entered on cards. The cards are read by an input device called a card reader. Output devices receive data from the CPU. The visual display unit (VDU) and printers are common output devices. Input devices, output devices and mass storage devices are collectively called Input-Output Devices, or peripherals. The software contains the programmes that control and coordinate the activities of the computer hardware and direct the processing of data.
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The cards are read by an input device called …

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A disk is a data storage medium consisting of a flat, circular, magnetic surface on which information can be recorded. 1_________________________________. These already contain information and programs, and are ready to use.
2______________________________. But these disks must be formatted before they can be used.
3______________________________. This means you can read from but not write to the disk, making it impossible to write accidentally over information. 4_______________________________.

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1 _______. There wild cats were tamed and trained to keep down the rats and the mice in the well-stocked granaries.
2 _______. It was certainly many thousands of years ago, and the experts agree that the dog was probably a member of the wolf tribe.
The original goldfish were natives of China and are members of the carp family.
3 _______.
The guinea-pig is a native of South Africa. It was domesticated by the Indians long before the Spanish Conquest. 4 _______.

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The Sahara Desert in Africa is very dry. 1 _______. It is true that clouds pass over those areas and actually drop rain but the rain never touches the ground. The heat of the desert air evaporates the moisture as it falls.
2 _______. Scientists explain this phenomenon in the following way: spawn is sucked up into the air from the lakes and rivers by whirlwinds. They are very light and are carried through the air for great distances. 3 _______.Then they hatch in the air. When the wind loses its force the small animals are dropped to the earth.
There have been cases of fish weighing as much as 3 pounds falling from the sky in the course of a storm. 4 _______.

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1 _______.
The most serious problem for the fish is not the coldness of the water in which it lives, but how that water can get enough air for the fish. When a pond is not frozen, oxygen from the air is passing into the surface of the water as soon as it is used by the fish in the pond.
2 _______. Of course the water can get a little oxygen at the edge of the ice, or through air-boles.
3 _______. It brings enough oxygen for the fish in the pond.
4 _______.