Вопрос № 1072596 - Английский язык

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A computer is a machine that manipulates data according to the list of instructions. Although mechanical examples of computers have existed throughout the history, the first computers, resembling a modern computer, were developed in the mid – 20th century (1940–1945). The first electronic computers were the size of a large room, consuming as much power as several hundred modern personal computers.

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The ability to store and execute lists of instructions called programs makes computers extremely versatile, distinguishing them from calculators. The Church-Turing thesis is: any computer with a certain minimum capability is, in principle, capable of performing the same tasks that any other computer can perform. Therefore, computers ranging from a personal digital assistant to a supercomputer are all able to perform the same computational tasks, given enough time and storage capacity.

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Computer software, or just software is a general term used to describe a collection of computer programmes, procedures and documentation that perform some tasks on the computer system.
1_______. At the lowest level, software consists of a machine language specific to an individual processor. 2_______. Software is an ordered sequence of instructions for changing the state of the computer hardware in a particular sequence. It is usually written in high-level programming languages that are easier and more efficient for humans to use (closer to natural language). 3_______. The term “software” was first used in this sense by John W. Tukey in 1958. 4_______.

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Computer software has to be “loaded” into the computer storage (as memory, or RAM). 1_______. This involves passing instructions from the application software, through the system software, to the hardware which ultimately receives the instruction as a machine code. 2_______.
Sometimes data movement involves moving data between memory and registers, which enable high-speed data access in the CPU. 3_______. So, this is sometimes avoided by using “pointers” to data instead. Computations include simple operations such as incrementing the value of a variable data element. 4_______.

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Hard disks are common I/O devices used with computers.
1_______. Devices that provide input or output to the computer are called peripherals. 2_______. Hard disk drivers, floppy disk drivers and optical disk drivers serve as both input and output devices. 3_______.
Often, I/O devices are complex computers in their own right with their own CPU and memory. A graphic processing unit might contain fifty or more tiny computers that perform the calculations necessary to display 3D graphics. 4_______.

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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 …