Что такое компьютер?
презентация к уроку

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What is a computer? Подготовила презентацию: преподаватель английского языка ГБПУ ВГПГК Карташова Элина Анатольевна

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Computer Components:

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Computer is an electronic device that can receive a set of instructions called program and then carry out them. The modern world of high technology could not be possible without computers . Different types and sizes of computers find uses throughout our society.

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They (computers) are used for: the storage and handling of data; secret governmental files; information about banking transactions; and so on.

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There are two main types of computers: Analog; Digital Although the term computer is often used to mean only the digital type, because this type of computer is widely used today.

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The speed at which the computer performs this simple act is called computer speed . Computer speeds are measured in Hertz or cycles per second.

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Printer – is an external hardware output device that takes the electronic data stored on a computer or other device and generates a hard copy of it.

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Monitor - a device used for observing, checking, or keeping a continuous record of something.

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Speakers - a device which converts an electrical audio signal into a corresponding sound.

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C.P.U. - a central processing unit, also called a central processor or main processor, is the electronic circuitry within a computer that executes instructions that make up a computer program. The CPU performs basic arithmetic, logic, controlling, and input/output (I/O) operations specified by the instructions in the program.

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A computer keyboard is one of the primary input devices used with a computer. Similar to an electric typewriter, a keyboard is composed of buttons that create letters, numbers, and symbols, as well as perform other functions. The following sections provide more in-depth information and answers to some of the more frequently asked questions about the keyboard.

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Computer mouse - is a hand-held pointing device that detects two-dimensional motion relative to a surface. This motion is typically translated into the motion of a pointer on a display, which allows a smooth control of the graphical user interface of a computer. A computer mouse with the most common features: two buttons (left and right) and a scroll wheel (which also functions as a button).

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Questions: What is a computer? What is the main purpose of all computers? Where are computers used? What is the index of computer speed? 5. Which operating system do you use? Explain the benefits of it.

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In today's world, computers are used nearly in all branches of industry. Even in that one that are dangerous and harmful to human health. Scientists can’t imagine space research without using computers. Computers are very useful and necessary in our lives.