Вопрос № 1072161 - Английский язык

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Now we shall discuss amplifier 1________________, or more specifically, audio amplifiers. An amplifier is an electron tube or transistor circuit, which 2_________________ up an ac signal applied to its input. It is called a voltage amplifier if the magnitude of the output 3__________________ from the amplifier is considerably greater than that of the input voltage. As a matter of fact the ratio of the output voltage to the 4__________________ voltage is called the amplification or gain of the amplifier.

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Now we shall discuss amplifier circuits, or more specifically, audio amplifiers. 1 _________ is an electron tube or transistor circuit, which 2_________________ up an ac signal applied to its input. It is called a voltage amplifier if the magnitude of the output  3  __________ . From the amplifier is considerably greater than that of the input voltage. As a matter of fact the ratio of the output voltage to the 4__________________ voltage is called the amplification or gain of the amplifier.

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In the 1980s programmable integrated circuits were developed. These 1_______ contained circuits which logical functions and connectivity can be programmed by 2_______, rather than being fixed by 3_______ circuit manufacturers. This allows a single chip to be programmed to implement different LSI-type functions such as logic gates, adders, and registers. Current devices named FPGAs (Field Programmable Gate Arrays) can now implement tens of thousands of LSI circuits in parallel and 4_______ up to 550 MHz.

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A lot of the computer systems in use today are embedded in other 1_______, such as automobiles (a car has as many as 30 or more microcontrollers), telephones, washing machines, microwave ovens, appliances, and peripherals for computer systems. They are called embedded systems. While some embedded 2_______ are very sophisticated, many of them have minimal requirements for memory and program length, with no operating system, and low software complexity. Typical input and output 3_______ include switches, relays, solenoids, LEDs, small or custom LCD displays, radio frequency devices, and sensors for data such as temperature, humidity, light level, etc. Embedded systems usually have no keyboards, screens, disks, printers, or other recognizable devices of any 4_______ computer.

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The first computer 1_______ on a chip was optimized to control applications – the microcontroller was Intel 8048 released in 1975 with both RAM and ROM on the same chip. This 2_______ went on to be found in over a billion PC keyboards, and numerous applications.
Most microcontrollers at this time had two 3_______. One had an erasable EEPROM program memory, which was significantly more expensive than the PROM variant which was only 4_______ once.

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3D models represent 3D 1_______ using a collection of points in 3D space, connected by various 2_______ entities such as triangles, lines, curved surfaces, etc. Being a collection of data (points and other information), 3D models can be created by hand, algorithmically (procedural modeling), or scanned.
3D models are widely used in 3D graphics. Actually, their use predates the widespread use of 3D 3_______ on personal computers. Many 4_______ games used pre-rendered images of 3D models as sprites before computers could render them in real-time.