Вопрос № 1072164 - Английский язык

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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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Microcontroller programmes must fit in the available on-chip program memory. Compilers and assembly languages are used to turn high-level language programmes into a compact machine for storage in the microcontroller memory. Depending on the device, the program memory may be permanent, read-only memory that can only be programmed at the factory, or program memory may be field-alterable flash or erasable read-only memory.
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What are the types of program memory depending on the device?

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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.

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Today, 3D 1_______ are used in a wide variety of fields. The medical industry uses detailed models of 2_______. The movie industry uses them as characters and objects for animated and real-life motion pictures. The video game industry uses them as assets for computer and video games. The science sector uses them as highly 3_______ models of chemical compounds. The architecture industry uses them to demonstrate proposed 4_______ and landscapes. The engineering community uses them as designs of new devices, vehicles and structures and some others.

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The motherboard is the primary circuit board within a personal computer. Many other components are connected directly or indirectly to the motherboard. Motherboards usually contain one or more CPUs, supporting circuitry – usually integrated circuits (ICs) – providing the interface between the CPU memory and input/output peripheral circuits, main memory, and facilities for initial setup of the computer immediately after power-on.
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What are the main parts of motherboard?

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A PC main memory is fast storage that is directly accessible by the CPU, and is used to store the currently executing programme and immediately needed data. PCs use semiconductor random access memory (RAM) of various kinds such as DRAM or SRAM as their primary storage. The main memory is much faster than mass storage devices like hard disks or optical discs, but it is usually volatile, it does not retain its contents (instructions or data) in the absence of power.
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What is the disadvantage of main memory?