Презентация, доклад по английскому языку на тему Достижения человека в 21 веке

PCs with screen sizes from 4 to 11 inches, combining the qualities of a laptop and a smart phone in one device. Internet tablets usually have the opportunity to be permanently connected to the Internet - through Wi-Fi or 3G/4G soedinenie. Therefore, Internet tablets are useful for web surfing, running Web applications, and interacting with any Web services. Bear in mind that Internet tablet at the moment is not a complete replacement for a PC or laptop, as its functionality is limited to high demands on its mobility.

without using a physical keyboard and mouse. Entering text on the touch screen keyboard as a whole inferior in speed. Some modern Internet Tablet can be used to run programs multi touch gestures.

pen and a flat plate, a pressure sensor or proximity of the pen. It may also be accompanied by a special mouse. The first tablet was "Teleavtograf" Elisha Gray patented in 1888. Elisha Gray, better known as the inventor of a contemporary telephone - Alexander Graham Bell.

different types of tablets. In the electrostatic plates registered local change in electrical potential at the net pen. In the electromagnetic - pen emits electromagnetic waves, and the grid serves as the receiver. In both cases, the pen must be energized.

be supplied mouse, which, however, does not work like a normal computer mouse, and on the same principle as a feather. This mouse can only work on the tablet. Since the resolution of the tablet is much higher than the resolution of conventional computer mouse, using a mouse + tablet binder achieves  significantly  higher accuracy and easier.

close as possible to the way images are created on paper, as well as for regular work with interfaces that do not require the relative input. In addition, they are useful for the transfer of ready-made images to your computer. Some instant messaging programs allow a user with a graphics tablet, interactive exhibit drawn to the subscriber at the other end.

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