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the diagnostic or therapeutic use of ultrasound and especially a noninvasive technique involving the formation of a two-dimensional image used for the examination and measurement of internal body structures and the detection of bodily abnormalities — called also sonography
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the natural agent that stimulates sight and makes things visible.
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In electronics, a remote control is a component of an electronic device used to operate the device wirelessly from a distance.
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Television is a telecommunication medium used for transmitting moving images in monochrome, or in colour, and in two or three dimensions and sound
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A mobile phone, known as a cell phone in North America, is a portable telephone that can make and receive calls over a radio frequency link while the user is moving within a telephone service area.
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A computer is a device that can be instructed to carry out arbitrary sequences of arithmetic or logical operations automatically.
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a mobile phone that performs many of the functions of a computer, typically having a touchscreen interface, Internet access, and an operating system capable of running downloaded applications.
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A laptop, often called a notebook or "notebook computer", is a small, portable personal computer with a "clamshell" form factor, an alphanumeric keyboard.
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Technology can be most broadly defined as the entities, both material and immaterial, created by the application of mental and physical effort in order to achieve some value. In this usage, technology refers to tools and machines that may be used to solve real-world problems.
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Starting from this point to present the media's that i encounter below 2010 has been changed
