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Device for transmitting and receiving messages over long distances.
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Is a device that permits two or more users to have a conversation when they are too far appart to be heard directly.
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The wireless transmission and reception of electric impulses or signals by means of electromagnetic waves, the use of these waves for the wireless transmission of electric impulses into which sound is converted.
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Telecommunication medium used for transmitting moving images in black and white or in color, and in two or three dimensions and sound.
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A programmable electronic device designed to accept data, perform prescribed mathematical and logical operations at high speed, and display the results of these operations.
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Is a portable computer that uses a touchscreen as its primary input device. Most tablets are slightly smaller and weigh less than the average laptop.
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Portable telephone that can make and receive calls over a radio frequency link while the user is moving within a telephone service area.