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- is a wireless telecommunications device that receives and displays alphanumeric or voice messages.
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- an instrument designed for the simultaneous transmission and reception of the human voice.
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- A tape cassette is designed so that it can be inserted in a recorder and used immediately; it eliminates the need to thread a portion of the tape manually before starting the recorder.
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Radio is the technology of signaling or communicating using radio waves
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- an electronic device that can play digital audio files.
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- is connected to a television to watch the DVD content, which could be a movie, a recorded TV show, or other content.
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- is a portable device for watching television that usually uses a TFT LCD or OLED color display.
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- is a machine that can be instructed to carry out sequences of arithmetic or logical operations automatically via computer programming.
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- is a camera used for electronic motion picture acquisition (as opposed to a movie camera, which records images on film), initially developed for the television industry but now common in other applications as well.
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