Chapter 10 - Communication
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| Bandwidth | Bandwidth is the range of signal frequency that can be sent over a given medium at the same time
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| Spectrum of a signal | is the range of frequencies that it contains
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| Communication | Signal contains a massage composed of data and information.
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| Telecommunication | Transmission of data from one device to another device in a different location
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| Data Communication | Electronic collection, processing, and distribution of data
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| Telecommunication Medium | Telecommunication Medium is anything that carries an electronic signal and interfaces between a sending device and a receiving device
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| Analog signal | An analog signal is a continuously varying electromagnetic wave that may be propagated over a variety of media, depending on spectrum
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| Digital signal | A digital signal is a sequence of voltage pulses that may be transmitted over a wire medium.
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| Guided media | With guided media, the wave are guided along a physical path
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| Unguided media | Unguided media provide a means for transmitting electromagnetic waves but do not guide them
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Review the information in the table. When you are ready to quiz yourself you can hide individual columns or the entire table. Then you can click on the empty cells to reveal the answer. Try to recall what will be displayed before clicking the empty cell.
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Or sort by any of the columns using the down arrow next to any column heading.
If you know all the data on any row, you can temporarily remove it by tapping the trash can to the right of the row.
To hide a column, click on the column name.
To hide the entire table, click on the "Hide All" button.
You may also shuffle the rows of the table by clicking on the "Shuffle" button.
Or sort by any of the columns using the down arrow next to any column heading.
If you know all the data on any row, you can temporarily remove it by tapping the trash can to the right of the row.
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