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A radio button or option button [1] is a graphical control element that allows the user to choose only one of a predefined set of mutually exclusive options. [2] The singular property of a radio button makes it distinct from checkboxes , where the user can select and unselect any number of items.
Text selection is associated with the cut, copy and paste operations and done with a cursor, caret navigation or touch.; Image editing applications can feature specialized graphical tools for the selection and modification of areas and shapes or to interact with colours, such as the magic wand selection tool, the lasso selection tool, the marquee selection (bounding box), or the color picker.
A generic combo box. A combo box is a commonly used graphical user interface widget (or control). Traditionally, it is a combination of a drop-down list or list box and a single-line editable textbox, allowing the user to either type a value directly or select a value from the list. The term "combo box" is sometimes used to mean "drop-down list ...
type="radio" A radio button. If multiple radio buttons are given the same name, the user will only be able to select one of them from this group. type="button" A general-purpose button. The element <button> is preferred if possible (i.e., if the client supports it) as it provides richer possibilities. type="submit" A submit button. type="image"
A cognitive radio (CR) is a radio that can be programmed and configured dynamically to use the best channels in its vicinity to avoid user interference and congestion. Such a radio automatically detects available channels, then accordingly changes its transmission or reception parameters to allow more concurrent wireless communications in a given band at one location.
Radio resource management (RRM) is the system level management of co-channel interference, radio resources, and other radio transmission characteristics in wireless communication systems, for example cellular networks, wireless local area networks, wireless sensor systems, and radio broadcasting networks.
Metadata allows visual information, text and graphics - such as the station name and logo, presenter, song title and album artwork - to be displayed while a station is playing. Radio stations can provide the metadata to augment the listening experience, particularly on car receivers which have large display panels. [101]
[[Category:United States radio by format navigational boxes]] to the <includeonly> section at the bottom of that page. Otherwise, add <noinclude>[[Category:United States radio by format navigational boxes]]</noinclude> to the end of the template code, making sure it starts on the same line as the code's last character.