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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.
When a user clicks on a menu option the pull-down menu will appear. [3] [4] A menu has a visible title within the menu bar. Its contents are only revealed when the user selects it with a pointer. The user is then able to select the items within the pull-down menu. When the user clicks elsewhere the content of the menu will disappear. [5]
Ben Shneiderman's theory of direct manipulation led to innovations in digital interface design, many developed under the HCIL. Direct manipulation interactions, in contrast to other interaction styles, require that objects of interest are represented as distinguishable objects in the UI and are manipulated in a direct fashion. [15]
Text-based menu in an application program Text-based menu (German) with selection by cursor keys or mouse. A computer using a command line interface may present a list of relevant commands with assigned short-cuts (digits, numbers or characters) on the screen. Entering the appropriate short-cut selects a menu item.
Consider for example the process of deleting a file using a contextual menu. This assumes the existence of a mouse (input device), a screen (output device), and a piece of code that paints a menu and updates its selection (user feedback) and sends a command to the file system when the user clicks on the "delete" item (interpretation).
Human–Computer Interaction (HCI) – the intersection of computer science and behavioral sciences — this field involves the study, planning, and design of the interaction between people (users) and computers. Attention to human-machine interaction is important, because poorly designed human-machine interfaces can lead to many unexpected ...
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Audio - Based HCI----Audio-based interaction in human-computer interaction (HCI) is a crucial field focused on processing information acquired through various audio signals. While the nature of audio signals may be less diverse compared to visual signals, the information they provide can be highly reliable, valuable, and sometimes uniquely ...