A. Automatic synchronization of data between model and view components
B. Automatic synchronization of data between model and controller components
C. Technique to save HTML data in the database
D. Technique to bind database data to HTML control

Solution

A. Automatic synchronization of data between model and view components

Explanation

<p data-start="513" data-end="676" class="PDq2pG_selectionAnchorContainer"><span style="font-size: 14px;">Data binding in AngularJS is a feature that automatically synchronizes the data between the Model (application data) and the View (user interface).</span></p><ul><li><span style="font-size: 14px;">When the model changes, the view is updated automatically.</span></li><li><span style="font-size: 14px;">When the user changes data in the view (such as typing in a textbox), the model is updated automatically.</span></li></ul><p data-start="513" data-end="676" class="PDq2pG_selectionAnchorContainer"><span style="font-size: 14px;">This is known as two-way data binding, one of the key features of AngularJS.</span></p>