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Interface Flashcards

7 cards from real MATLAB practice questions. Tap to flip, then mark Knew It or Still Learning — missed cards come back until you master them.

Read the first 7 Interface flashcards as text

  1. Which MATLAB function opens a file selection dialog box?

    Answer: uigetfile

    uigetfile opens a standard OS file selection dialog and returns the chosen filename and path.

  2. In MATLAB App Designer, which property controls whether a UI component is visible to the user?

    Answer: Visible

    The Visible property accepts 'on' or 'off' to show or hide a UI component in App Designer.

  3. What does the uicontrol function's 'Style' property set to 'slider' create?

    Answer: A horizontal or vertical draggable slider

    Setting Style to 'slider' in uicontrol creates a draggable slider that returns numeric values within a defined range.

  4. Which App Designer callback fires when the value of a numeric edit field changes and the user presses Enter or clicks away?

    Answer: ValueChangedFcn

    ValueChangedFcn triggers when the NumericEditField value is committed by the user pressing Enter or losing focus.

  5. How do you programmatically close a MATLAB figure window?

    Answer: close(fig)

    close(fig) closes the specified figure window, triggering any CloseRequestFcn callbacks.

  6. In a MATLAB GUI, which function retrieves the value of a property from a UI object handle?

    Answer: get

    get(handle, 'PropertyName') returns the current value of the specified property for any graphics or UI object.

  7. What is the purpose of the guidata function in GUIDE-based GUIs?

    Answer: Store and retrieve shared application data across callbacks

    guidata stores a data structure in the figure so all callbacks can access shared state via guidata(hObject).