Which of the following techniques always toggles the "on" and "off" states of a radio button control?
A) Click on the circle or its caption with the mouse.
B) Press the spacebar when the circle has the focus.
C) Press on another radio button in the same group box.
D) Set the Checked property equal to True.
E) None of the above

Question

Quizplus · Accepted Answer

Radio buttons are designed to allow a user to select only one option from a set. Toggling between "on" and "off" states as described isn't characteristic of radio buttons. Instead, selecting one radio button in a group automatically deselects any other that was previously selected. None of the options provided describe a behavior that always toggles the "on" and "off" states of a radio button because once a radio button is selected (on), it cannot be toggled off by re-selecting it or using the spacebar; it only changes state if another button in the group is selected.

Which of the Following Techniques Always Toggles the "On" and "Off