binaryaction

noun
UK /ˈbaɪ.nər.i ˈæk.ʃən/
US /ˈbaɪ.nɛr.i ˈæk.ʃən/

A binary action is a choice with only two possible answers, like yes or no.

Flipping a light switch is a binary action because it can only turn the light on or off.


OTHER MEANINGS

2. In computing, an operation that works with only two values, such as 0 and 1.

The program used a binary action to check whether the file existed.

3. A step that can only be accepted or rejected, with nothing in between.

Voting on the proposal was a binary action: approve or decline.

4. A physical movement that has exactly two states, such as open or closed.

The robot's gripper performed a binary action, clamping shut or opening wide.