event-driven program

noun

UK /ɪˈvɛnt ˈdrɪvən ˈprəʊɡræm/

US /ɪˈvɛnt ˈdrɪvən ˈproʊɡræm/

A computer program that waits for things to happen and then reacts to them.

The game is an event-driven program, so it only moves your character when you press a key.

SYNONYMS

event-based program reactive program listener-driven program callback-driven program

RELATED WORDS

event event handler callback event loop user interface

OTHER MEANINGS

2. Software whose flow is controlled by events such as clicks, messages, or sensor signals rather than a fixed sequence.

The smart home app is an event-driven program that turns on the lights when motion is detected.

3. A program built around an event loop that listens for and responds to incoming signals.

The chat server runs as an event-driven program, handling each new message as it arrives.

4. A style of programming where functions are triggered by events instead of being called in order.

Learning event-driven programming helped her understand how button clicks start actions.