operating program

noun
UK /ˈɒpəreɪtɪŋ ˈprəʊɡræm/
US /ˈɑːpəreɪtɪŋ ˈproʊɡræm/

A set of instructions that tells a computer how to work.

The operating program helps the computer start up and run other apps.


OTHER MEANINGS

2. A plan of actions for running a machine or system.

The factory follows a strict operating program for its robots.

3. A schedule or set of steps for carrying out an operation.

The hospital's operating program lists all surgeries for the day.

4. The software that manages a device's basic functions.

This phone's operating program gets updates every month.