Time sharing systems are designed to allow several programs to execute apparently simultaneously.

In some cases instructions are not dependent on each other and can be executed simultaneously.

All couples are expected to follow the beat of the music and movements should be executed simultaneously.

This makes it seem like multiple processes are being executed simultaneously on the same processor.

These two legs are executed simultaneously for the same quantity, and therefore offset each other.

At a signal, the three men were executed simultaneously.

There is some point in time, referred to as a critical instant, where all of the tasks become ready to execute simultaneously.

In the above diagram, the red program and the yellow process both happen to be executing simultaneously, one on each processor.

Multiple scripts may be placed inside an object, where they all execute simultaneously.

A clean overblow note requires that both of these steps be executed simultaneously.