After attempting the warm-up exercises suggested by the author, describe how they made you feel. Do you feel more relaxed or
loose? Do you find it easier to move, or to speak clearly?

If your doing vocal warmups like i do in choir it opens up your pipes so when your singing you can hit all your nots cause you vocal chord are warmed up. That's the same for talking, It made it easier to move and speak clearly

Explanation:

that without the operating systems you would have to control and synchronize computer hardware.