Because you can reduce the work done by the central unit?

The full power of the central unit was available to any device.

They could now see clear through the shattered central unit.

Depicted in the image on the right is the central unit.

Everything inside the central unit was now covered with frost.

A larger building would require either many small units, or a large central unit.

"The parish is the central unit that must be served."

The player's view is always focused on the central unit, the helicopter.

As a result, the central processing unit doesn't spend a lot of time doing things these chips can do better.

The inside of the central unit was a complete shambles.