A Chromebook is a laptop running the Linux-based Chrome OS as its operating system. The devices were originally designed to be used primarily while connected to the Internet, with most applications and data residing in the cloud. The original Chromebook was an example of a thin client.
Rack & Pinion is just what it says, and what is currently in universal use, a flat toothed rack with a single pinion gear that moves it back and forth. -Power steering means any kind of assist for either kind of steering gear, be it hydraulic recirculating-ball or electric rack & pinion... got it. rack and pinion sounds less complicated to run. and sounds alot lighter.... rack and pinion vs power steering.
Rack and pinion steering mechanism: 1 steering wheel; 2 steering column; 3 rack and pinion; 4 tie rod; 5 kingpin. Rack and pinion unit mounted in the cockpit of an Ariel Atom sports car chassis.