simulators..
Also...the full flight simulators can be operated as "fixed base" by simply not turning on the hydraulics. This is often used for some types of procedure training where motion is not required(such as preparing for flight / starting engines / shut down, ) and saves the company money.
So if you find yourself rostered to do "fixed base" sim training one day, and then "full flight" sim the next day..you will probably be using the same actual simulator .