A graphics processing unit is a single-chip processor that creates lighting effects and transforms objects every time a 3D scene is redrawn.
Promethazine is also used to prevent and control motion sickness, nausea, vomiting, and dizziness. In addition, it may be used to help people go to sleep and control their pain or anxiety before or after surgery or other procedures . Promethazine may also be used for other conditions as determined by your doctor .
Previously, it was used as an antipsychotic, although it is generally not administered for this purpose now; promethazine has only approximately 1/10 of the antipsychotic strength of chlorpromazine.