Answer:
Complex
Step-by-step explanation:
"After alison finished playing the vide game" is an dependant caluse meaning it cannot stand alone/it is not a complete snetence. "She shut down the computer" is a complete sentence/independant caluse, menaing it can stand alone. So put together wiht he comma the two clauses make a complex snentece.
Dependant clause+ Independant clause= Complex
Dependant clause+ depandant clause= Simple
Indpendant+Independant= Compound