newbe question: how to... open database

From a company we recieved a oracle database (version 8.0.6) on a CD containing the following files: AO_data01.dbf RBS01.DBF SYSTEM01.dbf TEMP01.DBF USERS01.DBF CNTRL01.CTL CNTRL02.CTL ROMA_RN01A.LOG ROMA_RN01B.LOG ROMA_RN02A.LOG ROMA_RN02B.LOG ROMA_RN03A.LOG ROMA_RN03B.LOG I have installed Oracle 10 on my computer, but I cannot find how I can open