Movie-trivia buffs can test their film smarts with Berkeley Systems’ fourth installment in its hugely popular You Don’t Know Jack CD-ROM game series, where ”high culture collides with pop culture.” Chockful of double entendres and dripping with tongue-in-cheek sass, it’s a fast and furious quiz on all things cinematic (along with snappy new musical interludes between questions). This latest outing, hosted by a new virtual wiseacre named Raoul, plays like a rowdy frat-house version of Jeopardy! With questions ranging from the ridiculous to the ridiculously obscure (What do they put on an ”egg MacGuffin?” ”A Hitchcock plot device with ham and cheese”), even the geekiest of film geeks can meet his or her match. A-