Maybe. Macs USED to have non-standard video ports, dating to before VGA was a standard, (1987) but since 1998's G3 'Wallstreet' Powerbooks started having VGA ports. G4's 800 Mhz and slower will have VGA as well. G4 Powerbooks faster than 800 Mhz will be DVI and need a DVI to VGA adaptor.
I tried to remain child-like, all I acheived was childish.