Yes. Though I can't see any reason that you would want to.
The run Skype on a G4 you will need to have Mac OS X v10.3.9 (Panther) or later (See links below).
The iBook G4 was discontinued in 2006.
There are no known viruses that affect a G4 iBook.
The cost of an iBook G4 charger can vary depending on where it is bought from. The general cost of an iBook G4 charger is roughly in the $18 to $40 price range.
Mac OS X 10.4 "Tiger" will run on a PowerPC G4/800MHz machine. It is the latest OS that Apple will support on that processor, however. At this writing (January 2010), Mac OS X 10.4.11 is the latest version of Tiger.
No because the Mac App Store requires Mac OS X 10.6.6 which is not supported on the old G3/G4 iBooks.
There are many places where one can purchase a G4 iBook. One can purchase a G4 iBook from popular on the web sources such as eBay, Amazon, and the official Apple website.
The first iBook G4 appeared in October 2003 and, after several revisions, were discontinued in 2006.
The manufacturer of the iBook G4 laptop is Apple. The G4 is referred to as Snow, whereas the G3 is referred to as Clamshell. They are available in 5 colors.
Yes.
the power book G4 can use the Airport Extreme card.
The Apple Ibook G4 does everything that regular computer or laptop does but in a smaller package. The Apple Ibook G4 has the portability of a laptop with the power of pc. It also is fun and youthful with it's design and color choices.