The update will also allow iPad users to switch quickly between applications for the first time, a feature that had already been available on recent models of the iPhone and iPod.
The update addresses one of the key drawbacks identified by Apple Inc. fans. While the company's mobile gadgets can connect to computers for transferring files, they don't have ports for hooking up with printers or USB drives.
The eagerly awaited update will bring to the iPad new features that already hit the iPhone and iPod Touch through last summer's iOS 4.0 release. You can read more about the announcement and what it means for Apple users here.
Also, if you're curious to see what Apple's iOS 4.2 update brings to the iPad, CNET's Donald Bell offers a crash course on the new features, including multitasking, folders, printer search, and threaded messages. (Click here for his report.
Gallery: IOS on iPad