How Multitasking Works in the iPad iOS 4.2

Multitasking will come to the iPad in November. WIth this new feature in iOS 4.2 for iPad, you are able to switch between applications instantly, and use one while others keep doing their tasks in the background.How does it works?According to Apple, iOS 4.2 keep as eligible apps running as it can hold in memory at one time on your iPad, and others remain in a suspended state. In other words, it