BlackBerry uses multi-tasking designed by Nokia’s operating system. Which device can handle inputs received through the calf management (for devices manufactured between 1999 and 2008) and trackball management (September 12, 2006 to present) and panel management (September 2009-present). 1.0 supports Java MIDB IT operating system (1.0 MIDP) and Wireless Application Protocol 1.2. Older versions of the operating system can be synchronized with email and calendar in Microsoft exchange Server software and e-mail in Lotus Domino software. It provides the current operating system (version V) subset of MIDB Technology 2.0 (MIDP 2.0), and allows wireless activation full synchronization with email, calendar, tasks, notes and address book programs Microsoft exchange and Novell Group Wise and Lotus Notes.
Blackberry 