Verizon Wireless is working with Google Inc. on a tablet computer, the carrier's chief executive, Lowell McAdam, said Tuesday, as the company endeavors to catch up with iPad host AT&T Inc. in devices that connect to wireless networks.

The work is part of a deepening relationship between the largest U.S. wireless carrier by subscribers and Google, which has carved out a space in mobile devices with its Android operating system. Verizon Wireless last year heavily promoted the Motorola Droid, which runs Google's software.

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