A memorial service was held Sunday for Steve Jobs, the late Apple CEO, amid tight security at Stanford University's Memorial Church by mourners including Google chief executive Larry Page, media mogul Rupert Murdoch and former Vice President Al Gore, an Apple board member.

Apple had sent out invitations for a private memorial held on the Stanford campus in Palo Alto, Calif., and Gov. Jerry Brown declared Sunday Steve Jobs Day in California.

Jobs was diagnosed with a rare form of pancreatic cancer in 2003. He died Oct. 5 at the age of 56. Jobs' capacity to recognize the potential of his products like iPhone, iPod and iPad and the people around him significantly affected the conduct and performance of the organization.

Apple earlier announced a memorial service for its staff will be held Wednesday at an amphitheater on the company's Cupertino campus. Like many of you, I have experienced the saddest days of my lifetime and shed many tears during the past week. And I've found comfort in both telling and listening to stories about Steve, said CEO Tim Cook.

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