There is a business district along University Ave that has many restaurants, depending on your taste/price. Don’t claim to be an expert but a relative who lives there took us to a Chinese Restaurant that his family loves, I believe it was Jing-Jing on Emerson. We had some Gelato at nearby place for dessert.
For a little Silicon Valley history Google the Hewlett Packard Garage and check it out. The campus itself has a lot to see, museums, scupture gardens and the classic chapel.