Final answer:
Silicon Valley attracted high-tech companies because of its renowned universities, partnerships with local businesses, venture capitalists, cultural climate, and quality of life.
Step-by-step explanation:
The high-tech companies were attracted to Silicon Valley because of its renowned universities and research institutions (Stanford), partnerships with local businesses like Hewlett-Packard and Xerox, and an ample pool of venture capitalists willing to take chances investing in experimental electronics. However, California's peculiar cultural climate, which included tolerance of diversity and a good quality of life, also played a significant role in the region's success.