7/17/2019 Silicon

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Silicon Valley is a nickname for the southern portion of the San Francisco Bay Area, which is

located in the part of the U.S. state of California known as Northern California. It is home to manyof the worlds lar!est hi!h"tech corporations, as well as thousands of tech startup companies. #he

word $%alley$ refers to the Santa Clara Valley where the re!ion has traditionally &een centered,

which includes the city of San 'ose and surroundin! cities and towns. #he word $silicon$ ori!inallyreferred to the lar!e num&er of silicon chip inno%ators and manufacturers in the re!ion. #he term

$Silicon Valley$ e%entually came to refer to all hi!h tech &usinesses in the area, and is now!enerally used as a metonym for the American hi!h"technolo!y economic sector.