U. S. Office of Management and Budget, of the major technological advances of the 20th century originated with individual inventors and small companies.

b. more than half

Explanation:

According to the U.S. Office of Management and Budget, more than half of the major technological advances of the 20th century originated with individual inventors and small companies.  Innovation in the 20th century that originates from individuals and small companies are, the air conditioner, FM radio, insulin, helicopter, jet engine, instant camera among others. Individual and small companies were the major drivers of technological advancement in the 20th century. However, technologies such as the internet was government driven and funded.

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