Final answer:
Herman Hollerith created the first functional key-driven machine, called the Tabulating Machine, in 1890.
Step-by-step explanation:
The creator of the first functional key-driven machine is Herman Hollerith, who designed the Tabulating Machine in 1890. So, the correct answer is (c) Herman Hollerith, Tabulating Machine, 1890. This invention played a significant role in advancing the technology that led to the development of modern computers.