The data processing equipment that Herman Hollerith developed for the 1890 U.S. census is classified as electro- _____ equipment.
A) optical
B) physical
C) rotational
D) mechanical
E) chemical

Question

Quizplus · Accepted Answer

Hollerith's equipment used punched cards that were sorted and tabulated mechanically, making it an early example of mechanical data processing.

The Data Processing Equipment That Herman Hollerith Developed for the 1890