Search results
Results from the WOW.Com Content Network
Herman Hollerith: The Forgotten Giant of Information Processing. Columbia University Press. p. 418. ISBN 0-231-05146-8. Truesdell, Leon E. (1965). The Development of Punch Card Tabulation in the Bureau of the Census 1890-1940. US GPO. Includes extensive, detailed, description of Hollerith's first machines and their use for the 1890 census.
Hollerith 1890 tabulating machine with sorting box. [a] Hollerith punched card. The tabulating machine was an electromechanical machine designed to assist in summarizing information stored on punched cards. Invented by Herman Hollerith, the machine was developed to help process data for the 1890 U.S. Census.
Punched cards were once common in data processing and the control of automated machines. Punched cards were widely used in the 20th century, where unit record machines, organized into data processing systems, used punched cards for data input, output, and storage. [3] [4] The IBM 12-row/80-column punched card format came to dominate the industry.
This data processing was accomplished by processing punched cards through various unit record machines in a carefully choreographed progression. [5] This progression, or flow, from machine to machine was often planned and documented with detailed flowcharts that used standardized symbols for documents and the various machine functions. [ 6 ]
A Hollerith tabulator that has been modified for the first 1890 census tabulation; the punched-card reader was removed, replaced by a simple keyboard. [2]: 61 The 1890 census was the first to be compiled using methods invented by Herman Hollerith and was overseen by Superintendents Robert P. Porter (1889–1893) and Carroll D. Wright (1893–1897).
Data processing is the collection and manipulation of digital data to ... the Census Office was able to complete tabulating most of the 1890 census data in 2 to 3 ...
The concept of automated data processing had been born. In 1890, Herman Hollerith invented the mechanical tabulating machine, a design used during the 1890 Census which stored and processed demographic and statistical information on punched cards. [14] [15] 1890 Shredded wheat. Shredded wheat is a type of breakfast cereal made from whole wheat.
The increasing population suggested that by the 1890 census, data processing would take longer than the 10 years before the next census—so a competition was held to find a better method. It was won by a Census Department employee, Herman Hollerith , who went on to found the Tabulating Machine Company , later to become IBM .