About the Book
Please note that the content of this book primarily consists of articles available from Wikipedia or other free sources online. Pages: 54. Chapters: Punched card, Echelon, Data acquisition, Natural experiment, SENSOR-Pesticides, Statistical survey, Question, PISCES, BanxQuote, Data visualization, Provenance, Questionnaire construction, Web mining, UKUSA Agreement, Pop-up satellite archival tag, International Social Survey Programme, Iox acquisition software, Biopac student lab, Mode effect, Synthetic Environment for Analysis and Simulations, National Institute for Occupational Safety and Health, PowerLab, Multiple Indicator Cluster Surveys, Test method, Data scraping, German General Social Survey, Field recording, Unstructured data, Bus Monitoring, Dye tracing, Game with a purpose, Argos System, Census of production, Surveylab, ScraperWiki, Main Core, Agentless data collection, Public survey, Colectica, TALON, European social survey, Flow tracer, IPUMS, Two pass verification, Computer-assisted personal interviewing, Computer-assisted telephone interviewing, North Atlantic Population Project, Physical test, Non-response bias, Data farming, Survent, Paradata, Signed overpunch, Crude Oil Data Exchange, Multi-channel analytics, Guardian, Interpellation, Relational data mining, IBM 402, Mall-intercept personal interview, One-for-one checking, Automated computer telephone interviewing. Excerpt: A punched card, punch card, IBM card, or Hollerith card is a piece of stiff paper that contains digital information represented by the presence or absence of holes in predefined positions. Now an obsolete recording medium, punched cards were widely used throughout the 19th century for controlling textile looms and in the late 19th and early 20th century for operating fairground organs and related instruments. They were used through the 20th century in unit record machines for input, processing, and data storage. Early digital computers used punched cards, often prepared using k...
