The Survey Today, we are releasing the report from a survey the University commissioned, showing that Columbia’s Jewish and Muslim students were significantly less comfortable on our campus than their ...

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Tradition, Innovation, and Growth Leaders in advancing our world since 1754 The story of Columbia University is one of tradition, innovation, and growth. For more than 270 years, Columbia alumni, ...

The Libraries are wonderful gathering places to pursue scholarly research, to learn about and use information technology, to write, to study, and to draw on our rich collection of print and electronic ...

The IBM 285 Tabulator Click each image to enlarge. IBM 285 with operator The IBM Type 285 Tabulator Photo: [4]. IBM 285 plugboard The IBM Type 285 Numeric Printing Tabulator, 1933, used in the Thomas ...

The IBM 2311 Disk Drive and 2400 Tape Drive IBM 360/75 machine room Early-to-mid 1960s. Foreground: IBM 2311 Disk Storage Drives, providing random direct access to 7.25 million 8-bit bytes per ...

IBM Calculators The IBM Type 602-A Calculating Punch (1948); photo from the IBM 602-A Principles of Operation. In the first half of the 20th Century, IBM's flagship product was the Tabulator, which is ...

Lower River Division with a population of 72,167 is the least populated division in the Gambia. Until late 1960s when it became its own division, North Bank Division was part of Lower River Division.

IBM Key Punches Columbia's Herman Hollerith pioneered punch card computation beginning in the late 1880s, when he chose punched cards as the medium for encoding and storing demographic data for the ...

meta-d' analysis quantifies metacognitive sensitivity (i.e. the efficacy with which confidence ratings discriminate between correct and incorrect judgments) in a signal detection theory framework. A ...

Fall, 2018. Tuesdays and Thursdays 4:10PM--5:25PM in Room: 501 Schermerhorn Hall Last Updated: 12/06/18 Syllabus/prerequisites for the course ...

Films Depicting Early Computing Equipment in Action I haven't made any kind of systematic search or survey, but happened to see the following films that contain sequences of authentic 1940s, 50s, or ...