Class Notes (837,010)
United States (324,839)
IST 195 (86)
Rubin (22)
Lecture

Computing History

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Department
Information Studies
Course
IST 195
Professor
Rubin
Semester
Fall

Description
-Mark 1: 1944 -Howard Aiken, Harvard prof -Cheap calculator today has more computing power -5 tons -305 RMAC: 1956 -IBM "supercomputer" -5 MB of storage -That's like 2 songs -Just over 1 ton -$160,000 -Gordon Moore (Intel) -Moore's law, 1965 -# of transistors on integrated circuit doubles every 24 mo. -Cost/transistor decreases -Law still holds -What happens when it "ends?" -PC -Personal computer -Windows, Apple -Server -Control access to hardware, software, etc. on network -Web, mail, file servers, etc. -Basically more powerful PC -Search engines have a bunch spread out thru the country -Mainframes -Lg., expensive, powerful computer -Handles 100s or 1000s of connected users simulta
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