File:Donald_Betsy_Gillies_Illiac_I.jpg
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![File:Donald Betsy Gillies Illiac I.jpg](http://upload.wikimedia.org/wikipedia/commons/thumb/f/f3/Donald_Betsy_Gillies_Illiac_I.jpg/800px-Donald_Betsy_Gillies_Illiac_I.jpg)
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Summary
DescriptionDonald Betsy Gillies Illiac I.jpg |
English: The ILLIAC I computer was one of two von-neumann computers constructed at the University of Illinois, and Donald B. Gillies (then a graduate student) helped in the checkout, and returned in 1956 to join the faculty of the Math Department at UIUC. This photo is circa 1957. Although the year is not exactly known, Betsy Gillies was pregnant 1957-8, 1959-60, and 1961-2 and D. B. Gillies returned to U-Illinois in the fall of 1956, so 1957 is a plausible year for this photo. |
Date | |
Source | Own work |
Author | SystemBuilder |
Licensing
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Captions
Alice (Betsy) E. D. Gillies and Donald B. Gillies with the ILLIAC I at the Digital Computer Lab, Urbana Illinois, circa 1957.
some value
1 January 1958
0.02 second
1.7
4.25 millimetre
500
File history
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Date/Time | Thumbnail | Dimensions | User | Comment | |
---|---|---|---|---|---|
current | 11:56, 2 April 2023 | ![]() | 1,712 × 1,178 (707 KB) | Morn | rotate; crop; sharpen |
10:16, 20 August 2020 | ![]() | 2,024 × 1,400 (648 KB) | SystemBuilder | Uploaded own work with UploadWizard |
File usage
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Metadata
This file contains additional information, probably added from the digital camera or scanner used to create or digitize it.
If the file has been modified from its original state, some details may not fully reflect the modified file.
Camera manufacturer | OnePlus |
---|---|
Camera model | ONEPLUS A6013 |
Exposure time | 1/50 sec (0.02) |
F-number | f/1.7 |
ISO speed rating | 500 |
Date and time of data generation | 02:28, 20 August 2020 |
Lens focal length | 4.25 mm |
Orientation | Normal |
Horizontal resolution | 300 dpi |
Vertical resolution | 300 dpi |
Software used | GIMP 2.10.34 |
File change date and time | 13:53, 2 April 2023 |
Exposure Program | Normal program |
Date and time of digitizing | 02:28, 20 August 2020 |
Shutter speed | 5.643 |
APEX aperture | 1.53 |
Exposure bias | 1 |
Light source | Unknown |
Flash | Flash did not fire, compulsory flash suppression |
Color space | sRGB |
White balance | Auto white balance |
Focal length in 35 mm film | 25 mm |
GPS date | |
Unique ID of original document | xmp.did:abc34cf0-8ac7-469f-89ae-d90c93e87467 |
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