File:Detail of a 1Kb ferrite core RAM-module of an 1960s Electrologica X1 computer.jpg
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Summary
[edit]DescriptionDetail of a 1Kb ferrite core RAM-module of an 1960s Electrologica X1 computer.jpg |
English: Detail of the 1Kb RAM module of the 1960s era Electrologica X1 computer formerly used at the Rijksuniversiteit Utrecht. The detail is showing a number of the ferrite core rings and part of the wiring. The entire module was fitted in a wooden frame, measuring about 40x40 centimetres. |
Date | |
Source | Own work |
Author | Joost H.B. Hageman |
Exibit is located at the Universiteitsmuseum Utrecht, Lange Nieuwstraat 106, 3512 PN Utrecht, Netherlands
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Date/Time | Thumbnail | Dimensions | User | Comment | |
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current | 13:34, 7 January 2013 | 1,600 × 1,200 (666 KB) | Joost Hageman (talk | contribs) | User created page with UploadWizard |
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Camera manufacturer | Canon |
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Camera model | Canon PowerShot A2200 |
Exposure time | 1/15 sec (0.066666666666667) |
F-number | f/2.8 |
ISO speed rating | 800 |
Date and time of data generation | 15:54, 18 February 2012 |
Lens focal length | 5 mm |
JPEG file comment | AppleMark |
Orientation | Normal |
Horizontal resolution | 0.0010986328125 dpi |
Vertical resolution | 72 dpi |
Software used | QuickTime 7.7.1 |
File change date and time | 11:33, 19 February 2012 |
Y and C positioning | Co-sited |
Exif version | 2.2 |
Date and time of digitizing | 15:54, 18 February 2012 |
Meaning of each component |
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APEX shutter speed | 3.90625 |
APEX aperture | 2.96875 |
APEX exposure bias | 0 |
Maximum land aperture | 2.96875 APEX (f/2.8) |
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Flash | Flash did not fire, compulsory flash suppression |
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Focal plane resolution unit | inches |
Sensing method | One-chip color area sensor |
File source | Digital still camera |
Custom image processing | Normal process |
Exposure mode | Auto exposure |
White balance | Auto white balance |
Digital zoom ratio | 1 |
Scene capture type | Standard |