File:TR 440 magnetic core-storage block 01.jpg
Original file (1,414 × 1,979 pixels, file size: 707 KB, MIME type: image/jpeg)
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Summary[edit]
DescriptionTR 440 magnetic core-storage block 01.jpg |
English: Storage block from the TR 440 computer with locking braces open. Storage capacity 65.536 bits. Block contains 16 core-storage matrices plus controlling circuits. To mount the block in the cabinet, it will be turned by 90° to move the connectors (in the picture at the bottom) to the back; after fitting the block into the cabinet the locking braces will be closed in order to support the block’s weight and to establish a secure electric contact.
Deutsch: Kernspeicherblock vom TR 440 mit geöffneten Halteklammern. Speicherkapazität 65 536 bit. Der Block enthält 16 Kernspeichermatrizen und die zugehörige Steuerungs-Elektronik. Zum Einbau in den Speicherschrank wird der Block um 90° gedreht, so dass die Platinenstecker (im Bild unten) auf der Rückseite sind; nach dem Einstecken werden die Halteklammern geschlossen, um das Gewicht des Speicherblocks abzufangen und eine sicheren elektrischen Kontakt herzustellen. |
Date | |
Source | Own work |
Author | Knottel |
Camera location | 47° 44′ 48.12″ N, 8° 58′ 44.4″ E | View this and other nearby images on: OpenStreetMap | 47.746700; 8.979000 |
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Courtesy of CompuRama Radolfzell e. V.
Licensing[edit]
This file is made available under the Creative Commons CC0 1.0 Universal Public Domain Dedication. | |
The person who associated a work with this deed has dedicated the work to the public domain by waiving all of their rights to the work worldwide under copyright law, including all related and neighboring rights, to the extent allowed by law. You can copy, modify, distribute and perform the work, even for commercial purposes, all without asking permission.
http://creativecommons.org/publicdomain/zero/1.0/deed.enCC0Creative Commons Zero, Public Domain Dedicationfalsefalse |
File history
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Date/Time | Thumbnail | Dimensions | User | Comment | |
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current | 17:38, 16 November 2020 | 1,414 × 1,979 (707 KB) | Knottel (talk | contribs) | cropped | |
17:09, 16 November 2020 | 1,536 × 2,048 (1 MB) | Knottel (talk | contribs) | Uploaded own work with UploadWizard |
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Metadata
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Camera manufacturer | Canon |
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Camera model | Canon PowerShot A720 IS |
Exposure time | 1/60 sec (0.016666666666667) |
F-number | f/3.2 |
ISO speed rating | 200 |
Date and time of data generation | 15:33, 16 November 2020 |
Lens focal length | 9.954 mm |
Orientation | Normal |
Horizontal resolution | 180 dpi |
Vertical resolution | 180 dpi |
Software used | Windows Photo Editor 10.0.10011.16384 |
File change date and time | 18:37, 16 November 2020 |
Y and C positioning | Centered |
Exif version | 2.2 |
Date and time of digitizing | 15:33, 16 November 2020 |
Meaning of each component |
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Image compression mode | 3 |
APEX shutter speed | 5.90625 |
APEX aperture | 3.34375 |
APEX exposure bias | 0 |
Maximum land aperture | 3.34375 APEX (f/3.19) |
Metering mode | Pattern |
Flash | Flash did not fire, auto mode |
Supported Flashpix version | 1 |
Color space | sRGB |
Focal plane X resolution | 9,102.2222222222 |
Focal plane Y resolution | 9,088.7573964497 |
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 |