File:Core Memory Room.jpg
Original file (3,832 × 1,971 pixels, file size: 2.13 MB, MIME type: image/jpeg)
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Summary
editDescriptionCore Memory Room.jpg |
We pulled the core memories into one conference room, and they really look good together. This was the industry standard for electronic memory before DRAM and SRAM and Flash. Data was stored in the magnetization, or not, of each ring. It is a non-volatile memory, and relatively immune to radiation and soft errors, much like MRAM today. Many of the rectangular patches are 4K bits. The early ones were woven by hand, and over the years the iron ring sizes shrank and became tightly woven into an electromagnetic fabric. |
Date | |
Source | Core Memory Room |
Author | Steve Jurvetson from Menlo Park, USA |
Licensing
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This image was originally posted to Flickr by jurvetson at https://www.flickr.com/photos/44124348109@N01/8007180700. It was reviewed on 14 October 2012 by FlickreviewR and was confirmed to be licensed under the terms of the cc-by-2.0. |
14 October 2012
File history
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Date/Time | Thumbnail | Dimensions | User | Comment | |
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current | 23:12, 14 October 2012 | 3,832 × 1,971 (2.13 MB) | Jacopo Werther (talk | contribs) | {{Information |Description=We pulled the core memories into one conference room, and they really look good together. This was the industry standard for electronic memory before DRAM and SRAM and Flash. Data was stored in the magnetization, or not, of ... |
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Metadata
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Camera manufacturer | Canon |
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Camera model | Canon PowerShot S100 |
Exposure time | 1/30 sec (0.033333333333333) |
F-number | f/2 |
ISO speed rating | 125 |
Date and time of data generation | 13:13, 20 September 2012 |
Lens focal length | 5.2 mm |
JPEG file comment | AppleMark |
Orientation | Normal |
Horizontal resolution | 72 dpi |
Vertical resolution | 72 dpi |
Software used | QuickTime 7.7.1 |
File change date and time | 13:25, 20 September 2012 |
Y and C positioning | Co-sited |
Exif version | 2.2 |
Date and time of digitizing | 13:13, 20 September 2012 |
Meaning of each component |
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Image compression mode | 3 |
APEX shutter speed | 4.90625 |
APEX aperture | 2 |
APEX exposure bias | 0 |
Maximum land aperture | 2 APEX (f/2) |
Metering mode | Pattern |
Flash | Flash did not fire, compulsory flash suppression |
Supported Flashpix version | 1 |
Color space | sRGB |
Focal plane X resolution | 13,651.877133106 |
Focal plane Y resolution | 13,636.363636364 |
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 |