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On 5 January 1975, the 12-bit field that had been used for dates in the TOPS-10 operating system for DEC PDP-10 computers overflowed, in a bug known as "DATE75". The field value was calculated by taking the number of years since 1964, multiplying by 12, adding the number of months since January, multiplying by 31, and adding the number of days since the start of the month; putting 2 12 − 1 ...
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iPadOS 14.1 NetBSD 9.1 OpenBSD 6.8 FreeBSD 12.2 Linux 5.9 Fedora Linux 33 Ubuntu 20.10: 2020–11 macOS Big Sur (v11.0) iOS 14.2 iPadOS 14.2 watchOS 7.1 tvOS14.2 2020–12 macOS Big Sur (v11.1) iOS 12.5 iOS 14.3 iPadOS 14.3 watchOS 6.3 watchOS 7.2 tvOS14.3 Linux 5.10 2021–01 iOS 14.4 iPadOS 14.4 watchOS 7.3 tvOS14.4 2021–02 macOS Big Sur ...
The Computer History in time and space, Graphing Project, an attempt to build a graphical image of computer history, in particular operating systems. The Computer Revolution/Timeline at Wikibooks "File:Timeline.pdf - Engineering and Technology History Wiki" (PDF). ethw.org. 2012. Archived (PDF) from the original on 2017-10-31
Year Country of site Site Vendor / builder Computer Performance R; 1938 Germany: Personal research and development Berlin, Germany Konrad Zuse: Z1: 1.00 IPS [1] 1940 Z2: 1.25 IPS [2] 1941 Z3: 20.00 IPS [3] 1944 United Kingdom: Bletchley Park: Tommy Flowers and his team, Post Office Research Station: Colossus: 5.00 kIPS [4] 1945 United States ...
There were 32 destination gates and 32 source gates; the 10 address bits identified a data word within the store if either the source or destination required access to the store. The total number of source and destination combinations, or different instruction functions, was 1024, although only about 256 of these were used often. [ 20 ]
On more subjective tasks, the poll gave 6 years for folding laundry as well as an average human worker, 7–10 years for expertly answering 'easily Googleable' questions, 8 years for average speech transcription, 9 years for average telephone banking, and 11 years for expert songwriting, but over 30 years for writing a New York Times bestseller ...
A 5¼" disk drive was available, along with a cassette storage system which used standard audio cassette tapes. Also available were a number of games, a color plotter which printed on 6 in (152 mm) wide paper tape, and a graphics tablet (the KoalaPad). A TV screen served as the monitor. The VIC-20 became the first computer to sell 1 million ...