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The first 4 models were released on this date. The PS/2 Model 30 based on an 8086 processor and an old XT bus, Models 50 and 60 based on the 80286 processor and the Model 80 based on the 80386 processor. These used the 3½" floppy disks, storing 1.44 MB on each (although the Model 30 could only use the low 720KB density). These systems (except ...
Concise Microsoft O.S. Timeline – a color-coded concise timeline for various Microsoft operating systems (1981–present) Bitsavers – an effort to capture, salvage, and archive historical computer software and manuals from minicomputers and mainframes of the 1950s, 1960s, 1970s, and 1980s; A brief history of operating systems
The Micro Channel architecture (MCA) bus is introduced—Models 50 and 60 use a 16-bit version, while Model 80 uses a version that supports 32-bit data and addressing. [314] The upgrade from DOS 3.2 to 3.3 was completely written by IBM, with no development effort on the part of Microsoft, who were working on "Advanced DOS 1.0".
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Template: Opel timeline 1980 to present. 11 languages. ... Download QR code; Print/export Download as PDF; Printable version; In other projects Wikidata item; Appearance.
Template: Chevrolet cars timeline 1980 to date. 3 languages. ... Download QR code; Print/export Download as PDF; Printable version; In other projects Wikidata item;
Another change that began during the 1980s involved overall design philosophy with the emergence of the reduced instruction set computer, or RISC. Although the concept was first developed by IBM in the 1970s, the company did not introduce powerful systems based on it, largely for fear of cannibalizing their sales of larger mainframe systems.
The technology life cycle (TLC) describes the commercial gain of a product through the expense of research and development phase, and the financial return during its "vital life". Some technologies, such as steel, paper or cement manufacturing, have a long lifespan (with minor variations in technology incorporated with time) while in other ...