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By 1960, magnetic core was the dominant memory technology, although there were still some new machines using drums and delay lines during the 1960s. Magnetic thin film and rod memory were used on some second-generation machines, but advances in core technology meant they remained niche players until semiconductor memory displaced both core and ...
The kākāpō, a bird species of New Zealand, was termed a threatened species. The Department of Conservation started an endangered species recovery plan for the kākāpō in 1989. The K-T extinction event , when dinosaurs became extinct, was shown to be linked to excess iridium in the boundary layer, which implied that the cause was a massive ...
The Z80 was the processor for home computers like the Tandy TRS-80 of 1977, the Sinclair ZX Spectrum of 1982 and many others. 1976: US MOS Technology introduces the KIM-1 microcomputer system as a demonstrator for its 6502 CPU. 1976: US Cray-1 supercomputer was invented by Seymour Cray. He left Control Data in 1972 to form his own company.
The 1980s (pronounced "nineteen-eighties", shortened to "the '80s" or "the Eighties") was the decade that began on January 1, 1980, and ended on December 31, 1989.. The decade saw a dominance of conservatism and free market economics, and a socioeconomic change due to advances in technology and a worldwide move away from planned economies and towards laissez-faire capitalism compared to the 1970s.
During the Information Revolution all these activities are experiencing continuous growth, while other information-oriented activities are emerging. Information is the central theme of several new sciences, which emerged in the 1940s, including Shannon's (1949) Information Theory [79] and Wiener's (1948) Cybernetics. Wiener stated: "information ...
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 ...
The 1960s (pronounced "nineteen-sixties", shortened to the "' 60s" or the "Sixties") was a decade that began on January 1, 1960, and ended on December 31, 1969. [1]While the achievements of humans being launched into space, orbiting Earth, perform spacewalk and walking on the Moon extended exploration, the Sixties are known as the "countercultural decade" in the United States and other Western ...
1969 in technology (4 C, 1 P) B. 1960s in biotechnology (2 C) C. 1960s in computing (13 C, 2 P) E. Engines introduced in the 1960s (4 C) I. 1960s in Internet culture ...