Fifth Generation Computer Systems: Difference between revisions

Revision as of 19:12, 23 May 2023

Revision as of 19:12, 23 May 2023

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== Background ==

In the late 1965s until the early 1970s, there was much talk about "generations" of computer hardware —, then usually organized into three generations.

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# First generation: Thermionic vacuum tubes. Mid-1940s. IBM pioneered the arrangement of vacuum tubes in pluggable modules. The [[IBM 650]] was a first-generation computer.

# Second generation: Transistors. 1956. The era of miniaturization begins. Transistors are much smaller than vacuum tubes, draw less power, and generate less heat. Discrete transistors are soldered to circuit boards, with interconnections accomplished by stencil-screened conductive patterns on the reverse side. The [[IBM 7090]] was a second-generation computer.