integrated-circuit
A technology that combines many logic gates and transistors into a single microscopic chip, enabling smaller and more powerful computers.
2 chapters across 1 book
The History of the ComputerRachel Ignotofsky
The chapter explains how classical computers operate using binary code, representing data and operations with 1s (ON) and 0s (OFF). It traces the foundational role of Boolean algebra and logic gates in digital circuit design, highlighting Claude Shannon's contribution to physically implementing logical operations with electrical switches. The chapter also discusses the evolution of computer hardware from bulky discrete components to the development of integrated circuits that allow for miniaturization and increased computational capacity.
The chapter chronicles the Cold War era's profound impact on computing, detailing how geopolitical rivalry between the US and USSR spurred government-funded research that led to foundational innovations such as programmable computers, high-level programming languages, and early computer networks like ARPANET. It further explores the transition from military to commercial computing dominance through IBM's System/360 and the invention of the integrated circuit, highlighting key technological milestones and pioneering figures like Margaret Hamilton who advanced software engineering critical to space exploration missions.