This work investigates the rapid evolution of computing technology and the social impact of the microchip during the late 20th century. Christopher Riche Evans, a psychologist and computer scientist, utilizes his technical background to synthesize the history of mechanical and electronic calculation. He argues that the transition from room-sized mainframes to personal microcomputers represents a fundamental shift in human cognitive tools and societal infrastructure.

Experts recognize this text as a foundational historical account of the early computing era. Readers frequently note the accessible prose style, which balances technical detail with broad historical context for a general audience.