This text traces the general history of computer technology and focuses, in particular, on the development of digital information. It explores the applications of digital technology in storing and reproducing data, words, pictures and sound. It also looks in more detail at the impact of digital technology on our daily lives: in the workplace, at home, in communications, security and leisure. An insight is also provided into the possible future developments of virtual reality, video conferencing, 3D television, and the computerized home-management system.;This book is part of a series which studies some of the most important technologies to have emerged this century.