This text investigates the fundamental principles of computing and the basic operational mechanics required for digital literacy. The author, P. J. Barker, provides a structured overview of computer architecture, software applications, and the logical processes that govern modern information technology. The book serves as an introductory framework for students to understand how hardware and software interact within a standard computing environment.

This text is frequently utilized in introductory academic settings to provide a baseline for computer literacy. Educators highlight the clarity of the technical definitions provided for novice users.