The book is spread in seven units.
The first unit is dedicated to the basics of the computer system. It covers description of block diagram, functions and working of various components. The latest available types and varieties of different peripherals and CPUs are also elaborated.
The second unit describes two major operating systems, Windows and UNIX.
The third unit is about networking. The basic ideas of networking IPv4 and latest IPv6 have been described.
The fourth unit is about application packages.
The fifth unit covers logic development and programming skills. The language covered starts from basic concepts to developing large programs while putting emphasis on the fundamental concepts.
The sixth unit covers the Hypertext Markup Language programming for publishing and creating web pages.
The seventh unit deals with database management.