This Book is intended to help students to prepare for the topic Information communication Technologies’ included as part of general studies and engineering Aptitude for ESE revised Pattern.

ICT is the technology required for information processing in particular, the use of electronic computers, communication devices and software applications to convert, store, protect, process, transmit and retrieve information from anywhere anytime.

To understand ICT, we have to understand basics of concepts (chapter 1).

How to transfer information from one place to another (chapter 2) and it’s security.

Information can be transferred in several ways. Radio, television, cellular technology (chapter 3) and satellite communication (chapter 4)

Appropriate governance is key to the successful (and cost effective) development of technology within any organisation. (Chapter -5)

ICT in education is any technology that deals with the exchange of information or in other words communication in the teaching learning process. i.e.., Technology Based Education (chapter -6)

The concepts and question are prepared keeping in view the model paper released by the UPSC for revised pattern of ESE . Suggestions by the readers are invited for the improvement  in our future editions.