Computer : Electronic system that can be instructed to accept,process,store and information.
Communication Network : It is an interconnection of different location through a medium that enable people to send and receive information easily and quickly.Communication network allows people to interact.
Peoples : People are required for the operation of all information technology system.These people include programer and all other persons who know the use information Technology.
Software : All the programs which are used for solving problem and to communicate with computer.For example operating system , spreadsheet , word processing , telecommunication , management program etc.
Data is raw material of Information Technology : Data can take many forms including numeric , alphanumeric , alphabetical , audio , and video etc