Includes topics: • introduction to hardware concepts • what is a computer, Data VS. Information • Functioning of a computer and it's functional components •input system • Central processing unit • the memory •output unit • hardware and software •operating system • language Processors • Applications of software • strengths and weaknesses of computers• types of computers •Digital computers • purpose wise digital computers • general wise digital computers • embedded computers • mini computer • main frame computers • Super computers • micro computers • analog computers • hybrid computers.