When an information is managed, processed and communicated using a computer, then that activity is called computing. Hardware and software development both are included in computing. Computing is important, fundamental component of modern industrial technology. Important computing topic include software engineering, computer engineering, computer science, information system and information technology. Computing includes building and designing of software and hardware systems; doing scientific studies using computers; making computer systems behave intelligently; creating and using communications and entertainment media; finding and collecting information related to any particular reason, and so on. The index is virtually endless, and the possibilities are broad.