Abstract

The way a human communicate with any intelligent and computing system has a great history which dates back to the advent of a computer system. The first and the foremost type of communication was by using a machine understandable languge which was coded using binary numbers consisting of 1s and 0s. From then, there has been a lot of research and improvement in the way a human communicate with the computer and intelligent systems. This paper reviews one such research area which concentrates on the process of transreceiving the message between the human and the computer system by using just different types of expressions and different expressive features human beings exhibit during the though process which takes place with in him/her. The paper extensively reviews the process flow which may be considered as a preliminary stage of decision making by an intelligent system which sends the probable command delivered by the user to the computer system.