A computer has the facilities to store information as well as retrieve it. The stored information is in a particular computer language so that the computer understands and reacts. When the necessary procedures to process the information are given to it interacts and manipulates the information and the answer is typed and manipulates the information and the answer is typed on a teletypewriter. The difference parts of the computer that are processing unit. Control unit and output equipment. The input equipment translates the information given to the computer. The processing unit and output equipment the input equipment translates the information in terms of several operations such as adding subtraction multiplying ect and also selects particular information that is needed which in turn is translated back to an understandable from by the learner.