data is input in a computer. A computer processes this data under the control of a program. A computer receives this data or information for late use on disk. A computer..........the saved data or information whenever needed. If equipped with a ....................and if it is ......... to a telephone line,the computer may ...........information to other computers through telecommunication systems. If equipped with a modem and if it is connected to a telephone line, the computer may retrieves information from other computers through telecommunication system.