EFFICIENCY IS A CRITERION FOR PERFORMANCE ASSESSMENT IN VARIOUS SOCIAL-ECONOMIC SECTIONS AND IT IS EXPRESSED RESOURCE EFFICIENCY RATIO. THIS RATIO IS ONE THE MOST IMPORTANT INDEXES WHICH SHOWS THE EFFECTIVENESS OF ACTIVITIES. IN THE WORLD OF INFORMATION TECHNOLOGY, WHAT HELPS COUNTRIES (ESPECIALLY DEVELOPING COUNTRIES) TO ACHIEVE productivity IS USING OPPORTUNITIES IN COMPETITION WITH OTHER COUNTRIES. ONE OF THESE OPPORTUNITIES IS OPTIMAL USE OF ICT TO ACHIEVE THE NOBLE OBJECTIVES IN THE SOCIETY. productivity AND KNOWLEDGE-BASED STRATEGIES, THE PHILOSOPHY OF CUSTOMER MANAGEMENT, AND EFFICIENT USE OF ICT IS VERY IMPORTANT TO HAVE A PRODUCTIVE SERVICE SECTOR.