This document provides information on the meaning, objectives, and scope of educational technology. It begins by defining educational technology as the application of scientific knowledge and learning conditions to improve teaching effectiveness and efficiency. It then discusses the objectives of educational technology at both the macro (overall system) and micro (classroom) levels. The objectives include identifying needs, determining curriculum and aims, utilizing resources, and evaluating performance. Finally, the document states that the scope of educational technology extends beyond just aids and tools - it influences the entire teaching and learning process from developing theories to evaluating outcomes.