This document discusses educational technology and its roles in learning. It covers topics such as what educational technology is, how technology can be used as a tool or partner in the learning process, and examples of its roles in supporting knowledge construction, acting as an information vehicle, providing social learning opportunities, and serving as an intellectual partner. The document also discusses models of learning like meaningful learning, discovery learning, and constructivism. It provides examples of how educational technology was discussed and applied in an Ed Tech 2 course to enhance computer skills and integrate technology into the teaching and learning process.