See the explanation below.
Educational technology uses physical software and hardware to facilitate learning and improving performance by creating appropriate technological resources. It helps students in improving their results and teacher can use this data to assess the progress of students. Example of educational technology include digital tablets, virtual reality. artificial intelligence, mobile technology, etc.
Educational software is term which is used for computer software which are developed for educational purposes and serve for teaching and self-learning purpose, it act as a tool to ease the work such as management of data, storage of data, etc. some educational software include graphic software, reference software, tutorial software, etc.