The document discusses the importance of computers in education. It outlines objectives to discuss the features of computers as teaching aids, and the advantages and disadvantages of using computers in teaching and learning. It also aims to define technical terms related to computer applications. The advent of computers has revolutionized teaching methods and roles. Today, basic computer literacy is required for most jobs, including teaching. The document then defines various computer hardware, software, and technical terms to help teachers understand and utilize computer applications in the classroom.