Virus programs have become a significant problem in the computer industry. The effects of these programs have been publicized widely. Anyone working with microcomputers cannot have escaped exposure to the term. Yet, there are a large number of people (teachers in particular) who have only vague notions of what viruses are. This paper provides a…

This paper discusses the factors involved in making decisions about a multimedia display system. Theoretical factors, including gaining and holding learner attention, specific attention-getting devices, encoding and retrieval of information by learners, and presentation of information are considered. Ways that video is associated with computer…