Answer:
Advantages -
1. We can see all images, sounds and videos at one place.
2. Provide knowledge and experience to students about computer programs and internet sites.
3. Gives the opportunity to students to view information or materials closely using projector.
4. Helps student to manage the cognitive load, which increases retention.
5. Enhance understanding of how a concept works.
6. Learning becomes easier and interesting as simulations allows students to visualize real-life situations.
7. It motivates students as they able to see the relevance of skills.
Disadvantages -
1.The lessons via video or image require computers, projectors and other electronic devices depending upon the subject and the amount of original material a teacher creates.
2.The expense of projectors or computers for every student can be quite high.
3. Due to the amount of images and videos in a lesson , the delivery and pace of the class becomes slow.
4. Cause problems to students to access computers at home
5. The role of the teacher shifts from instructor to facilitator.
6. Management of classroom becomes difficult.
7. Students who are not as proficient with technology may have to spend more time learning computer skills to access information than focusing on course materials.