Online learning is a term used to describe distance or correspondence courses that are offered over the Internet. 【小题1】

There are two types of online course access: open and restricted. Open access allows virtually anyone with an Internet browser to view the course material. 【小题2】 This initiative removes the barriers to advanced knowledge and allows anyone with the interest to learn. The other type of online courses are restricted access courses, which limit the class to registered students. These courses offer instructor interaction and require grades upon completion.

It is more efficient for both sides to access course materials online. 【小题3】 The recurring cost is for marking and moderating the class communications. This greatly reduced the staff time and costs. Online courses also allow students to complete coursework from a wide range of locations and remove the time restriction to access course lectures.

The material for online courses provided by educational institutions has been carefully reviewed and approved before the course is offered. Many introduction and intermediate courses do not change. 【小题4】 Due to the reduced expenses for online courses, the fees are sometimes lower than a standard instructor-led course. Additional savings like transportation make online learning the most cost-effective learning method available.

【小题5】 These tools include mobile audio and video viewers, improved online interactive tests, and tool and course management software. The continued development in this area will further enhance the quality of online courses and encourage more people to further their education.