Synchronous online classes require students and instructors to be online at the same time. All students must connect online at a specific time in order to take part in the lecture and discussions. With synchronous classes, the student can get immediate feedback to questions and participate in discussions in real-time. Many colleges offer synchronous classes where the instructor can be at the university and the can be at a satellite campus. Some of the commonly used Synchronous tools are telephone, Skype conversation, instant messaging, virtual classrooms, and video conferencing.
Asynchronous classes are where an instructor lectures, gives tests and homework and supplies materials. The student can gain accessed to the material at any time they want. Students are usually given time frame in which to access the material and finish any required work. The students are on their own as to when to access the material. This can be appealing to students that have other obligations where they can’t maintain a set schedule of classes or need more time to think about their responses to questions. Some of the commonly used Asynchronous tools are email, mailing lists, online discussion boards, wikis, blogs, and SMS texting.