The role of a tutorial is to teach the subject and complete a task. Irrespective of specific tutor and a book, online tutorials are designed to learn the subject in a virtual environment.
There are certain disadvantages of online tutorials.
Online courses take more time for learning when compared to on campus learning.
To raise any doubts and queries online and communicate with the tutor you must do it by typing on a keyboard, then post it and wait for getting responses- a time consuming process.
Online courses require time management skills. To provide an efficient training through online you should be focused on the course and do not let other activities to interfere.
Online tutorials require internet connectivity and guidelines to follow the operation of the computer.
Online tutoring creates a state of being isolated. It may be tedious learning alone with a computer when compared live teaching face to face. Nobody commands you to pay attention for staying on the task, you are responsible for your own learning.