10. Operation procedures
• Broadcast procedure – student have no option
of deciding the program
• Library Operation – student to select any one
of the tapes from the central place
• Dial access- student can select any programme
by a telephone type dial called touch one
• The combination
11.
12.
13. • Cannot be used to develop the skill of
reading and writing
• Limited to 20 students
• Difficulty to obtain the service of competent
native speakers
• Costly
• Only experts can handle it