The technological dimensions of classroom communication are :
(A) The overhead projector
(B) Level of Observation
(C) Audio-visual aids
(D) Computer technology
(E) Time and space
Choose the correct answer from the options given below:
1
(A), (B), (C) only
2
(B), (D), (E) only
3
(A), (C), (D) only
4
(C), (D), (E) only