From the list of statements given below which of them indicate the meaning, purpose and scope of Educational Technology. Give your answer by selecting from the code.

(a)    ET optimises learning outcomes.
(b)    ET reduces the cost of education.
(c)    ET is user friendly.
(d)    ET ensures effectiveness of learning outcomes.
(e)    ET has a tremendous role in rendering teaching-learning system effort effective.
(f)    ET is the outcomes of communication’s network.
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