What is the continuum of teaching aids and technologies based on?
Select one:
O a. From less sophisticated to more sophisticated technologies
b. From more sophisticated technologies to future technologies
O b.
O c.
From Textbooks to Chalkboards
O d.
From first to second generation technologies
Select one:
O a. From less sophisticated to more sophisticated technologies
b. From more sophisticated technologies to future technologies
O b.
O c.
From Textbooks to Chalkboards
O d.
From first to second generation technologies