Which of the following sequences correctly reflects the development of…

Concept

Teaching support systems are grouped by the communication medium they rely on, and historically they evolved in step with media technology: each stage could appear only after the technology behind it existed. The accepted developmental order moves from the spoken word, to static images, to combined sound-and-image, and finally to digital, networked tools.

Application

Placing the four media stages in the order they actually appeared in Indian higher education:

1. Aural-oral: the oldest support system - teaching through speech and listening (lecture, recitation, oral instruction), needing no special apparatus.

2. Visual: the next stage adds things to look at - blackboard, charts, maps, models and printed pictures.

3. Audio-visual: sound and image are combined - film, radio-with-slides, television and projectors.

4. ICT based: the most recent stage - computers, the internet, multimedia and e-learning platforms.

This gives the sequence Aural-oral → Visual → Audio-visual → ICT based.

Cross-check / Contrast

• Aural-oral, Visual, Audio-visual and ICT based - matches the chronology end to end, so it is the correct sequence.

• Audio-visual, Aural-oral, Visual and ICT based - puts the combined sound-and-image stage before plain speech, reversing the earliest steps.

• ICT based, Audio-visual, Aural-oral and Visual - begins with the most modern, digital stage, the exact opposite of the historical order.

• Visual, Aural-oral, ICT based and Audio-visual - starts with images before speech and scatters the digital stage into the middle, breaking the progression.

Only one ordering respects 'oldest medium first, newest medium last', confirming the result.