Asynchronous communication does not require participants to be online simultaneously. Discussion forums allow learners to read and write posts when convenient, supporting reflection and flexible access. Teachers can respond later, and threads remain available for revision. Therefore, this example clearly represents asynchronous interaction supported by ICT.
Option A:
This option correctly shows time independence as the defining feature of asynchronous modes. It illustrates how ICT extends classroom dialogue beyond fixed schedules and allows participation from diverse locations and time zones.
Option B:
Live lectures require everyone to connect at the same time, which is characteristic of synchronous communication. Audio and video flow in real time, so this example is not asynchronous.
Option C:
Scheduled webinars with real-time chat are also synchronous, as the event happens at a specific time and participants interact instantly.
Option D:
Online viva voce examinations involve immediate questioning and answering, which is again synchronous.
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