Which of the following are examples of asynchronous communication?

1.Blog

2.Podcast

3.Electronic mail

4.Discussion forum

5.Phone calls

A2 & 5 only

B3, 4 & 5 only

C1, 3 & 4 only

D1, 2, 3 & 4 only ✓ Correct

Correct answer: (D) 1, 2, 3 & 4 only

Explanation

The examples of asynchronous communication here are blog, podcast, electronic mail and discussion forum.

Statement 1 fits because a blog is read whenever the visitor chooses, long after it was posted.

Statement 2 fits because a podcast is downloaded and heard at the listener's own convenient time.

Statement 3 fits because electronic mail waits in the inbox until the receiver opens and replies to it.

Statement 4 fits because a discussion forum lets people post and respond over stretched-out time, not at one moment.

Phone calls are synchronous, needing both parties present and talking at the same instant, so they stay out.

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