Which is an example of synchronous communication? e-mail voicemail text message telephone conversation

The answer is telephone conversation

Telephone conversation is an example of synchronous communication.

Explanation:  Synchronous communication is a method of transferring data in the form of signals in which the upstream and downstream data flows at the same rate. The upstream data is the data sent while the downstream are the received data. Synchronous connection speed is achieved by transferring data in large blocks instead of individual characters.

answer; receiver;

only #2 represents an object at rest on a table.

in #1, there is no normal force due to the table; the object is accelerating downward.

in #3, the vertical forces are not balanced; the object is accelerating downward.

in #4, neither the vertical nor the horizontal forces are balanced. the object is accelerating upwards and to the right.