A type of message in which the caller has to wait for the receiving object to finish executing the called operation before it can resume execution itself is a(n):
A) synchronous message.
B) simple message.
C) asynchronous message.
D) half-duplex message.
E) packet.

Question

Quizplus · Accepted Answer

A synchronous message requires the caller to wait for the receiving object to finish executing the called operation before it can resume execution. This type of message is useful when the calling object needs a response or result from the receiving object before it can continue its own processing.

A Type of Message in Which the Caller Has to Wait