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+4 votes

The above figure represents which one of the following UML diagram for a single send session of an online chat system?

  1. Package diagram
  2. Activity diagram
  3. Class diagram
  4. Sequence diagram
in IS&Software Engineering by Veteran (105k points)
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2 Answers

+6 votes
Best answer

Answer is B

This is Activity diagram

by Active (3.9k points)
selected by
@Veteran family can you please check
@ thanks to both of you kapil and naga .I made the correction
+5 votes

Activity diagram

by Veteran (50.9k points)

Activity Diagram 

why do you think it is an activity diagram ?

see the difference

activity diagram===>

sequence diagram===>

It is not a sequence diagram.....
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