What is UML and what is it used for? Elaborate on the word corresponding to the “M.” Draw a simple use case diagram depicting the ways in which a library patron uses a library.   Q496: Draw a sequence...

Elaborate on the word corresponding to

the “M.”

Draw a simple use case diagram depicting

the ways in which a library patron uses a

library.

Q496: Draw a sequence diagram representing the

interaction sequence that would ensue when a

utility company sends a bill to a customer.

Draw a simple dataflow diagram depicting the

flow of data that occurs in an automated

inventory system when a sale is made.