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System Modeling Lecture 8 Quiz

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Questions and Answers

What is the main purpose of system modeling?

To write code for the system functionality

To conduct system testing

To develop abstract models of a system from different perspectives (correct)

To design the user interface of a system

Which graphical notation is almost always used for representing systems?

Data Flow Diagrams (DFD)

Unified Modeling Language (UML) (correct)

Entity-Relationship Diagrams (ERD)

BPMN (Business Process Model and Notation)

What is the purpose of a behavioral perspective in system modeling?

To model the organization of a system or the structure of the data processed by the system

To model the context or environment of the system

To model the interactions between a system and its environment

To model the dynamic behavior of the system and its response to events (correct)

How does system modeling help analysts?

To understand the functionality of the system and communicate with customers Signup and view all the answers

What does system modeling involve representing using some kind of graphical notation?

The system Signup and view all the answers

What is the method used to describe regular languages in formal language theory?

Regular expressions Signup and view all the answers

What is another name for lexical analysis?

Lexical scanner Signup and view all the answers

Who described regular languages using mathematical notation called regular sets?

Stephen Cole Kleene Signup and view all the answers

Which subfield of theoretical computer science deals with models of computation and formal languages?

Automata theory Signup and view all the answers

What is the defining characteristic of a formal language?

It can be specified precisely and is amenable for use with computers Signup and view all the answers