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Software Engineering Lecture 4: Coding Process

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Software Engineering Lecture 4: Coding Process

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Questions and Answers

What is the purpose of data-flow diagrams in system design?

To write detailed code for system implementation

To visualize how information flows through a system (correct)

To generate reports about system users

To input data into the system

Which phase of the design process involves using pseudo-code notations?

Preliminary design

Detailed design (correct)

Implementation phase

Testing phase

What is the main advantage of using pseudo-code in system design?

It automates the coding process

It eliminates the need for data-flow diagrams

It generates reports for system entities

It allows concise description using English-like phrases (correct)

Which tool typically supports the creation of data-flow diagrams?

CASE tools Signup and view all the answers

What does the report generator do in terms of data-flow diagrams?

Produces a report describing named entities in the diagram Signup and view all the answers

How do data-flow diagrams represent end-to-end processing?

They visualize processing from data entry to exit points Signup and view all the answers

What function do If-Then-Else and While-Do serve in pseudo-code notations?

Structure the pseudo-code for decision making and looping Signup and view all the answers

In data-flow diagram creation, what is excluded to increase understandability?

Control information Signup and view all the answers

Why are data-flow diagrams considered intuitive for system description?

They show end-to-end processing clearly. Signup and view all the answers

What is the role of a user in generating reports from a data-flow diagram?

Inputting design names into the system. Signup and view all the answers