Structured Analysis Tools: Master Quiz and Flashcards

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Questions and Answers

What is the primary function of a Decision Tree in system development?

To store and manage information about the system

To create a hierarchical structure of the decision-making process

To provide a visual representation of data flow

To display all the possible outcomes of any decision (correct)

How does a Decision Tree simplify the knowledge acquisition process?

By offering a more natural alternative to frames and rule knowledge representation techniques (correct)

By creating a hierarchical structure of the decision-making process

By providing a visual representation of data flow

By using a branching method to display outcomes

What do links represent in a Decision Tree?

Outcomes of decisions (correct)

Conditions

Actions to be taken

Goals

How does a Decision Tree help the analyst?

By identifying the accurate decision that must be made Signup and view all the answers

What is the purpose of using a Data Dictionary during Structured Analysis?

To store and manage information about the system Signup and view all the answers

Which technique is used to display conditions and their alternative actions within a horizontal tree framework?

Decision Trees Signup and view all the answers

What is an advantage of decision tables?

Easy verification and validation of inconsistencies and contradictions Signup and view all the answers

What is a function of the upper left quadrant in a decision table?

Contains condition entries Signup and view all the answers

Which statement is true about the rules extracted from a decision table?

Rules are optimized by putting AND between conditions Signup and view all the answers

What is the major optimization of rule R1= If (working-day = Y) ^ (holiday = N) ^ (Rainy-day = Y) Then, Go to office?

If (working-day = Y) then Go to office Signup and view all the answers

Which rule is an optimized version of R3= If (working-day = N) ^ (holiday = Y) ^ (Rainy-day = N) Then, Go to picnic?

If (holiday = Y) ^ (Rainy-day = N) Then go to the picnic Signup and view all the answers

What is the resultant tree of Table 1 based on the given text?

(Day = Working) ^ (Outlook = Rainy) Then Go To Office Signup and view all the answers

What is the optimization for rules R1 and R2 based on the given text?

(Day = Working) Then Go To Office Signup and view all the answers

"In R1 and R2, there is no need to check the condition Outlook = Rainy and Outlook = Sunny if day = working because if the day is working, whether it is a sunny or rainy day, the decision is to Go to the office." What does this statement imply?

"Outlook = Rainy" and "Outlook = Sunny" are not relevant conditions for day = working Signup and view all the answers

"The following rules are constructed from the decision tree as shown below." What does this statement imply?

The rules extracted from the decision tree are directly presented in "Table 1" Signup and view all the answers

What is the primary focus of Software Engineering Tutorial?

Basic and advanced concepts of software engineering Signup and view all the answers

What does the term 'software' refer to in the context of software engineering?

Collection of integrated programs and carefully-organized instructions Signup and view all the answers

What is the definition of engineering as applied to software engineering?

Application of scientific and practical knowledge to invent and design Signup and view all the answers

What does a software development tool such as CASE Tool provide?

Software design levels Signup and view all the answers

What is the relationship between software and engineering in software engineering?

Software is a product of two words, software, and engineering Signup and view all the answers

What is the purpose of Software Engineering Tutorial?

To deliver basic and advanced concepts of software engineering Signup and view all the answers

Why is Software Engineering required?

To ensure the evolution of software products using scientific principles Signup and view all the answers

What are the characteristics of a good software engineer?

Absence of domain knowledge Signup and view all the answers

What is a major importance of Software Engineering?

To ensure effective and reliable software products Signup and view all the answers

What is a prerequisite for learning Software Engineering?

No prerequisite required Signup and view all the answers

Study Notes

Decision Trees and Tables

Primary function of a Decision Tree: to simplify the knowledge acquisition process by breaking down complex decisions into smaller, more manageable parts
Decision Trees simplify knowledge acquisition by providing a clear and structured representation of decisions and their possible outcomes
Links in a Decision Tree represent the relationships between different decisions and their outcomes
Decision Trees help analysts by providing a visual representation of complex decisions, making it easier to identify and analyze different scenarios

Decision Tables

Advantage of decision tables: they allow for a compact and organized representation of complex decisions and their possible outcomes
Function of the upper left quadrant in a decision table: to specify the conditions or inputs for a particular decision
Rules extracted from a decision table: they are concise and easy to understand, making it simpler to analyze and implement decisions

Optimization of Decision Rules

Optimization of rule R1: If (working-day = Y) ^ (holiday = N) ^ (Rainy-day = Y) Then, Go to office; eliminates the need to check the condition Outlook = Rainy and Outlook = Sunny if day = working
Optimized version of rule R3: If (working-day = N) ^ (holiday = Y) ^ (Rainy-day = N) Then, Go to picnic; eliminates unnecessary conditions and simplifies the decision-making process

Software Engineering

Primary focus of Software Engineering Tutorial: to provide a comprehensive introduction to the principles and practices of software engineering
Definition of software: refers to the set of instructions or programs that tell a computer what to do
Definition of engineering as applied to software engineering: the application of a systematic and disciplined approach to the development, operation, and maintenance of software systems
Software development tool such as CASE Tool: provides a set of automated tools and techniques to support the software development process
Relationship between software and engineering: software engineering is the application of engineering principles and techniques to the development and maintenance of software systems
Purpose of Software Engineering Tutorial: to provide a comprehensive introduction to the principles and practices of software engineering
Importance of Software Engineering: ensures that software systems are developed and maintained in a reliable, efficient, and cost-effective manner
Prerequisites for learning Software Engineering: a basic understanding of computer programming and software development concepts

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Description

Explore the various techniques and tools used during Structured Analysis for system development, including Data Dictionary, Data Flow Diagrams, Decision Tables, Structured English, Decision Trees, and Pseudocode. Understand how Decision Trees aid in processing logic involved in decision-making.