UNIT 2
21) What are the Classifications of System Engineering?
Classifications of System Engineering :
• Business Process Engineering[BPE]
• Product Engineering
22) List out the Elements in Computer-Based System?
Elements in Computer-Based System :
• Software
• Hardware
• People
• Database
• Documentation
• Procedures
23) What are the Factors to be considered in the System
Model Construction?
• Assumption
• Simplification
• Limitation
• Constraints
• Preferences
24) What does a System Engineering Model accomplish?
• Define Processes that serve needs of view
• Represent behavior of process and assumption
• Explicitly define Exogenous and Endogenous Input
• Represent all Linkages that enable engineer to better
understand view
25) What Architectures are defined and developed as part of
BPE?
• Data Architecture
• Applications Architecture
• Technology Architecture
26) What is meant by Cardinality and Modality ?
Cardinality :-
• The number of occurrence of one object related to the
number of occurrence of another object
• One to One [1 :1]
• One to Many [1 : N]
• Many to Many [M : N]
Modality :-
• Whether or not a particular Data Object must participate
in the relationship
27) What are the Objectives of Requirement Analysis ?
Objectives of Requirement Analysis :
• Describe what customer requires
• Establish a basis for creation of software design
• Define a set of requirements that can be validated once
the software design is built
28) What are the two additional feature of Hayley Pirbhai
Model?
• User Interface Processing
• Maintenance and Self test Processing
29) Define System Context Diagram[SCD]?
System Context Diagram[SCD] :
• Establish information boundary between System being
implemented and Environment which system operate
• Defines all external producers, external consumers and
entities that communicate through User Interface
30) Define System Flow Diagram[SFD]?
System Flow Diagram[SFD] :
• Indicates Information flow across SCD region
• Used to guide system engineer in developing system
31) What are the Requirements Engineering Process
Functions?
• Inception
• Elicitation
• Elaboration
• Negotiation
• Specification
• Validation
• Management
32) What are the Difficulties in Elicitation?
Difficulties in Elicitation :
• Problem Of Scope
• Problem Of Understanding
• Problem Of Volatility
33) List out the Types of Traceability Table?
Types of Traceability Table :
• Features Traceability Table
• Source Traceability Table
• Dependency Traceability Table
• Subsystem Traceability Table
• Interface Traceability Table
34) Define Quality Function Deployment[QFD]?
Quality Function Deployment[QFD] :
• Technique translates needs of customer into technical
requirements
• “Concentrates on maximizing customer satisfaction from
the software engineering process”
35) What are the Benefits of Analysis Pattern?
Benefits of Analysis Pattern :
• Seedup development of Analysis model
• Transformation of Analysis into Design model
36) What is System Modeling?
System Modeling :-
• Important Element in System Engineering Process
• Define Process in each view to be constructed
• Represent Behavior of the Process
• Explicitly define exogenous and endogenous inputs
37) Define CRC Modeling ?
CRC Modeling :-
• Class Responsibility Collaborator Modeling
• Collection of Standard Index Card .Divided into 3
sections
1. Name of class at Top
2. List of class Responsibilities at Left
3. Collaborators at Right
• Classes that Cover the Information to complete its
responsibilities
38) List out the Factors of Data Modeling?
Factors of Data Modeling :
• Data Objects
• Data Attributes
• Relationship
• Cardinality and Modality
39) Define Swim Lane Diagram?
Swim Lane Diagram :
• Variation of activity diagram
• Allows Modular to represent floe of activities
• Actor responsible for activity
40) What are the Selection Characteristic for Classes?
Selection Characteristic for Classes :
• Retained Information
• Needed Services
• Multiple Attribute
• Common Attribute
• Common operations
• Essential Requirements
41) Define Steps in Behavioral Model.
Steps in Behavioral Model :
• Evaluate all Use Cases
• Identify Events
• Create Sequence for each use Cases
• Build a State Diagram
• Review Model for Accuracy and Consistency
