Structured Systems Analysis and Design Descriptive questions BSC-IT
1. Explain the following system design tools in detail:
System flowchart represents the key inputs and output controls at a physical/resource level associated with the program. a flowchart is the shapes and symbols diagrams represent an algorithm or process. flowchart are used to represent the complex programs and process in designing and documentation form. Following this diagrams we can visualize the process and help to under stand process or program. In the flowcharts there various types of flowcharts, and for each have their own rules, notational conventions, shapes and boxes.
Decision tables are represent the model complicated logic in the compact way. These help to view the all possible combination within the condition. it is helpful to view in the case of conditions missed. Decision tables are created using the rows & columns and separated into four different parts conditions, actions, condition alternatives and Action Entries. In order to compose a decision table we need to determine the max size of table, redundancies, inconsistencies, eliminate any impossible situation and simplify the table as much possible.
Decision Trees is a graph of decision support tool use branching method to represent the outcome of a decisions and their possible consequences. It display an algorithm in one way. these are used mostly in decision analysis and operations research, to identify a strategy to achieve a goal. Decision tree software used in data mining as well as simplify complex strategic challenges and to evaluating the cost-effectiveness of research.
Organization Charts represent the base structure of an organization and help to understand the relationship and designation & roles of employees. It helps to organize a firm resources for the direction of management controls of subordinates. An organization chart also called org chart, organigram and organogram. It represent different management functions like accounting, finance, human resources, marketing, production and R&D etc.
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1. Explain the following system design tools in detail:
· System Flowcharts
· Decision tables
· Decision trees
· Organization charts
Decision tables are represent the model complicated logic in the compact way. These help to view the all possible combination within the condition. it is helpful to view in the case of conditions missed. Decision tables are created using the rows & columns and separated into four different parts conditions, actions, condition alternatives and Action Entries. In order to compose a decision table we need to determine the max size of table, redundancies, inconsistencies, eliminate any impossible situation and simplify the table as much possible.
Decision Trees is a graph of decision support tool use branching method to represent the outcome of a decisions and their possible consequences. It display an algorithm in one way. these are used mostly in decision analysis and operations research, to identify a strategy to achieve a goal. Decision tree software used in data mining as well as simplify complex strategic challenges and to evaluating the cost-effectiveness of research.
Organization Charts represent the base structure of an organization and help to understand the relationship and designation & roles of employees. It helps to organize a firm resources for the direction of management controls of subordinates. An organization chart also called org chart, organigram and organogram. It represent different management functions like accounting, finance, human resources, marketing, production and R&D etc.
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2.
write short notes on:
·
HIPO
·
Warnier-ORR diagrams
·
Nassi-Shneidermann Charts
3.
Discuss the Roles of system analysts
4. Explain SDLC stages by taking example of EDP department
4. Explain SDLC stages by taking example of EDP department
5.
Why do we need Documentation? Bring out the
characteristics and objectives of good Documentation.
6.
Define System. Discuss the characteristics of
system
7.
What are the steps to be followed in analyzing
Existing systems?
8.
Illustrate the steps involved in analyzing the
new system requirements.
9.
Bring out the various stages of SDLC
10.
Write short notes on:
·
Data Flow Diagrams
· Data Dictionaries
· Data Dictionaries