7. Information System
Management Information System (MIS)
Decision Support System (DSS)
Executive Information System(MIS)
Transaction Processing System(TPS)
Negotiation Support System(NSS)
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8. System Analyst
A System Analyst May
Roles of System Analyst
Business Knowledge
Interpersonal Skills
Problem Solving Skills
August 2, 2017 8
9. Following Are The Roles Of System Analyst
• Defining Requirements
• Prioritizing Requirements
• Gathering Facts, Data And Opinions Of Users
• Evaluation And Analysis
• Solving Problems
• Drawing Specifications
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10. System Development Life Cycle (SDCL)
System Study
Feasibility Study
System Analysis
System Design
Coding
Testing
Implementation
MaintenanceAugust 2, 2017 10
14. The Tools And Techniques Used For Designing Are
Flowchart
Data Flow Diagram (DFD)
Data Dictionary
Structured English
Decision Table
Decision TreeAugust 2, 2017 14
24. Types of SDLC Models
Waterfall Model
Iterative Model
Spiral Model
V-Model
Big-Bang Model
Prototype Model
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25. The Sequential Phases in Modal
Requirement Gathering And Analysis
System Design
Implementation
Integration And Testing
Deployment Of System
Maintenance
August 2, 2017 25
26. This is Modal
Identification
Design
Construct or Build
Evaluation and Risk Analysis
August 2, 2017 26
27. This is
Requirement Analysis
System Design:
Architectural Design:
Module Design:
August 2, 2017 27
28. Tis is
Acceptance Testing
System Testing
Integration Testing
Unit Testing
August 2, 2017 28
31. Quality Assurance Quality Control
• It ensures software quality. It Review the quality
• t is involved in the project from the
beginning.
It indulges into project after
accomplishment.
• It gives confidence of certainty.
It guides a process in which
variation and fluctuations are
handled.
• Attempts to improve and stabilize
production.
It uncovers defects in project.August 2, 2017 31