IT Unit 1

edwardmatthews47
Mind Map by edwardmatthews47, updated more than 1 year ago
edwardmatthews47
Created by edwardmatthews47 over 6 years ago
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A2 G063 Unit 1 mind map
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IT Unit 1
1 Stages of System Cycle
1.1 Definition of Problem
1.1.1 System analyst SCOPES problem
1.1.1.1 Through interviews with management
1.1.1.2 interviews with staff to understand current system
1.2 Design
1.2.1 Project Planning
1.2.2 System Requirements Specification
1.2.3 Data Dictionary
1.2.4 Testing Documentation
1.2.5 Prototyping
1.3 Investigation and Analysis
1.3.1 Uses Investigative Approaches
1.3.2 Requirements Specification
1.4 Implementation
1.5 Testing
1.6 Installation
1.7 Documentation
1.8 Evaluation
1.9 Maintenance
2 Investigative Approaches
2.1 Questionnaires
2.2 Interviews
2.3 Observation
2.4 Analysing Existing Documents
3 Software Development Methods
3.1 Evolutionary Prototyping
3.2 Throwaway Prototyping
3.3 Rapid Application Development (RAD)
4 Testing Systems
4.1 Extreme, Normal and Erroneous data
4.2 Follow Test Plan
5 Requirements, Design and System Specification
5.1 Requirements Specification
5.1.1 Scope of the problem
5.1.2 Timing
5.1.3 Objectives
5.1.4 Inputs
5.1.5 Outputs
5.1.6 Processing Requiremenrts
5.2 Design
5.2.1 Purpose
5.2.2 Screen Layouts
5.2.3 Data Structures
5.2.4 Inputs
5.2.5 Outputs
5.2.6 Processing
5.2.7 Validation Rules
5.2.8 Error Messages
5.2.9 Modelling Diagrams
5.2.10 Software
5.2.11 Hardware
5.2.12 Test Plan
5.3 System
5.3.1 Software applications in use
5.3.2 Storage
5.3.3 Memory
5.3.4 Input Devices
5.3.5 Output Devices
5.3.6 Processing Power
6 Roles and Responsibilities of project Team
7 Planning Tools
8 ERDs, State Transition Diagrams, DFDs and Flowcharts
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