System Analysis and Design

me3zer
Mind Map by me3zer, updated more than 1 year ago
me3zer
Created by me3zer almost 5 years ago
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ICT homework on designing a system.
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System Analysis and Design
1 What is Design?
1.1 Planning and listing the requirements for a system
1.2 Reduce problems and faults
1.3 Data entry screens
1.4 User-interface layouts
1.5 Printed outputs and reports
1.6 Screen-based outputs
1.7 Structures to store data
1.8 Data validation methods
1.9 Data verification methods
2 Designing System Validation
2.1 Programming a list of system checks that make sure that the data entered by the user is sensible and usable.
2.2 Checks
2.2.1 Presence check
2.2.2 Length check
2.2.3 Range check
2.2.4 Limit check
2.2.5 Format check
2.2.6 Data type check
2.2.7 Consistency check
3 Designing System Verification
3.1 Making sure that the data being entered into the system exactly matches the source of the data
3.2 Checks
3.2.1 Double entry check
3.2.2 Visual check
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