JANUARY,2024_GR9

Data that is of the wrong type (for example, text in a numeric field) or is outside the accepted range (for example, an exam mark percentage of 110).

• Abnormal data

• Data capture form   

• Changeover

• Evaluation

The testing design should test that the file structures function correctly (for example, data is stored in the correct format and can be correctly retrieved when required)

• Data structures

• Validation routines

• File structures

• Input formats

A printed or digital form used to collect information that is stored on a computer.

• Changeover  

• Evaluation

• Data capture form

• Extreme data

A diagram used by an analyst to understand the inputs, outputs, processing and storage requirements of a system.

• Abnormal data 

• Data flow diagram (DFD)  

• Changeover

• Evaluation

Data that is at the boundary of acceptable data.

• Changeover  

• Evaluation 

• Data capture form

• Extreme data

A place used to hold a single data item within a database.

• Data flow diagram (DFD)

• Evaluation

• Field

• Interviews

Asking people questions face-to-face as part of the fact-finding stage in systems analysis.

• Evaluation 

• Interviews  

• Extreme data

• Modular

A stage in systems analysis that involves reviewing the effectiveness of the new system and advising on any necessary changes.

• Abnormal data

• Data flow diagram (DFD)  

• Changeover

• Evaluation

A method of software development, in which the code is broken down into separate sections (modules) that can be developed, tested and checked individually.

• Modular

• Changeover  

• Abnormal data   

• Data capture form

Data that is within an acceptable range and is usual for the situation.

• Normal data

• Questionnaire   

• Observation

• Record