Unit 2

Question 1

Data Structure Fields

Answer 1

• Fieldname
• Keyfield
• Data Type
• Field Length
• Validation

Question 2

Justifying Methods

Answer 2

• Using a GUI, accessible for less experienced users.
• Text files, store details, easy to read.
• Random access allows for quick access to specific records, Serialisation will allow for system to be saved in current state and reloaded in that way, python module pickle.
• Validation checks, range/format/length checks, to ensure details are written correctly and reasonable.
• Local/Global variables, data can be accessed across the program. (Local for temp, Global for those accessed across program).
• Handle various data types, manage info accurately.