Computer ScienceChapter 10: Using Datasheets to Enter and View Data
Data Validation Feedback
Error messages should explain the allowed value so correction is possible without weakening the rule.
Learning objectives
- Define and explain data validation feedback in clear language.
- Use the important technical terms accurately.
- Describe the working process in the correct order.
- Apply the concept to a realistic computing example.
- Test or evaluate the result and state a limitation.
Definition
Error messages should explain the allowed value so correction is possible without weakening the rule.
Important terms
- Data validation feedback
- Error messages should explain the allowed value so correction is possible without weakening the rule.
- validation
- Error messages should explain the allowed value so correction is possible without weakening the rule.
- feedback
- Error messages should explain the allowed value so correction is possible without weakening the rule.
Overview
Learn the concept through terminology and working:
Terminology and Concept
Terminology: use Data validation feedback, validation, feedback precisely. Define each term before using it in an explanation, algorithm, program, or comparison.
Examples Error messages should explain the allowed value so correction is possible without weakening the rule.
Working and Application
Working method: first identify the input or starting state for data validation feedback; then apply the rule or process in a clear order; finally inspect the output, test an edge case, and explain any limitation.
Examples Example: apply data validation feedback to a small school, home, or software problem and trace the result.
CONCEPT — What it means
Error messages should explain the allowed value so correction is possible without weakening the rule.
TERMINOLOGY — Words to use
Terminology: use Data validation feedback, validation, feedback precisely. Define each term before using it in an explanation, algorithm, program, or comparison.
WORKING — How it operates
Working method: first identify the input or starting state for data validation feedback; then apply the rule or process in a clear order; finally inspect the output, test an edge case, and explain any limitation.
EXAMPLE — Apply it
Example: apply data validation feedback to a small school, home, or software problem and trace the result.
In simple words
Do not memorise the name 'Data validation feedback' without explaining what information enters, what process occurs, and what result is produced.
Key points
- Data validation feedback
- validation
- feedback
Exam preparation
Exam Focus
Quick revision
Revision Zone
Review the key facts, formulas and checks before you move on.Data Validation Feedback
Sticky Notes · Quick Revision
Concept
- Error messages should explain the allowed value so correction is possible without weakening the rule.
Terminology
- Terminology: use Data validation feedback, validation, feedback precisely. Define each term before using it in an explanation, algorithm, program, or comparison.
Working
- Working method: first identify the input or starting state for data validation feedback; then apply the rule or process in a clear order; finally inspect the output, test an edge case, and explain any limitation.
Example
- Example: apply data validation feedback to a small school, home, or software problem and trace the result.
Common Mistake
- Do not memorise the name 'Data validation feedback' without explaining what information enters, what process occurs, and what result is produced.
Exam Tip
- Define the concept, name its parts, explain the working in order, then add and trace one correct example.
60-second revision
- Error messages should explain the allowed value so correction is possible without weakening the rule.
- Working method: first identify the input or starting state for data validation feedback; then apply the rule or process in a clear order; finally inspect the output, test an edge case, and explain any limitation.
- Example: apply data validation feedback to a small school, home, or software problem and trace the result.
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