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Northern IrelandSoftware Systems DevelopmentQuick questions
AS 1 Introduction to Object Oriented Development
Quick questions on Validation and testing: test data, test plans and error types - CCEA A-Level Software Systems Development
5short Q&A pairs drawn directly from our worked dot-point answer. For full context and worked exam questions, read the parent dot-point page.
What is validation?Show answer
Common validation checks include:
What is only testing normal data?Show answer
A program that works on typical values can still fail at the limits or on bad input. You must include boundary and erroneous data, especially the values just inside and just outside the limits.
What is q1?Show answer
State the difference between validation and verification. [2 marks]
What is q2?Show answer
A field accepts a percentage from 0 to 100. Give one boundary test value and one erroneous test value. [2 marks]
What is q3?Show answer
Name the type of error that causes a program to compile and run but produce the wrong output. [1 mark]
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