Preconditions for Devising Problem Solutions (OCR A-Level Computer Science): Quizzes
📚Quizzes
Practise the questions
10 questions from this quiz
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Practise the questions
10 questions from this quiz
What are preconditions in programming?
What are preconditions in programming?
Conditions that must be met before execution
Which is NOT a type of precondition?
Which is NOT a type of precondition?
Output requirements
How do preconditions ensure valid input?
How do preconditions ensure valid input?
By checking inputs meet required conditions
What benefit comes from defining problem scope with preconditions?
What benefit comes from defining problem scope with preconditions?
Clarifies what program should handle
What is the first step in determining preconditions?
What is the first step in determining preconditions?
Analyse the problem description
For password validation, what is the minimum character length requirement?
For password validation, what is the minimum character length requirement?
8 characters
What must a sorting algorithm's input list NOT contain?
What must a sorting algorithm's input list NOT contain?
None or invalid data types
How do preconditions improve efficiency?
How do preconditions improve efficiency?
Allow optimised solutions for conditions
What common mistake causes runtime errors?
What common mistake causes runtime errors?
Assuming valid input without validation
How do preconditions influence algorithm choice?
How do preconditions influence algorithm choice?
Determine most appropriate algorithm