Quiz

Quiz: Preconditions and Postconditions in a Solution

OCR H446 Computer Science Specification

11 Steps9 Questions

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Building on what you've learned about computational thinking, let's test your knowledge of preconditions and postconditions in solutions!

Multiple ChoiceInteractive

What is a precondition in computational terms?

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Multi-SelectInteractive

Which of the following are examples of preconditions? (Select all that apply)

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Fill in the BlankInteractive

A {{blank0}} is a requirement that must be true after an algorithm finishes execution.

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MatchingInteractive

Match the items on the left with their correct pairs on the right

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Math EquationInteractive

If a program requires input x > 0 as a precondition, what is the output if x = 5 and the algorithm adds 3?

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Code CompletionInteractive

Match the items on the left with their correct pairs on the right

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typedAnswer

Match the items on the left with their correct pairs on the right

Multiple ChoiceInteractive

What happens if a postcondition is not met after execution?

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Multi-SelectInteractive

Which statements about postconditions are true? (Select all that apply)

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Fill in the BlankInteractive

In computational thinking, preconditions and postconditions help ensure {{blank0}} and {{blank1}}.

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